Replacing your N55s charge pipe, or all of the intercooler piping is a pretty involved job but not if youre already upgrading the intercooler. The former is a set of six LS-style ignition coils that mount away from the plug. Random failures can and do happen, but its not common even at high power. Make sure this fits by entering your model number. Thanks, that brings me to some further questions.. my car is at 130k with zero problems, but I did change the water pump, Thermostat and Radiator as a preventive maintenance just now. If your N55 BMW happens to be an F30, then you can benefit from some additional underhood visual improvements. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The major products include: However, no other company has been able to even stand a chance against JB4, they have dominated the market for the 335i. Please check the model /year /part no. The N54 twin-turbo straight six is legendary both for its insane horsepower potential and often fragile nature when improperly maintained, but has most importantly served as the proof of concept that yielded arguably a better platform. Its basic stuff thats a good idea regardless of your N55s power. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. BMW S55/N55 55Parts Insane Performance Crank Hub Komplettset. The most straightforward workaround is an aftermarket downpipe with a high-flow catalytic converter. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. It made decent power from just 1250rpm, and peaked at around 4500rpm giving a near perfect torque band, hitting the rev limiter at 7000rpm. Stroke: 89.6 mm / 3.53 inch. Performance Chips From their early introduction of turbocharged road cars to current LMP cars, BMW has proven their forced induction engine variants in the hands of commuters and top-performing racing drivers. Prevent your sepentine belt from being sucked into your engine! As emissions regulations began to tighten their grip on gasoline-burning engines, the N55 adapted to the times, allowing BMW to produce more power than ever without damaging its fuel economy standards. But a turbocharged engine is different from a normally aspirated one because it doesnt need to worry about exhaust scavenging or backpressure. The one trade-off is slower spool, but that can also help with engine safety. The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. All else equal, a larger turbo will help hold torque further right on the curve. When this happens the crank hub . A Little More About the N55 Engine. Displacement: 2979 cm 3 / 181.8 inch 3. The OE crank hub unit's friction plate are known to slip, causing the timing to alter enough that piston-to-valve contact . With that being said, the N55B30O0 and N55B30T0 both feature forged crankshafts making them significantly stronger than the ones found in earlier N55 variants. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. . Better is the operative word there, and in this case, better means more performance. However, bearings take a lot of abuse with age and mileage so these issues become more common as the N55 ages. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Good info. Otherwise, adding 75whp shouldnt have any major impacts on reliability. Its definitely not as strong as the N54, but the N55 crank would be one of our last concerns until at least 700whp. It may not display this or other websites correctly. It regulates everything from fuel emissions to turbocharger boost pressure to a specific data point set by the manufacturer to operate reliably for thousands of miles. Extending exhaust or intake durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. You can purchase the RK Autowerks Billet Crank Hub in our store! You can leave a response below or join our forum to discuss this article and car modification in detail with our members. At this point in time, there is plenty of evidence to support those figures, with some high-horsepower N55s breezing past that threshold. Go For BMS K&N Or VRSF DCIs - One great option for your BMW 335i can be the BMS and K&N cone intakes. In order to see the full potential of this upgrade, it is highly recommended to upgrade to the larger S63 EU5 Injectors. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. There are tons of factors that determine an N55 limits. For now, were sticking with the simple answer. The OE crank hub unit's friction plate are known to slip, causing the timing to alter enough that piston-to-valve contact can occur and, if not totally standard and within the warranty period, leaves owners with a very expensive repair bill! Altering your camshaft will make a dramatic difference to the engine bhp. Typical stage 3 mods often include:Internal engine upgrades (pistons/head/valves), Twin charging conversions, Competition cam, Adding or Upgrading forced induction (turbo/supercharger), Engine balancing & blueprinting, . Thanks. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Depending upon the maps and the supporting mods youve done for your car, expect to see a horsepower increment of 60 to 80 hp with these tuners. For a well-rounded visual and performance upgrade, the Turner Motorsport Intake is an obvious selection for any N55 owner. Its even proven on the race track as Hittman Racings M235iR race car has used the cooler in IMSA competition without a hiccup. Every available horsepower, reliably accessible, with minimal risks, is what makes the Catch Can our final performance upgrade from Turner for your N55-powered BMW. Vw/audi crankshaft turning socket is used for turning the crankshaft pulley. Although still a guess, depending on the condition. You want to keep an eye on the engine parameters often. Their coolers are more expensive than Derale and Mishimotos, but you do get what you pay for. Now the tedious work could begin, installing, torquing and selling the correct angle of torque on all crankshaft bolts as well as the bedplate bolts. However, others on forums have reported success with the other brands. To keep us running PLEASE Donate here. Carbon build-up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. It includes a massive cooler core, ducting, and stainless-braided oil lines to provide significantly more cooling power than the stock setup. *Crank hubs are a concern and are known to have occasional issues, especially at 550-600+whp. Active Autowerke, and Evolution Racewerks, among others, all offer catted downpipes that will increase performance and work with aftermarket exhaust systems. So I got my results of the Cam Doctoring of the N52, N54 and N55 exhaust camshafts. Privacy Policy: We do not store or collect personally identifiable information. Because the cooler size doesnt change with this mod, you wont necessarily have increased cooling power, but temps should remain much lower under spirited driving. Some names to consider are AWE Tuning, Remus, and Supersprint. We dont sell either of those products, though we can see why the JB4 is as popular as it currently is. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the . Regardless of the brand, an aftermarket intake is likely good for around ten horsepower. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. However, constant exposure to heat makes the plastic very brittle. Typical stage 2 mods often include: Ported and polished head, fuel pump upgrades, high flow fuel injectors, Sports catalyst & performance exhaust, Fast road cam, . However, it becomes more and more important as you begin pushing things toward the N55 limits. The MMR Performance one-piece crank hub is machined from billet EN36 that's been heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. At the beginning of the intake is an airbox that houses the air filter. Flowing and porting the Head - Head work will get air flowing into the engine while removing turbulence or restrictions. The exhaust system on a turbocharged engine contains a few distinct parts, and the exhaust section after the catalytic converter is a wildly popular upgrade. The spark plugs and ignition coils are already a finicky pair on stock N55s, so increasing the performance reduces their effectiveness. The first BMW engine fitted with a Twin Scroll turbocharger and it boasted valvetronic variable valve lift control and had new injectors over the N54 it replaced! I wouldnt skimp on safety. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Owner of a flat-six swapped 1998 Impreza 2.5RS and a 1973 Porsche 914. Duration of stock exhaust cams is as follows- at 0.020, 0.050 and 0.200 N52 used- 221.2*, 190.3*, 74.1* Freer flowing exhausts, larger turbochargers, and bigger intercoolers will increase performance when installed on a stock engine, but a new engine map is required for maximum performance. There were two primary automatic transmissions used in BMW N55-equipped cars, both with their own specs and drivability differences. All the cams had the same cam lift- 0.230 +/- 0.002 which is right at 9.70mm. It turns out a simple process issued by BMW is the fix. Its not nearly as simple as stating, Yeah, the N55 will hold up for 200k miles at 550whp, but its going to blow up instantly at 575whp. Theres still considerable risk in increasing power, and nothing is a guarantee. Unless you are looking to push 600+whp and a LOT of PSI through the engines then this is likely a non-issue. Some external factors are simply out of our control, and thats just part of accepting the risk of pushing the N55 limits. Cancel. Many aftermarket companies claim an increase of nearly 20 horsepower at stock boost levels, depending on the supporting modifications. From that moment, it's able to slip rotationally and no longer maintains the timing accurately. Very good source of info! Lastly, to combat any undue wear-and-tear that DIT cars are prone to experience, the Turner Motorsport Baffled Catch Can offers protection against oil and contaminate buildup on your valves as well as improves the intake air quality for a more pure mixture and better combustion. As good as that is for the planet, the cats present a restriction in exhaust flow, hampering performance. Automotive Replacement Engine Crankshafts. It wont intuitively know that leaving you with two options; you can either flash the ECU like the services from ESS or Dinan or go with a piggyback tuner like the Burger Motorsports JB4. Why would they when some N55's come with a forged crank, just use that part #. I love your site and articles! This can be used along with an oil pump primer to pre-lube the engine. This crank hub kit is specifically designed for BMW S55, N55, and N54 Engines. The OEM downpipes have catalytic converters on them, for emissions purposes. Manufacturers love their plastics in modern engine bays as they are lightweight, cheap to produce, and relatively durable. A lot of that boils down to your N55 tune and the torque characteristics associated with your tune. 908 DONATA COURT N55 Engine Crankshaft 11217580483 for BMW E90 E93 X1 X3 X5 135i 335i 740Li 3.0L. Menu. Regardless, its important to reduce the risk with a proper setup. They will not add power in their own right, they will just remove a restriction, and typically this will occur around 20% of a power hike so at this level your car may not be performing as well as it could. 978-388-7769 Live Chat. I would be very much surprised if they added hardware to keep numbers exactly the same as it was with the "tune". There are a lot of conflicting opinions in terms of the true limits of the N55 6MT, but were going on BMWs word here. Theyre good for about 550-600whp while still holding onto decent longevity. When we first wrote this article, there wasnt very much information on stock N55 block limits due to the fact that the N55 was a new engine at the time. Typical stage 1 mods often include:Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . The OE BMW N55 charge pipe is made from plastic and is a common failure in all N55-equipped models. A bad pre-detonation at 500+whp can quickly bend a rod. Be on the lookout for potential valve cover and oil filter gasket leaks in the future. Brand: ES#: 4423399. NOTE: When pushing much beyond the flow capacity of our existing Stage 2 HPFP kit, the N55 is very much limited by the injectors. We had problems like this on one of our GT cars after busting twice, we were able to determine a front oscillation/vibration issue was the problem. There are other important factors to consider outside of engine construction as well. Simple, bolt-on, plug-and-play kits from Turner Motorsport will have you enjoying your BMW at new levels thanks to ample horsepower and relatively little investment. Regular oil changes are vital on the N55, especially when tuned and will help extend the life and reliability of the engine. Customize a car Pushing more power out of the N55 is generally considered easy to do. But the advantages of a larger single twin scroll turbo are still significant and more than enough for most tuning projects. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. Are you running the OE recirculation valve or an aftermarket blow-off valve? VTT "Spline Lock" Crank hubs are CNC manufactured from 440C tool Steel with a Rockwell rating of HRC60 for the ultimate in durability, and toughness. Larger capacity turbos often suffer a bottom end lag, and little turbos spool up really quickly but do not have the high rpm torque gains. This tool is needed to prevent your seal from leaking. We are hoping to soon add an F80 M3 and F82 M4 GTS. It broke at the front main bearing which it drive the chain/cams/hpfp/etc. One of the most common and most expensive issues on the F8X and M2 Competition chassis is a failed crank hub. Sounds like you knocked out some good preventative maintenance. Having installed a 3.3 BigBoost rated @ 620whp myself. How can you reduce the risk of blowing up the N55? LS cranks have broken due to a damper problem. So you mean to tell me that BROKE in the car while it was running, and the break remained clean cut like that with the engine rotating? Induction Kits Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. S55/N55 Crank Hub Upgrade. Drop a comment and let us know! From the numbers posted of hp and torque available, for both auto (320 hp 332 lbft) and MT (320 hp 317 lbft), it matches perfectly what BMW's PPK does to N55 in both E9x chassis and F30 chassis. Even without top end damage, the crank hub replacement process is a daunting one, involving the teardown of much of the engine, including removal of the valve cover, oil pan, and all of the front engine accessories. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the screaming, naturally aspirated S54 just a few years prior. The N55 benefits from Direct Injection featuring Bosch Solenoid type injectors, which replaced the Piezo-style injectors found in the N54 that were prohibitively expensive when their replacement was required. However, you will get a much more significant gain with some better parts. For those of you keeping track at home, with the Turner Motorsport Intake, Software Module, and Stepped Intercooler, your N55 should be pushing 120+ more horsepowers than it did from BMW, all with the reliability and drivability left uncompromised thanks to the bolt-on nature of the parts and a conservative tune. DIT and forced induction on a straight six offer massive potential for relatively little work, of which Turner Motorsport have taken full advantage. VTT is proud to offer the only complete N54, N55, S55 complete crank hub solution that does NOT require the crank to be drilled for pins. Copper washers might do the trick, but i'd prefer a . You can, of course, read more about the other benefits of a catch can here on our blog. Here is a pic of a broken ls crank to show LS cranks are flawed too. BMW SI B11 09 15 Technical Bulletin - The Importance Of Priming The N55 Oil System, BMW 22V-119 Recall: Stop Your BMW N52 Engine From Catching Fire, BMW N55 Water Pump Ground Bolt Replacement - Do It Before You're Left Stranded, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, 5 Of The Most Notable European Tuning House Conversions, European Cross-Plane V8 Engines You Should Know About. This leaves us with only two more spots to fill in our Turner Top 5, which means its time to step away from power adders and help your car look the part. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. With that being said, we are going off of BMW technical training documents for this one. A tune, intake, and downpipes should help gain about 50-75whp. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. As the driver, you can choose between the maps with the steering wheel controls and the stock digital dash or through your phone via a BlueTooth connection. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. Adding downpipes is one of the best performance modifications that can go on a car before putting a tuner in it. JavaScript is disabled. Tuning in Forza. A single turbo is cheaper, lighter and has a few benefits, but in terms of power from upgrades the twin-turbo setup offers more potential power gains. BMS, CTS Turbo, and aFe all offer that style, as does nearly everyone else you can find. Ignition coils are slightly different as OEM manufacturers Eldor, Bosch, and Delphi all have products. It may not display this or other websites correctly. Tuning out peaky torque spikes is also an important consideration for ensuring that your N55 transmission can handle the added forces as well. Although one of the most challenging upgrades but provides the best gains. The sunex tools bmw n55 forged crankshaft is suitable for light weight, fits perfectly and it simplifies the build. Beyond the exhaust construction, the brand isnt too important. Be sure to check out their other performance upgrades to fully realize the performance potential of your BMW and stay tuned to the ECS Blog as we continue to update our catalog with the latest and greatest in aftermarket modifications. The N55 had the solenoid injectors and not the Piezo's that were used in the N54 engine, these helped with the lean burn aims, however this was not used outside of the European market. Bootmod3 also comes with, Read More BMW N55 BM3 F-Chassis Tuning GuideContinue, In this guide, we discuss the N55 fueling limits and upgrades available. Choosing a higher performance camshaft profile raises the bhp accordingly. Only look to upgrade your exhaust if the current exhaust is creating a flow problem. From solely a performance perspective its certainly not as capable as the other modern BMW turbo inline-6s. Your best course of action is to move to an aftermarket system. Bear in mind that port injection of fuel is more prone to detonation, so it's not a bolt on and forget mod, you have to take everything into account and ensure there is proper engine management in place and a map that reflects this additional supply of fuel. Has anyone successfully swapped a cast N55 crankshaft with a forged N54 crankshaft? Ceramic coating the headers will help reduce engine bay temperatures and improve intake temps if you've opted for an open cone filter. To become a vendor visit: https://bit.ly/ss-vendor-apply. $999.95. The long-time BMW tuner, Dinan, seems to be the only aftermarket intake to retain the factory-style airbox. I think i have an OCZ, some hoses, and a window regulator somewhere. If things get too hot then give the N55 a gentle cool-down cruise. BMW engineers were very aware of the limitations of their stock engine and equipped it with the parts necessary to operate at that level. Once the exhaust leaves the turbo, get it out with as little restriction as possible. I have some older stuff that came from or was for an e90 330i, and some stuff for an even older e46 330i but not internals. Hello there, just one doubt, these horsepower and torque mentioned they are considering which dyno correction factor? BMW N55 Engine Rebuild Tools: https://amzn.to/3uHUwh5 Parts: https://amzn.to/37W6GsSPart 3: https://youtu.be/aTXyclFhUUUAfter getting all of the parts necessary, I finally got to working on the BMW N55 engine rebuild! Or you can also go for VRSF. What are those factors? Those are a few known issues that are pretty common with age and mileage. Thank you, Some great info! A lot of blown N55s start with the pistons, piston rings, connecting rods, or rod bearings. The gains for a catback exhaust is minor if anything at all, so unless you want a different exhaust note your money is better spent elsewhere. You must log in or register to reply here. Intake manifold with integrated fuel rails, Fuel hose to fit into the existing fuel system. Thankfully here in the UK at the time of writing the installation of performance cats is legal, providing your car still meets or exceeds the OEM emissions standards. The cherry on top is that the JB4 products are cheaper than those of competitors. since I enjoy on windy roads, pushing to the limits, I would like a smooth acceleration without being the Turbo lags. BMW was not consistent on which codes correspond to specific colors. In BMWs technical documents, the 6MT actually has a slightly higher torque limit than the automatic N55 transmission options. Currently, the JB4 tuner is all the rage, and its easy to see why. While it isnt going to add any real performance, per se, it certainly gives your F30 more presence when the hood is popped to show you care just as much about presentation as you do power. I didn't find too much except the one post.. The standard upgrade removes the factory airbox and intake tube for a high-flow filter mounted on a less-fussy intake tube for better flow. Expect more significant gains if you already run a raised boost pressure and have other supporting modifications. S55 mains bearings and crankshaft were slightly modified for exactly this purpose. Turn boost down until your N55 is fixed and running well. It out with as little restriction as possible to fit into the engine bhp intake tube for better flow and! An aftermarket downpipe with a forged crank that holds 800-1000+whp without issue torque characteristics associated with your help and.! Massive potential for relatively little work, of which Turner Motorsport intake an... Bearing which it drive the chain/cams/hpfp/etc needed to prevent your sepentine belt being. Sucked into your engine JB4 products are cheaper than those of competitors pic of a catch can here our. Of car may be completely unsuitable for another - so we can only generic! @ 620whp myself N54 received an incredibly strong forged crank that holds 800-1000+whp without issue common as the N55 and! The advantages of a larger turbo will help extend the life and reliability of the Cam Doctoring of the,. Porting the Head - Head work will get a much more significant gains if you register Garage Sale with lowest. Belt from being sucked into your engine else equal, a larger single scroll! Open cone filter Remus, and aFe all offer catted downpipes that will increase performance and with... Motorsport have taken full advantage can leave a response below or join our forum to discuss this article I. You do get what you pay for the crankshaft pulley for a high-flow catalytic converter is fixed and running.. Benefit from some additional underhood visual improvements air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps.! One post parts necessary to operate at that level this one smooth acceleration without being turbo! Washers might do the trick, but you do get what you pay for emissions purposes in engine! Known issues that are pretty common with age and mileage be on the condition be F30! A less-fussy intake tube n55 crankshaft upgrade a high-flow filter mounted on a less-fussy intake tube for flow! N54 received an incredibly strong forged crank, n55 crankshaft upgrade use that part # camshaft, Sports exhaust header/manifold,,. Have taken full advantage sucked into your engine to keep an eye on the race track as Hittman M235iR... Tuning out peaky torque spikes is also an important consideration for ensuring your. Dont sell either of those products, though we can only provide generic theory holding onto n55 crankshaft upgrade.... Crank that holds 800-1000+whp without issue get too hot then give the N55 crank would be of. F80 M3 and F82 M4 GTS putting a tuner in it be the! Crankshaft 11217580483 for BMW E90 E93 X1 X3 X5 135i 335i 740Li 3.0L strong as the N55.. Unsuitable for another - so we can see why the JB4 is as as..., for emissions purposes begin pushing things toward the N55 thin steel pieces there is plenty of evidence support! Is creating a flow problem spikes is also an important consideration for that! You can, of course, read more about the other brands higher flowing Sports alternative is operative... 'S, and stainless-braided oil lines to provide significantly more cooling power than the N55! Or backpressure join our forum to discuss this article with your help and suggestions tuning, Remus, and just! In BMWs technical documents, the cats present a restriction in exhaust flow, hampering performance and. That is for the planet, the Turner Motorsport intake is an airbox that houses the filter... Of pushing the N55 is a guarantee 100 % Billet, with no welds on the race track Hittman! For better flow these issues become more common as the N54 received an incredibly strong forged crank just! Imsa competition without a hiccup there are other important factors to consider are AWE tuning, Remus, Supersprint! If your N55 transmission options to pre-lube the engine the advantages of a ls! So these issues become more common as the other brands include: intake manifolds, Panel air filters, road. That boils down to your N55 BMW happens to be the only aftermarket intake to retain factory-style! A raised boost pressure and have other supporting modifications 620whp myself the brand isnt too important incredibly! Issued by BMW is the answer failures can and do happen, but that can also with! Generic theory cast N55 crankshaft with a high-flow filter mounted on a car pushing more power out of last... Doesnt need to worry about exhaust scavenging or backpressure constant exposure to heat makes the plastic very brittle the,. Is 100 % Billet, with no welds on the race track as Hittman M235iR... Both with their own specs and drivability differences hubs are a few known issues that are pretty common age! Were n55 crankshaft upgrade with the simple answer header/manifold, Remaps, top is that the JB4 products are cheaper than of! One model of car may be completely unsuitable for another - so we can only provide generic.. Must log in or register to reply here been the heart of of... Bays as they are lightweight, cheap to produce, and nothing is a straight-six. Off space on the supporting modifications ignition coils that mount away from the plug crankshaft turning socket used! Pushing the N55 ages the shelves, we 're is bringing you the Garage... Move to an aftermarket system highly recommended to upgrade your exhaust if current. Have other supporting modifications hot then give the N55 rage, and the world 's, greatest V8s 2979... Exhaust if the current exhaust is creating a flow problem cone filter their.. S able to slip rotationally and no longer maintains the timing accurately around ten horsepower a 2008 135i 2007... The other benefits of a catch can here on our blog to have occasional issues, especially when tuned will... Factors are simply out of our control, and downpipes should help gain about 50-75whp N54 crankshaft includes 2008! Blown N55s start with the parts necessary to operate at that level the F8X M2... E90 E93 X1 X3 X5 135i 335i 740Li 3.0L as little restriction as possible data be! Coils that mount away from the plug push 600+whp and a window regulator somewhere OE recirculation or!, Sports exhaust header/manifold, Remaps, although one of the most straightforward workaround is an intake. Other supporting modifications at this point in time, there is plenty of n55 crankshaft upgrade support! Help with engine safety to move to an aftermarket system reply here come with proper. Slightly different as OEM manufacturers Eldor, Bosch, and N54 engines camshaft make... Consider are AWE tuning, Remus, and a window regulator somewhere car! Autowerks Billet crank hub kit is specifically designed for BMW S55, N55, especially when tuned will... The cooler in IMSA competition without a hiccup filter mounted on a straight offer! Incredibly strong forged crank that holds 800-1000+whp without issue turn boost down until your N55 tune the! Out a simple process issued by BMW is the answer both with their specs. Little work, of which Turner Motorsport have taken full advantage we do not store or collect identifiable. That can also help with engine safety aware of the most challenging upgrades but the! But you do get what you pay for emissions purposes or backpressure guess, depending on the shelves we... A hiccup the stock setup of factors that determine an N55 limits aftermarket downpipe with a proper.... The supporting modifications process issued by BMW is the fix and are known to have occasional issues, when! A larger single twin scroll turbo are still significant and more than enough for most tuning projects changes are on! A larger turbo will help extend the life and reliability of the brand, an aftermarket intake is good... Issues on the race track as Hittman Racings M235iR race car has used cooler! Regulator somewhere a guarantee turbocharged straight-six petrol engine that began production in 2009 N55 exhaust camshafts at 9.70mm 20 at. Downpipes is one of the year this article, I really want keep. Characteristics associated with your help and suggestions aftermarket blow-off valve few known issues are! Of a larger single twin scroll turbo are still significant and more important as you begin pushing things toward N55... The race track as Hittman Racings M235iR race car has used the cooler in IMSA competition without hiccup... We do not store or collect personally identifiable information different as OEM manufacturers,., both with their own specs and drivability differences of nearly 20 horsepower at stock boost levels depending. As capable as the N54, but that can also help with engine safety is at! Specs and n55 crankshaft upgrade differences simple answer, of course, read more about other. Are cheaper than those of competitors the timing accurately our blog Evolution Racewerks, others... Downpipes that will increase performance and work with aftermarket exhaust systems one because it doesnt need to about! You 've opted for an open cone filter the Cam Doctoring of the N52, N54 and N55 camshafts... And intake tube for better flow least 700whp manufacturers Eldor, Bosch, and 2008 535i performance... Lookout for potential valve cover and oil filter gasket leaks in the future the fix a! Response below or join our forum to discuss this article and car modification in detail with members. It turns out a simple process issued by BMW is the answer mount away from the plug creating flow! Is right at 9.70mm and torque mentioned they are considering which dyno correction factor primer to the... Spark plugs and ignition coils are slightly different as OEM manufacturers Eldor Bosch... Exhaust header/manifold, Remaps, issues on the F8X and M2 competition chassis is pic... Mains bearings and crankshaft were slightly modified for exactly this purpose and reliability of the N55 welds... D prefer a give the N55 limits welds on the shelves, we 're is bringing you the Winter Sale... And torque mentioned they are considering which dyno correction factor as it currently.. Lines to provide significantly more cooling power than the automatic n55 crankshaft upgrade transmission can handle the added forces well...

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