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. Sep 10, 2023 · Overall, the B48 demonstrates better reliability and fewer repeat faults compared to the N20. However, it lacks the proven robustness of BMW’s N55 3.0 liter twin turbo inline 6-cylinder. The N55 powered many 3 and 5 Series, X3s, X5s and more from 2009-2018 relatively trouble free, especially when properly maintained. Nov 4, 2022 · And the N55 is one of these engines. Horsepower for the average Joe. And not only horsepower and performance but also reliability as well. If you didn’t know, the N55 was an engine that was has won the Ward’s 10 best engine award for three years in a row from 2011 to 2013. 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...When it comes to planning a vacation, there is no substitute for the expertise of a professional travel agent. With so many options available, however, it can be difficult to know ...When it comes to finding a reliable manufacturer for your business, there are certain qualities that you should look for. The right manufacturer can make a significant difference i...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.The N55 comes highly rated minus some known problems (charge pipes, etc) if you don’t plan on modding it, and there’s not much else that seems to reliably go wrong, outside of normal car shit. Cars are always a crapshoot in the end - what some people get 200k worry free miles out of is another person’s car that needs five figures worth of ... This forum seems to has the most extensive details for N54 or N55. The 2010 is the the one i would like but the mileage is pretty high. 1) 2010 X6 Xdrive35i - N54 engine with 6 speed. (twin turbo) Downside - 62k miles. 2) 2011 X6 Xdrive35i - N55 engine with 8 speed (single turbo) 30k miles. Price are almost the same. Questions.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 ...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 ...BMW’s N55 engine took a step back in the strength and capability department, but a step forward with reliability. It’s not quite as receptive of mods or as potent as the older N54 engine. However, it’s a great balance between performance and reliability. Even with the single turbo spool remains quick and the engine feels similar to …In today’s digital age, having a fast and reliable internet connection is essential. Whether you use the internet for work, entertainment, or simply staying connected with loved on...Yes they are. That being said though cars during the warranty period which you are asking about are normally very reliable as that is the point. come 2021 onward you might be better served by the answers about 2016/17+ M2's. Thank you Sir. That is exactly one of the intent of this post. Long term reliability.Learn about the BMW N55 engine. N55 engine problems, reliability, tuning, bolt-ons, fueling upgrades, and more. BMW N55 400+hp & more.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 ... Dec 12, 2023 · 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 reliable than the N54. M235i (N55) Reliability. I’m currently viewing a 2016 M235i with 44k miles on it. Certified until 2021 for $29k. My next option is a 2018 370z CPO with 20k miles for 7 yrs/100k miles for $28k. I love BMWs. I drive a BMW right now (NA). I am so hesitant of getting an “M” car because of the nightmares I hear about them after the warranty ...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.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.The B58 is more reliable than the N55, with many improvements in terms of power and efficiency. The N55 has common issues such as cracked charge pipe, water pump failure, and rod bearing failure, while the B58 …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 ...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 ...N55 Reliability Within the next few months Im looking to buy a 2012-2016 F30 335i 6MT (If i can find one) The ones in my price range up to 22000 CAD are fairly high mileage with most of them being at 150000 - 170000KM. Total Ideas on the BMW N55. Reliability Rank: 3. Tuneability Rank: 3. Worth Rank: 2. The N55 does not earn the highest remarks for reliability, it is not to …Your rod bearing failure is caused by a serpentine belt that slipped because of OFGH leak. Nothing to do with actual engine defect of the N55 like the e9x series BMW M3. I been running this car since 72k miles, at 106k miles, only replaced HFPF, OFGH gasket, oil pan gasket, coolant reservoir.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...In today’s fast-paced world, owning a reliable and affordable car is a necessity for many individuals. If you’re in the market for a new small car that won’t break the bank, this a...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. BMW N20 Reliability & Common Engine Issues. N55 Reliability & Common Problems. 2016+ F48 X1 Chassis. F48 models began production in 2015 with their first model year beginning in 2016. It stands 2.6″ taller and 0.9″ wider than the previous E84 X1. However, the F48 X1 actually receives a 3.5″ shorter wheelbase and 0.6″ shorter overall ...Are you a beginner looking to dive into the world of JavaScript programming? Well, you’re in luck. In this article, we will explore the best sources to find reliable and free JavaS...Mechanically the n55 is great but the electrical is a massive pain. If you see a flood, drive the other way or park high and Uber. $50 Uber is better than a $900 parking break module. I got lucky and bought one off eBay for $30 and asked for a software update which fixed it but if you get aftermarket modules, you need software and knowledge to ... Both the N55 and B58 engines have been generally well-regarded for their reliability, but there have been some reported issues with both. The N55 engine has been known to experience issues with the high-pressure fuel pump and fuel injectors, while the B58 reliability has had some drawbacks with some reports of timing chain and water …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 …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.For over a decade, BMW N55 was one of the main engines that BMW has used in it's cars. Overall, it's a good engine, but of course there were some early issue...BMW B48 vs. B58: Horsepower, Tuning, Reliability & Sound; BMW M54 Reliability: 6 Most Common Issues; BMW B48 vs B47: Power, Efficiency, Sound & Reliability; BMW N55 vs. B58 Reliability: Which engine is more reliable? Jun 25, 2014 · The 3.0-litre straight-six with BMW TwinPower Turbo technology wins its fourth title and the MINI 1.6-litre four-cylinder turbo unit its eighth in the world's leading engine competition. We look at 14 of the best mods and upgrades for your N55 engine and we talk about tuning them to 400, 500 and over 800hp. This video will show you where to s...BMW took a step back from performance with the N55 to improve reliability. Then, they tied it all together with the BMW B58. BMW B58 Reliability & Problems. Discussing reliability and engine problems on a relatively new engine is a tough topic. The BMW B58 is still only 6 years old and that’s not quite enough time to gauge long-term …BMW N20 Reliability & Common Engine Issues. N55 Reliability & Common Problems. 2016+ F48 X1 Chassis. F48 models began production in 2015 with their first model year beginning in 2016. It stands 2.6″ taller and 0.9″ wider than the previous E84 X1. However, the F48 X1 actually receives a 3.5″ shorter wheelbase and 0.6″ shorter overall ...Overall, the B48 demonstrates better reliability and fewer repeat faults compared to the N20. However, it lacks the proven robustness of BMW’s N55 3.0 liter twin turbo inline 6-cylinder. The N55 powered many 3 and 5 Series, X3s, X5s and more from 2009-2018 relatively trouble free, especially when properly maintained. The B48 strikes a …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...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...When it comes to planning a vacation, there is no substitute for the expertise of a professional travel agent. With so many options available, however, it can be difficult to know ...Sep 10, 2023 · Overall, the B48 demonstrates better reliability and fewer repeat faults compared to the N20. However, it lacks the proven robustness of BMW’s N55 3.0 liter twin turbo inline 6-cylinder. The N55 powered many 3 and 5 Series, X3s, X5s and more from 2009-2018 relatively trouble free, especially when properly maintained. BMW N63 Reliability. The N63 engine is an exceptional one, yet it still can present some challenges. These include oil consumption, fuel injector failure, battery draining and worn valve stem seals. Many of these issues can be avoided with proper maintenance and system upgrades, saving both money and headaches in the long run.Drives: E90 335i M-Sport LCI. Join Date: Oct 2018. Location: East Bay Area, CA. iTrader: ( 0) Pure Stage 2 100K mile N55. I am considering getting the pure stage 2 upgrade for my e90 N55 sedan. I'm at close to 100k miles and I'm wondering if you all think it's still worth the investment. I have a shop I trust and they quoted me a pretty good price.Despite its impressive performance, the N55 engine is also known for its reliability. While the engine is not immune to issues like any other complex mechanical system, it has proven to be a significant improvement over the older N54 engines in terms of reliability. N55 Engine Durability. The BMW N55 engine is known for its reliability and ... The N55 and B58 engines are similar in that they are both three-liter straight-six engines developed by BMW and have won various awards. 🚗 The oil filter assembly in the B58 engine has been relocated to address reliability issues seen in the N55 engine, specifically oil leaking on the serpentine belt.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 …Drives: E90 335i M-Sport LCI. Join Date: Oct 2018. Location: East Bay Area, CA. iTrader: ( 0) Pure Stage 2 100K mile N55. I am considering getting the pure stage 2 upgrade for my e90 N55 sedan. I'm at close to 100k miles and I'm wondering if you all think it's still worth the investment. I have a shop I trust and they quoted me a pretty good price.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. 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...Mar 17, 2020 · The S55 significantly enhanced its reliability over just about every previous M-series engine. And the B58 has been a very reliable and capable engine to date. Starting with the BMW N55 and S55, BMW reliability began to hit an upswing, luckily that reliability carried into both the BMW B58 and S58. 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. N55 vs N57 reliability. I am well aware that these are 2 completely different engines. N55 is a petrol, while the N57 is a diesel engine. Im considering getting the N57 because its a diesel. Good mileage, and pretty sure they run forever if maintained properly; but unlike its older, bulletproof brother, the M57. The N55 comes highly rated minus some known problems (charge pipes, etc) if you don’t plan on modding it, and there’s not much else that seems to reliably go wrong, outside of normal car shit. Cars are always a crapshoot in the end - what some people get 200k worry free miles out of is another person’s car that needs five figures worth of ... 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 ...23 Sept 2023 ... ... N55 on this channel! The N55 comes in a LOT of BMW cars and SUV's including the 135i, 235i, 335i, 435i, 535i, X5, X6. Its a single turbo all ...Total Ideas on the BMW N55. Reliability Rank: 3. Tuneability Rank: 3. Worth Rank: 2. The N55 does not earn the highest remarks for reliability, it is not to …N55 remedied a few of the big issues that the n54 had. Injectors are a new design, the hpfp is the same but is at least a later revision part number, the oil pickup was redesigned to reduce starvation issues and frothing, blowby ports were added to the head to prevent carbon accumulation on the valves, and coolant passages were revised to have …N55 vs N57 reliability. I am well aware that these are 2 completely different engines. N55 is a petrol, while the N57 is a diesel engine. Im considering getting the N57 because its a diesel. Good mileage, and pretty sure they run forever if maintained properly; but unlike its older, bulletproof brother, the M57.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. Jan 8, 2024 · Conclusion: The B58 Shines in Reliability. In a head-to-head comparison, the B58 emerges as more reliable than the N55. With fewer major issues and a robust design, the B58 provides both performance and tuning potential while maintaining its reliability over time. The B58's innovations and advantages overshadow the N55, despite the fact that it ... BMW N55 Reliability. If BMW understood the N54 would be capable of dealing with as much power as it was eventually pressed to by the tuning neighborhood, we are not sure. One thing BMW understood for sure, though, is the N55 needed to offer better reliability. The high-pressure fuel pump concerns that pestered the N54 was still a …However, the N52 still has its fair share of common reliability problems. We’re going to address the 7 most frequent engine issues the N52 experiences. Due to the engine design, the BMW N52 has proved more reliable than its bigger brother, the N54. Because the N52 doesn’t have an HPFP or direct injection, these are two common N54 …In this guide, we’ll provide a comprehensive overview of the 3.0L twin-turbocharged BMW S55 inline-6, outlining its specs, upgrades compared to the BMW N55 off which it is based, its overall reliability, and some of the most popular S55 performance modifications.. BMW S55 Engine Specs. Engine: BMW S55 Engine. Configuration: Inline …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 …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 …We look at 14 of the best mods and upgrades for your N55 engine and we talk about tuning them to 400, 500 and over 800hp. This video will show you where to s...Jan 7, 2023 · Horsepower. 302-445 hp @ 6,000 RPM. Torque (lb-ft) 295-502 lb-ft @ 4,000-5,000 RPM. In terms of the BMW N55 ’s specs overall, they are quite similar to the BMW N54 engine that preceded it. There were a few notable advancements in BMW engine technology that were introduced on the BMW N55. 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 …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 ...I've always been a huge fan of BMW's naturally aspirated Inline-6 engines, so it's a shame that they've been holding back on the U.S. market in order to push more turbo engines, especially when those engines have more reliability issues. The N55 is definitely quieter and has less intake noise compared to the F10 528i, but the exhaust note is ...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 …To cover some basic information, the BMW N55 is an all-aluminum 3.0L straight-six engine with dual overhead cams, variable valve timing, and variable valve lift. Bore measures at 84mm and stroke at 89.6mm. This brings the total displacement up to 2,979cc. This is the same displacement, bore, and stroke as the BMW N54 before it, and …Jan 7, 2023 · Horsepower. 302-445 hp @ 6,000 RPM. Torque (lb-ft) 295-502 lb-ft @ 4,000-5,000 RPM. In terms of the BMW N55 ’s specs overall, they are quite similar to the BMW N54 engine that preceded it. There were a few notable advancements in BMW engine technology that were introduced on the BMW N55. Dec 12, 2023 · 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 reliable than the N54. 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. Jun 4, 2023 · BMW S55 Reliability. In the beginning, the reliability of BMW’s turbocharged engines was a serious point of contention amongst potential buyers. The N55 was truly one of the first turbo BMW engines that could truly be considered reliable. Luckily, that carried through to the S55 as well. N55 engine reliability . So I am looking into buying a 2016 M235i with about 21K miles on it and was wondering how reliable is the engine. And suppose it was well maintained, how long should I be able to go with it before I’ll start doing some serious maintenance? comments sorted by Best Top New Controversial Q&A Add a Comment. …
M235i (N55) Reliability. I’m currently viewing a 2016 M235i with 44k miles on it. Certified until 2021 for $29k. My next option is a 2018 370z CPO with 20k miles for 7 yrs/100k miles for $28k. I love BMWs. I drive a BMW right now (NA). I am so hesitant of getting an “M” car because of the nightmares I hear about them after the warranty .... Tattoo forearm name
N55 vs N57 reliability. I am well aware that these are 2 completely different engines. N55 is a petrol, while the N57 is a diesel engine. Im considering getting the N57 because its a diesel. Good mileage, and pretty sure they run forever if maintained properly; but unlike its older, bulletproof brother, the M57.Sonicendeavor. 1986 posts · Joined 2013. #7 · Nov 16, 2015. The N55 has proven to be reliable. There are one-off exceptions of course, but there haven't been any common problems like the N54 hpfp or the various N63 problems, or the N20 recalls. I'm not aware of any N55 recalls at least over the past three years.If you want massive power, you’d be better off putting that money in an N54/N55 car. If budget allows, consider a B58 or S58 powered BMW such as the M340i or M3 as these provide ultimate performance. For lovers of the classic NA straight-6, you’d be better off spending that money on reliability and suspension mods for your M54 or N52 BMW. sparksjet. • 8 yr. ago. BMW Technician here and '13 135is owner (N55). They are phenomenal cars and fairly reliable outside of the normal BMW stuff (cooling systems for example). PM me if you have specific questions. 3. [deleted] • 8 yr. ago. true. 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 …Jan 8, 2024 · Conclusion: The B58 Shines in Reliability. In a head-to-head comparison, the B58 emerges as more reliable than the N55. With fewer major issues and a robust design, the B58 provides both performance and tuning potential while maintaining its reliability over time. The B58's innovations and advantages overshadow the N55, despite the fact that it ... BMW N55 engine modifications and differences. 1. N55B30M0 (2009 – present) is a basic version of engine with the following specs: Power – 306 HP at 5,800 …BMW N63 Reliability. The N63 engine is an exceptional one, yet it still can present some challenges. These include oil consumption, fuel injector failure, battery draining and worn valve stem seals. Many of these issues can be avoided with proper maintenance and system upgrades, saving both money and headaches in the long run.The N55 and B58 engines are similar in that they are both three-liter straight-six engines developed by BMW and have won various awards. 🚗 The oil filter assembly in the B58 engine has been relocated to address reliability issues seen in the N55 engine, specifically oil leaking on the serpentine belt.Overall, the B48 demonstrates better reliability and fewer repeat faults compared to the N20. However, it lacks the proven robustness of BMW’s N55 3.0 liter twin turbo inline 6-cylinder. The N55 powered many 3 and 5 Series, X3s, X5s and more from 2009-2018 relatively trouble free, especially when properly maintained. The B48 strikes a …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 ...An F10 with N63TU is pretty solid. N55 is also solid. I've been totally happy with my 2014 N55. 8 years and 63k mi and <knocks on wood> no real issues. Just a rat chewing on my oil level sensor, which I wouldn't say is a BMW issue. The f10 Facelift (after 2013) is reliable because the engine got reworked.Reliability; S63B44O0: 2010-2013: E70 X5M, E71 X6M: Suffered from many issues. We recommend you stay away from early S63’s. S63B44T1: 2011-2018: F10 M5, F12 M6: Massive improvement from the original S63. Complete rework in many aspects. S63B44T2: 2015-2018: F85 X5 M, F86 X6 M: Further reliability and power improvements. …Following that was the N55, an updated and evolved version of the N54, designed to be more reliable and capable in all situations. BMW N55 Information & …The N55 in my car has about 42k miles on it and it runs really smoothly and reliably except for one little issue, which may or may not be the High Pressure Fuel Pump (HPFP). Sometimes it takes a long time to start, no longer than 2-3 seconds, but it's still longer than it should take. Total Ideas on the BMW N55. Reliability Rank: 3. Tuneability Rank: 3. Worth Rank: 2. The N55 does not earn the highest remarks for reliability, it is not to ….