N55 reliability - As combustion engines downsize and add electrification, BMW’s N55 inline-six has held down a respected place in the automotive industry. Available in popular models like the M135i, M235i coupe, and more, the N55 inline-six powers some of BMW’s most engaging sports cars.However, no engine is perfect, and there are a few common issues …

 
Finding a reliable used truck for under $3,000 can be a daunting task. But with the right research and preparation, you can find a great deal on a used truck that will last you for.... 360 at jordan west

Power. The main advantage of the BMW N63 engine is its power. The engine can produce from 402 horsepower ( N63B44O0) to 523 hp (N63B44T3), depending on the variant and tuning. This makes it one of ...BMW reliability seems to be trending in the right direction, though. At least when you compare the B48 and B58 reliability to that of the earlier N54, N55, N63, S65, etc. Toyota is also using the B48 engine in their Supra models. They did tweak the design a little bit, but it’s still a testament to the reliability of the B48.We encourage N55 engine owners to keep a close eye on their engine's performance and address any issues promptly. To Improve N55 Reliability. Foremost among the concerns is the charge pipe system, often prone to troubles. To steer clear of problems, the initial modification you should prioritize is upgrading to an all-metal charge pipe.N54 vs. N55 Reliability: Which Engine is More Reliable? Pin. This is always a touchy subject when it comes to discussions about the N54 vs. N55. Simply put, the N55 is more reliable. BMW’s N54 was the first mass-production turbocharged gasoline engine produced by BMW in decades. Looking at BMW’s current line-up in 2017, which is mostly ...N54 vs. N55 Reliability: Which Engine is More Dependable? At the end of the day, the N55 is the more trustworthy engine N54 vs. N55 Engine Internals So…Twin …Jan 15, 2021 · The N55 powertrain that has been in the M2 family for a long time is one of the most reliable engines in the BMW line-up. Toyota even shares the 3.0-liter inline-six in its MK5 Supra. The Japanese are known to trust the quality, and so if their sports car has the BMW engine, it must amount to something. The M2 users also report satisfaction ... Dec 31, 2015 · BMW N55 straight-six engine. The inline-six engine has all but died out, aside from the Bavarians, though. Packaging and cost have brought about the mass use of V6 engines to replace the I6, as V6 ... If you do some research the N55 will be a bit more reliable than N54s, but the N52 is the clear winner. The N55 needs it's fair share of maintenance, and if the common problems are addressed I do not see why you should not have a reliable engine. Water pump, PCV, Charge Pipe, vcg, ofhg, opg gaskets and checking the rod bearings come to …I'm buying a 2011 135i w/ DCT this weekend. The car has 45,000 miles and has only 1 month left of the factory warranty. The car checked out with "flying colors" in my PPI. I have done a bit of reading on the N55 vs N54 reliability, but most threads out there are a few years old at this point. Now that the N55 has been around for 3-4 years I ...The BMW N55B30 engine is renowned for its solid balance of performance and reliability. With proper maintenance, many N55 engines have surpassed the 200,000-mile mark without major issues, a testament to BMW’s engineering. However, as with any complex machinery, certain areas may require attention over time.N55 reliability [OC] Coming upto 125k kms on my 235i. Just before my oil change I checked the level, it had dropped 1 point (using system's oil measurement tool). I didnt find any leaks, motor was dry, no pooling around injectors. Anything else I need to check for or my turbos just started to go bad (no smoke of any color). Or its normal Locked post. New …Jul 30, 2021 · The N55 engine is a turbocharged inline-six that replaced the N54 in multiple models from 2009 to 2017. It produces 20 more horses and better fuel economy than the N54, and has a Valvetronic system and a lower-pressure fuel system. However, it also has some common issues such as valve cover gaskets, water pump, and VANOS solenoids that can affect its reliability. Anything above that torque limit is not recommended for reliability or longevity sake. Stock N55 Limits – Crankshaft (700+whp) N55 cranks are a tough one. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. However, N55 engines receive a standard cast crank. Some claim to have already run into …Issues with maintenance and reliability will happen with any car. The n55 suffers from similar issues as the N54. If anything, its more expensive to maintain. What ever you do decide to get, make sure you keep up on the scheduled maintenance plan. Iv seen horror stories from people neglecting to change the serpentine belt tensioner. Issues with maintenance and reliability will happen with any car. The n55 suffers from similar issues as the N54. If anything, its more expensive to maintain. What ever you do decide to get, make sure you keep up on the scheduled maintenance plan. Iv seen horror stories from people neglecting to change the serpentine belt tensioner. The N55 is much closer to the N52 in reliability than the N54. It basically has the same trouble areas as the N52, plus the charge pipe cracks and the expansion tank return line leaks. Rod bearings can be an issue on engines driven hard before the oil is warm. I've personally never had an N55 rod bearing issue in front of me but the reports are ...n55 will max out around 380ish whp. need an upgraded turbo to reach 400whp (at least on the e-chassis). Stage one will get you into the low-mid 400s (40-75whp above stock turbo depending on fueling) while stage 2 will net you as much as your fueling permits (600+whp). I just purchased a 2012 BMW 335i coupe.In an experiment, reliability signals how consistently the experiment produces the same results while validity signals whether the experiment measures what it is intended to measur...BMW B58. The BMW N55 is a turbocharged straight-six petrol (gasoline) engine that began production in 2009. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo . The N55 was BMW 's first straight-six engine to use a twin-scroll turbocharger. It also won three straight Ward's 10 Best Engines awards in 2011–2013. Dec 31, 2015 · BMW N55 straight-six engine. The inline-six engine has all but died out, aside from the Bavarians, though. Packaging and cost have brought about the mass use of V6 engines to replace the I6, as V6 ... My 2011 N55 has 183,000+ miles, and 100,000 of those have been with a Pure Stage 1+tune. The car is probably making around 330whp/400tq. Overall, the car has been pretty reliable. The only thing I’ve had to replace on the engine was the water pump (twice) and the oil filter housing gasket. I’ve also replaced the plugs and belt, but I ...Yes the N55 is one of their most reliable engines and it has stood the test of time in many of their other cars such as the X3 etc... however, time will tell what the higher performance tune/boost and probably harder driving of the M2 will do to that reliability. Appreciate 0. Oct 29, 2018 · Finally at the track, the M2 screamed to 60 mph in 4.1 seconds and through the quarter-mile in 12.7 at 110 mph. It skittered around the skidpad at a full 1.00 g and ground to a stop from 70 mph in ... BMW N55 Reliability. We covered the BMW N55 engine problems, now let’s take a look at the overall reliability of this engine. Is this a reliable engine? The short answer is yes. This engine when it comes to …Opening this thread to see how reliable has been the n55 engine to everyone here in the forum. I've recently moved from an n54 platform to an N55 (feel like it was a mistake) for "reliability" purposes but now that i got mine i did a little bit more research and i've been finding a lot of people with engine rod bearings going bad on them.Often, the reliability of each specific N20 engine may come down to how well it is maintained, as well as the luck of the draw. Some engines may make it past 100,000 miles without any significant issues, while others may cost thousands of dollars a year in repair bills. A well-maintained BMW N20 engine should generally be a reliable, …Learn about the BMW N55 engine. N55 engine problems, reliability, tuning, bolt-ons, fueling upgrades, and more. BMW N55 400+hp & more.Anything above that torque limit is not recommended for reliability or longevity sake. Stock N55 Limits – Crankshaft (700+whp) N55 cranks are a tough one. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. However, N55 engines receive a standard cast crank. Some claim to have already run into …The Reliability of the N54 and N55 Engines. In the end, the N55 is the more reliable option due to the refinements and alterations BMW made. It might not have the tuning potential of the N54, or ...Yes the N55 is one of their most reliable engines and it has stood the test of time in many of their other cars such as the X3 etc... however, time will tell what the higher performance tune/boost and probably harder driving of the M2 will do to that reliability. Appreciate 0. I'm sure there are other issues that come along with the BMW n55 engine, but I would consider these 6 the biggest problems as they could leave you on the sid...N55 Stage 1 tune reliability 335i Thinking of doing a few performance mods on my soon to be 2013 335i convertible but since this car is going to be my daily I also want it to be a reliable daily fun driver.Malgré la croyance largement répandue selon laquelle les BMW ne sont pas fiables, le moteur BMW N55 est étonnamment fiable. Les quatre problèmes les plus courants avec le N55 sont le couvercle et le joint de soupape, la pompe à eau, le joint du boîtier de filtre à huile et les solénoïdes VANOS, sans ordre particulier.N54 vs. N55 Reliability: Which Engine is More Dependable? At the end of the day, the N55 is the more trustworthy engine N54 vs. N55 Engine Internals So…Twin …Reliability of the N55 Engine The N55 engine is generally considered to be a reliable engine that can last for many miles if properly maintained. In many cases, we would say it’s more...BMW has also stressed temperature management in the B58, more so than in the N55. The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged ...Dec 6, 2022 · N55 Reliability. Despite the belief that BMW engines are unreliable, the BMW N55 is a reasonably dependable engine. The valve cover and gasket, water pump, oil filter housing gasket, and VANOS solenoids are the four most prevalent faults with the N55, in no particular order. Dec 26, 2023 · Must-Have BMW N55 Upgrades For Performance & Reliability. BMW ’s N55 engine was the Bavarian’s powerhouse of the 2010s and has since become a tuner’s delight. 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 ... BMW has also stressed temperature management in the B58, more so than in the N55. The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged ...Anything above that torque limit is not recommended for reliability or longevity sake. Stock N55 Limits – Crankshaft (700+whp) N55 cranks are a tough one. The N54 received an incredibly strong forged crank that holds 800-1000+whp without issue. However, N55 engines receive a standard cast crank. Some claim to have already run into …N55 PWG vs EWG Summary. Long story short, PWG N55’s produced from 2011-2013 are less capable than the 2014+ EWG models. Electronic wastegate control is a more efficient, superior method as compared to pneumatic wastegates. Expect EWG cars to experience fewer issues with boost under target.Jul 30, 2021 · The N55 engine is a turbocharged inline-six that replaced the N54 in multiple models from 2009 to 2017. It produces 20 more horses and better fuel economy than the N54, and has a Valvetronic system and a lower-pressure fuel system. However, it also has some common issues such as valve cover gaskets, water pump, and VANOS solenoids that can affect its reliability. It is just so perfectly in balance with still analogue/hydraulic controls for braking, steering, acceleration as a true drivers car should be, where the connection with the road is not interrupted by electronics and importantly the engine without turbos. A pure "Ultimate Driving Machine" The BMW E90 330i.The BMW N55B30 represents the current workable technical edge of gasoline engine performance and economy. It is a state-of-the-art powerplant available in the 535i GT and soon the 535i fromI'm sure there are other issues that come along with the BMW n55 engine, but I would consider these 6 the biggest problems as they could leave you on the sid...Dec 7, 2017 · Simply put, the N55 is more reliable. BMW’s N54 was the first mass-production turbocharged gasoline engine produced by BMW in decades. Looking at BMW’s current line-up in 2017, which is mostly turbocharged, I believe it is fair to say the N54 was in many ways an “experiment”. The N54 was notorious for its common and troubling issues ... N55 M2 Reliability. Hey everyone! Right now I am looking at buying either a new Type R or a Used 2017/2018 M2. Unfortunately, it is difficult to find a Type R for MSRP which is why I started looking for used M2s. I was just wondering about the reliability and maintenance costs of this car. If anyone has had a major issues I would love to hear ...Tfsi s3 is probably the cheapest way into the mid 300bhp club. I don’t think Youl get anything with a n55 for 8k, and the n54 isn’t known for its reliability. A set of injectors are £2k now ...Mar 14, 2021 · This is the same displacement, bore, and stroke as the BMW N54 before it, and it also features the same 10.2:1 compression ratio. The S55 is just a high-performance version of the N55, meaning it carries a lot of similar parts and design features from the N55. According to BMW, the N55 and S55 share 75% of their engine components and 25% of the ... N20 vs n55 reliability . Lookin 2 buy a f30 but unsure which engine range is most reliable. Lookin at 2013s-2014s 328i and 335i. Locked post. New comments cannot be posted. Share Sort by: Best. Open comment sort options. Best. Top. New. Controversial. Old. Q&A. Add a Comment. Gagurass • In my experience BMW engines are the last part of the car to be …Jun 11, 2022 · The N54 is more tuner-friendly. BMW’s N54 twin-turbocharged engine actually comes to life when customized; I do not intend to suggest the N55 is anything but impressive when customized. The N54’s twin turbo design merely moves more air and does so more effectively. Mod for mod the N54 will outperform the N55. N55 Reliability Despite the many misconceptions that BMW’s as a whole are unreliable, the BMW N55 is actually a fairly reliable engine. The four most common problems with the N55 are, in no specific order, the valve cover and gasket, water pump, oil filter housing gasket, and VANOS solenoids. Table of Contents show.Tfsi s3 is probably the cheapest way into the mid 300bhp club. I don’t think Youl get anything with a n55 for 8k, and the n54 isn’t known for its reliability. A set of injectors are £2k now ...N55-powered cars remain one of the most cost-effective ways to experience a performance BMW with outstanding reliability. BMW launched the N55 in 2009 with a 3.0-liter displacement capable of 315 hp and 332 lb-ft of torque; perhaps its most potent application is under the hood of the pocket-friendly 335i E92. Furthermore, BMW also …1) N53 High Pressure Fuel Pump (HPFP) This is the first common and most prevalent issue to come up with the N53. High Pressure fuel pumps were such an issue when the engine first came out that BMW issued a recall on the engine. The N53 uses the same HPFP as the BMW N54, and these issues are well documented. The high pressure …Just wondering the reliability of the old m2 models before the m2c production. I know it has the n55 motor. What were some common problems unique to that motor without a tune ? Appreciate 0 Tweet. Quote 01-29-2023, 11:13 PM #2: RAM_F30_F87. Lieutenant . 195. Rep. 430. Posts. Drives: 2017 M2 LBB 6MT; 2012 328i …Reliability of the N55 Engine The N55 engine is generally considered to be a reliable engine that can last for many miles if properly maintained. In many cases, we would say it’s more...The BMW N55B30 represents the current workable technical edge of gasoline engine performance and economy. It is a state-of-the-art powerplant available in the 535i GT and soon the 535i fromFinally at the track, the M2 screamed to 60 mph in 4.1 seconds and through the quarter-mile in 12.7 at 110 mph. It skittered around the skidpad at a full 1.00 g and ground to a stop from 70 mph in ...LG refrigerators are reliable with bottom-freezer and top-freezer models, but reliability surveys mark side-by-side fridge and freezer LG designs as being repair-prone, according t...Nov 8, 2020 · 91 octane: 320-330whp / 350-360wtq. 93 octane: 330-340whp / 355-365wtq. Expect N55 bm3 stage 1 horsepower in the ballpark of 310whp to 335whp. Again, the peak power gains may not sound overly impressive but there are bigger gains to be had in the mid-range. It’s also not too bad for a conservative tune. BMW N55 Reliability & Common Problems BMW N55 vs N54 Introduction BMW launched the N55 engine as a successor to its not-so-reliable N54 which was launched back in 2006. Let’s start off with a …Jul 5, 2023 · The BMW N55 engine has generally shown good reliability, although there have been reported issues with the high-pressure fuel pump, valve cover and gasket le... Questions on tune/reliability for the n55. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E81 / E82 / E87 / E88Model Year: 2004 - 2011. 2. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations ; F22 ...If you're looking at picking up a used BMW 335i, 135i, or 535i from 2007 to 2013, you'll have a choice between two excellent twin-scroll turbocharged engines:It's plenty strong. The N55 in the M235 and M2 have a stronger forged crank and cylinder oil squiters. All 2014+ N55s use the S55 rod bearings and rods. The M2 N55 has a more race focused oil pan baffle. Barring some of the earlier pre 2014 N55s with rod bearing issues, the N55 is a pretty dang reliable motor. The motor is generally simple ...Plus de durite, plus de chauffe dans le compartiment moteur et peut etre moins de fiabilité au final . Sur le moteur S55 la pompe a eau est mécanique entrainé par courroie et sur le S55 elle est electrique . LE S55 a un refroidissement intercooler a eau et sur le N55 c'est a air simplement . Le defaut du S55 semblerait etre la casse du ...Sep 19, 2017 · Hey everyone! Opening this thread to see how reliable has been the n55 engine to everyone here in the forum. I've recently moved from an n54 platform to an N55 (feel like it was a mistake) for "reliability" purposes but now that i got mine i did a little bit more research and i've been finding a lot of people with engine rod bearings going bad on them. BMW N20 engines are found in the 320i and 328i models with 181hp and 241hp, respectively. The N20 delivers decent reliability. It’s an improvement over the larger N55 engine which was designed a couple years prior to the N20 (the N55 was also used in the older E90 3-series). N55 engines are found in the F30 335i with 300hp and 300 lb-ft …35i has a n55 engine which is produced from 2009 till nowadays and it's one of the most reliable engines currently BMW has. Can't go wrong with it. 50i is another story - you don't need that power for a beater car lol . Appreciate 0 Quote 03-03-2018, 07:50 PM #4: snowmuch. Second Lieutenant . 104. Rep. 254. Posts. Drives: 2016 Macan Turbo. …If you're looking at picking up a used BMW 335i, 135i, or 535i from 2007 to 2013, you'll have a choice between two excellent twin-scroll turbocharged engines:I bought my early E90 N55 @ 61k 5 months ago, and this is what I've spent on maintenance and repairs so far: door lock actuator: $200 (including labor... anything with a latch, spring, or motor seems to break on these cars) water pump: $400 in parts, $800 in labor (including coolant flush) summer + winter tires and wheels: $3100 (not for ... Here’s a quick list of the BMW 335i years to avoid: 2007. 2008. 2009. 2011. 2013. The 2010, 2012, and 2014 models almost made this list, but while there are some complaints about those model years, they aren’t as frequent or severe as the 5 model years we’ve listed above. Of these years, the 2007 model is consistently the worst performing ...Nov 12, 2021 · BMW N55 — Turbocharged Reliability. The BMW N55 is a turbocharged 3.0L inline-six engine that debuted in 2009. It had big shoes to fill as it was introduced to replace the successful N54 — BMW’s first mass-produced turbocharged engine. The N55 featured multiple changes, most of them implemented to make it a more reliable unit than its ... Yes, I agree that the limitation towards the n55 engine is the tuning as the n55 has a twin scroll turbo charger whereas the n54 has a twin turbo charger. My mate’s f20 m135i has been stage 1 tuned to 350hp and 500Nm of torque. He told me that sometime in the future he might tune his car to 500hp if possible.N20 vs n55 reliability . Lookin 2 buy a f30 but unsure which engine range is most reliable. Lookin at 2013s-2014s 328i and 335i. Locked post. New comments cannot be posted. Share Sort by: Best. Open comment sort options. Best. Top. New. Controversial. Old. Q&A. Add a Comment. Gagurass • In my experience BMW engines are the last part of the car to be …From the factory, the N55 has more headroom for reliable horsepower and torque gains. With a simple stage 1 tune, both engines can see gains of around 30-50 horsepower and …BMW N55 RELIABILITY 2020#BMWN55 #N55RELIABILITY #N55TURBOClick here to buy The launch Creader CR529https://amzn.to/2GbNN6WClick here to buy the Oil system Pr...95 Octane/102 RON: 340-350whp / 410-430wtq. N55 horsepower with the MHD stage 2+ tunes comes in at roughly 315-350whp. The power gains are nothing crazy when compared to some other modern turbo BMW engines. Unfortunately, the PWG N55 just has an inferior torque curve which limits the peak power gains.One viewer recommended an upgraded valve cover and PCV reroute to catch can set up to further aid reliability. Carbon build up issues on the N55 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.In this ultimate N55 engine guide, we’ll cover everything you need to know about the 3.0L turbocharged inline 6, including N55 engine specs, popular N55 engine …Jun 11, 2022 · The N55 does not earn the highest remarks for reliability, it is not to recommend the N55 is a terribly unreliable car. It is more of a testament to simply how good the two remaining engines are. BMW’s B58 and S55 engines are newer, so more concerns might appear down the road. N55 Stage 1 tune reliability 335i Thinking of doing a few performance mods on my soon to be 2013 335i convertible but since this car is going to be my daily I also want it to be a reliable daily fun driver.I have a 5 series with the n55, love the power that inline 6 makes. Bought mine with 115k miles on it, previous owner did a water pump replacement. 2 years later I just recently got the oil filter housing gasket, oil cooler, couple coolant lines replaced (from oil leaking into the oil cooler from the gasket failing), coolant reservoir, valve cover gasket, lots of oil changes (every 4,500 to ... Must-Have BMW N55 Upgrades For Performance & Reliability THE FCP EURO BLOG / All Posts BMW 12/26/23 10 Min Read By: Christian Schaefer Must-Have …It’s still considerably cheaper to build a 700whp N54 compared to the N55 or B58. We’d take the N54 335i over the N55 335i or B58 340i for 500+whp builds, but the B58 is a very close second. BMW 335i vs 340i Reliability. Many people are familiar with the reliability horror stories of the original N54 powered 335i models. The 335i was a new ...

Issues with maintenance and reliability will happen with any car. The n55 suffers from similar issues as the N54. If anything, its more expensive to maintain. What ever you do decide to get, make sure you keep up on the scheduled maintenance plan. Iv seen horror stories from people neglecting to change the serpentine belt tensioner. . Best buy service repair

n55 reliability

N54 vs. N55 Reliability: Which Engine is More Dependable? At the end of the day, the N55 is the more trustworthy engine N54 vs. N55 Engine Internals So…Twin …Well, the N52 is only marginally better than the N54 in terms of reliability, there’s just some common failures that happen to be pricey cough injectors and turbos cough. I would say …In today’s digital age, it is important to be able to determine the reliability of websites. This is especially true when it comes to Temu, a website that provides users with a wid...This video has been so long overdue. The title says it all! Please be sure to give this video a like and subscribe to my channel if you haven't already! Much...Dec 26, 2023 · Must-Have BMW N55 Upgrades For Performance & Reliability. BMW ’s N55 engine was the Bavarian’s powerhouse of the 2010s and has since become a tuner’s delight. 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 ... Even against older engines like the N54 and N55 it holds up well. Even though engines are generally reliable, there may still be issues to monitor with this one – such as coolant loss, oil leaks and carbon build-up. Even though this motor has come up as a development technology, there are still some considerations related to B58 reliability.Belts, brakes, all the stuff that moves. People who complain of BMW reliability have a lack of attention to detail. Was guilty myself. Also never buy a BMW twin turbo V8. If rod bearings on N55 scare you then those will give you nightmares. The fuel injectors in the N55 were changed to the ones using the Bosch solenoid valves from the piezo-style HPI injectors that the N54 used. The reasons for this change are primarily cost and reliability, even though the piezo-style does burn leaner. 5. BMW’s Variable Valve Timing System BMW N55 Reliability. We covered the BMW N55 engine problems, now let’s take a look at the overall reliability of this engine. Is this a reliable engine? The short answer is yes. This engine when it comes to …Sep 11, 2023 · Tuning Potential. When it comes to tuning capability, the BMW B58 clearly wins. While the N55 can safely make around 400-450whp on stock internals, the B58 can achieve over 500whp without opening up the engine. Here are some tuning capability comparisons: Stage 1 – B58 makes 380-400whp, N55 makes 340-360whp. The BMW N55B30 represents the current workable technical edge of gasoline engine performance and economy. It is a state-of-the-art powerplant available in the 535i GT and soon the 535i fromOnline test-taking services are becoming increasingly popular as a way to help students prepare for exams. But with so many services available, it can be difficult to know which on...n55 will max out around 380ish whp. need an upgraded turbo to reach 400whp (at least on the e-chassis). Stage one will get you into the low-mid 400s (40-75whp above stock turbo depending on fueling) while stage 2 will net you as much as your fueling permits (600+whp). I just purchased a 2012 BMW 335i coupe.MHD stage 2 + map. New plugs one step colder. New Coils. BMS metal charge pipe. This are commons mods so wondering what other N55 owners experience is with reliability ? Can our motor handle this HP. Should be about 340 HP. Have 95ks on the clock. It’s a DD doing about 15ks a year.91 octane: 320-330whp / 350-360wtq. 93 octane: 330-340whp / 355-365wtq. Expect N55 bm3 stage 1 horsepower in the ballpark of 310whp to 335whp. Again, the peak power gains may not sound overly impressive but there are bigger gains to be had in the mid-range. It’s also not too bad for a conservative tune.I have a 5 series with the n55, love the power that inline 6 makes. Bought mine with 115k miles on it, previous owner did a water pump replacement. 2 years later I just recently got the oil filter housing gasket, oil cooler, couple coolant lines replaced (from oil leaking into the oil cooler from the gasket failing), coolant reservoir, valve cover gasket, lots of oil ….

Popular Topics