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, 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.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, …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.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 ...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...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 ... 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 ... Questions on tune/reliability for the n55. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018 ... 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...Nov 18, 2016 · 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 greater control over cylinder head temperature and ... 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. 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.Learn about the BMW N55 engine. N55 engine problems, reliability, tuning, bolt-ons, fueling upgrades, and more. BMW N55 400+hp & more.On the other hand, BMW designed the B58 as the direct successor of the N55, powering many vehicles ranging from the 2-Series M240i to the gargantuan X7 40i. Similarly, it has been regarded as a significant improvement over its predecessor in terms of power delivery, reliability, and tuning.I have a 2014 535d and so far has been very reliable. The only problem I see on line is the high pressure fuel pump. Most people believe the pump fails because there is water in the fuel. BMW has extended the warranty to 100k/10years . However, BMW's in general requires more maintenance and will have more small problems compared to …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.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 ...Finding a reliable art appraiser is essential when you need to determine the value of a piece of artwork. Whether you’re looking to sell a piece, insure it, or just want to know it...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.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 ...n54 is much much easier to tune and more mod friendly, but note the n55 could also easily reach the numbers you're looking for. It's not until you get into the 500 range that the N55 would struggle compared. N54 HPFP have long extended warranties now ( 10 years ) . While each engine has its own quirks, I'd go for the n54 almost always over the ...Dec 8, 2011 · N55 reliability question. I’m very curious of the reliability of the new N55. I owned the 535/ N54 and experienced many problems with numerous HPFPs & injector replacements. In late 2010, I had taken advantage of the BMW Buyer Assist program and purchased a new F10 528 and logged 34k trouble free miles. BMW N54 vs. N55 Comparison: Horsepower, Reliability, and Tune-ability. Next. The 7 Fastest N54’s in the World: 135i, 335i, 535i Horsepower Records. Similar Posts. Pin. N54. BMW N54 Ultimate Data Logging Guide – JB4 Data Logging. By Zach Mayock December 15, 2019 July 18, 2023. We recommend Burger Motorsports JB4 tune not only …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 …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. This leaves us with only two more spots to …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.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. For 2011 model year, the BMW N55 engine largely began phasing out the N54. However, the original 3.0L inline-6 remains in some premium performance cars. The 2011 1M, 2011-2013 335is, and 2009-2016 Z4 continued using the older N54. BMW N54 Engine Specs. Specs for the BMW N54 inline-6 twin turbo engine are as follows: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.Jun 11, 2012 · 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. 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 ... If you’re in the market for a used engine, you know how important it is to find one that is reliable and in good condition. With so many options available, it can be overwhelming t...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 …Are you in search of a reliable gas fireplace dealer near you? Look no further. In this article, we will guide you through the process of finding the best gas fireplace dealers in ...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 …My n55 has been modified for nearly 20k miles now with no issues, so you shouldn’t have any problems stock. The only recommendation I would give is swapping out that flimsy …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. 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 ... Jun 11, 2012 · 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. Finding a reliable art appraiser is essential when you need to determine the value of a piece of artwork. Whether you’re looking to sell a piece, insure it, or just want to know it...Choice Hotels are squarely in the mid- and lower-tier group of hotel chains. But look closer to find hidden gems. Let's take a Choice Privileges deep dive! Increased Offer! Hilton ...Questions on tune/reliability for the n55. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018 ... Feb 27, 2020 · The BMW N55 is a 3.0L inline 6 turbocharged, direct-injected gasoline engine produced from 2009-2019. BMW’s N55 engine succeeded the N54 engine, but moved to a single-turbo design as opposed to the twin-turbo N54. The N55 also followed the N54’s footsteps winning 3 straight Ward’s 10 Best Engines awards. It is most notably found in 2011 ... 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 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. 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 …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 ... 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 ... 2009 BMW 3 Series. Reliability Ruling: Not The One. We keep looking for a fifth-generation 3 Series worth owning, but the 2009 model year isn’t it. It gets a D grade (a reliability score of 2) from Consumer Reports, and engine issues still get reported to NHTSA (although it’s better than in earlier years).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...Finding a reliable art appraiser is essential when you need to determine the value of a piece of artwork. Whether you’re looking to sell a piece, insure it, or just want to know it...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.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 ... 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 ...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. CSL Elite F1 vs G29 Reliability. Veloster N vs Challenger AWD. reReddit: Top posts of October 4, 2020. reReddit: Top posts of October 2020. reReddit: Top posts of 2020. true. 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. 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. 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 ...The M2 also gets a new exhaust manifold and intake plumbing for its N55 engine, allowing for better airflow. BMW claims that boost pressure is indeed up from the standard N55 engine, but not by ...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. Nov 24, 2022 · Displacement: 2979 cm 3 / 181.8 inch 3. Stroke: 89.6 mm / 3.53 inch. The BMW N55 engine is a younger brother to the N54 and first came out in 2009. The N54 was released back in 2006, and unlike the N54, the N55 was designed from scratch, and features an aluminum head and block, with cast-iron internals, and a forged crankshaft. 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 ...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 ... 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. The B58 has a higher power ceiling, especially when you are talking about stock turbo vs stock turbo, but that doesn't speak directly to long term reliability. Also, the N55 went through a few iterations/variations, as generally speaking the final version of an engine is more reliable than early iterations as they have worked out many of the kinks.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 …Like At least 2014. - What are the most common problems. After buying the car it's must to look into these problems afterwards consider changing/fixing. Example (most common problems): - Timing Chain. - Valve Cover and Valve Cover Gasket. - Water Pump Failure. - Leaking Oil Filter Housing Gasket.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...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 ... 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 …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. This leaves us with only two more spots to …The M2 also gets a new exhaust manifold and intake plumbing for its N55 engine, allowing for better airflow. BMW claims that boost pressure is indeed up from the standard N55 engine, but not by ...Jul 10, 2011 · While the N55 is smooth; there is a certain courseness to it and the more vibration seems to permeate the car when under load. On the other hand, my N54 can't really compare since it has a roaring exhaust, it is a bit hard to keep that out of the equation. As for power delivery, the N52 is very linear. 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. Are you in search of a reliable gas fireplace dealer near you? Look no further. In this article, we will guide you through the process of finding the best gas fireplace dealers in ...BMW has long been revered as the Ultimate Driving Machine, and these engines live up to that expectation. The N54 and N55 offer both flexibility (BMW provides factory-backed tuning upgrades) and reliability as long as oil changes are performed regularly and no overheating occurs.. The main difference between BMW N54 and 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. The BMW N55 inline-six engine debuted in 2006 as an upgrade from its predecessor, the N54. Equipped with Valvetronic and VANOS technologies, it stands out for its power and BMW N55 reliability. As with any engine, this one can be customized to produce impressive power on the dyno. However, like all engines it does have some …Questions on tune/reliability for the n55. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018 ... 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. If you’re in the market for a used engine, you know how important it is to find one that is reliable and in good condition. With so many options available, it can be overwhelming t...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 …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 …Craigslist is a great resource for finding reliable cars at an affordable price. With a little research and patience, you can find the perfect car for under $2000. Here are some ti...
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. . Xxl dog crate
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...N54 vs. N55 Engine Reliability: Which Is More Reliable? When discussing the N54 and N55, this is usually a contentious issue. Simply said, the N55 is more trustworthy. BMW's N54 was the company's first mass-production turbocharged gasoline engine in decades. Given BMW's current lineup, which is primarily turbocharged, I feel it …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.Nov 18, 2016 · 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 greater control over cylinder head temperature and ... 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.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.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 …If you own a Dimplex appliance and are in need of service or repairs, it’s important to find a reliable service provider near you. The first step in finding reliable Dimplex servic...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 …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.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 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. 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. After the first 4 years in operation under the ...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 ...It’s a toss up between the N55 and the N20. N63 is more problematic overall, but I haven’t seen many just lock up Reply reply More replies More replies More replies. StevieG63 • The early ones had a major recall although it wasn’t officially called that. I had a 2012 X5 50i at the time and the dealership had the car for over a week. The service report was pages …Users share their experiences and opinions on the N55 engine in BMW models, especially the M235i convertible. They mention common issues, maintenance tips, and ….