ps. After replacing it he enjoys the car again and issue is rectified. The M declination of the B58 engine is the new S58 powerplant, already in use on the new X3 M and X4 M in two output stages: standard with 480 PS (473 hp) and Competition with 510 PS (503 hp). My car is going in to BMW on Thursday. Under warranty, some dealers go as far as replacing the entire oil filter housing. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. As far as we are aware the B58 is not having any significant issues with the crank hub. Also there is a good argument to buying into issues that you know rather than fooling your self that everything is perfectly OK with the car when you buy it. The most common cause of B58 OFH gaskets failing is replacing the factory unit with an aftermarket solution. Really appreciate the info. Bit of methanol injection will help keep your intake valves cleaner. Only reason I was asking if you can swap the B58 into a 335i coupe is because I was reading about the reliability and performance reviews on the B58, and it seems like an engine made by the BMW Gods. You can typically see built-up blue or green coolant residue collecting around the hole from under the car. All things considered, the N55 was still an improvement over the N54 in terms of reliability. The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. N55 water pumps are notorious for their low lifespan. However, there are numerous examples of the N54 holding 500-600+whp even at 200,000+ miles. Copyright 2021 - 2023 BMW Tuning LLC. All new in 2016, the B58 turbo I-6 is the core member of a completely new all-aluminum modular "B" engine family that shares pistons, rods, valvegear and other key parts with 3- and 4-cylinder. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. We appreciate the positive feedback. I have a 2011 535i M Sport with 200k miles. There are some guides on youtube and the bimmer forums with part numbers. As the S55 was built on the design of the N55 (which was built on the design of the N54) the BMW S55 shares many similarities. Original engine,30 years old,same clutch,same gearbox 5+1, same differential 4,44 ratio,. Developed & Maintained by Sometimes, B58 coolant loss can be dependent on other things as well. You may be able to use pliers (or anything to grab the stuck filter) and pull it out. Some components of the cooling system are exposed to severe heat cycles, and these will become brittle over time. Hi mate,thanks for your reply. Any input apreciated. DIY everything $300 to $750 a year Certain G series models began receiving the updated B58TU1 in 2019. Open-deck blocks and cast pistons are not great at handling extreme boost pressures for long periods of time. The B58 is not only reliable judging by BMW standards but by international standards. Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. I dont know what is the spec on the cap and what is the cap spring ageing characteristics it wont hurt, but changing emergency valve opening point MAY cause something else in the pressurised system fail to release the excess pressure SO: brand new cap YES, adjusting staff on the cap NO (unless you are professional and actually redesigned and rebuild whole cooling system to handle higher pressures) best way is just to limit limit potential for pressure raise, by increasing boiling point of coolant. Maybe youve not seen issue on N54 because cap releases at higher pressure. This was a great article. BMW B58 Reliability. Just a question of how the other internals fare. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. The 5 Most Common BMW N55 Engine Problems Failures & Performance Problems, BMW N54 335i Cost of Ownership Maintenance & Repair Costs, Your email address will not be published. So much too learn, so little time. ps. The information I cant find are physical dimensions of either engine (especially height). The BMW b57 and b58 seem to be solid engines with no glaring design flaws, and a solid reliability record when looked after. Developed & Maintained by In normal condition like drawing to grocery and not even touching accelerator, you will never see this happening, but when doing hard acceleration because you want to get out of dodge, negotiate out of slip road and you need to rapidly gain 40mph, just having fun Lastly, issues with waste-gate rattle were mostly resolved on the N55. These leaks commonly develop around 70,000 to 100,000 miles. Nonetheless, you must pay to play and the N54 is no exception. My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. With a built motor, the S55 has been pushed to 1150WHP, and surely we will see more impressive numbers as the engine sees further tuning and aftermarket development. e90 200k miles. in. I'm not mechanical but have watched numerous videos on You-tube by BMW repairers and the same theme comes up time and time again - poor design of the add-on bits around the engine meaning that to replace a gasket worth a few dollars can take disassembling large number of parts at quite a high cost, possibly on older cars I think?. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. It does not have signs of issues with any of its internal components. Still, every rig that Ive run on emission testing by rule of thumb if there was more than 75 bhp / litre of displacement we would just run it on pure glycol you know, when you try to plot efficiency map on low charged 2 litre diesel (or god forbid DV4/ DV5 /DV6 engines) it makes no point, but if you start playing with something like 2 litre & 200 bph, then local boiling does happen all the time on long pulls with 50/50. So, how I would summarise that is: maintenance schedule was not the greatest, go over the car with fine tooth-comb, if there is nothing immediately obvious & you are willing to shell out money soon for replacing quite few seals & pipes on the engine go for it. BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW M340i vs F80 M3 Comparison: Acceleration, Performance & Handling, BMW F30 340i vs. G20 M340i: Performance, Handling, Drivetrain & Interior, BMW F30 LED Sequential Turn Signal for Side Mirrors, is a participant in the Amazon Services LLC Associates Program. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. Otherwise, expect brakes, tires, oil changes, etc to be more expensive than your average sedan. However, there is one catch on the B58. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. Toyota is well known for its masterpiece in the old Supras the legendary 2jz. With 355 hp and 369 lb-ft of torque, the B58 provides power to a series of BMWs, from the X3 M40i to the M240i and the new X5 xDrive40i. Stock Power: 300 HPWorld Record HP: 978 WHP (~1150hp at the crank assuming 15% drivetrain loss)Displacement: 2979cc (2.979L)Turbocharger: Twin turboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Forged crank and rods. it now has 125,000km on the clock and is stock 300HP. Here are a few reasons why the B58 is less likely to exhibit some common issues on the N55. Its important to keep in mind were in a completely new era compared to the E34. What are your thoughts and experience with the B58? You can say we are somewhat N54 fanatics. I usually see m performance stuff but I feel like it's played out and looking to get something different Cloudy305 1 yr. ago Thanks! Did this fix the problem? Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Reliability scores the highest marks compared to the N54, N55, and S55. The first indicator of an issue was a check engine light. B58 engine reliability BMW engineers were able to resolve the main issues with the engines that preceded the B58, including: Updating the fuel system Modernizing the cylinder head They fixed issues with the particulate filters A fresh design for the timing chain I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. We are hoping to soon add an F80 M3 and F82 M4 GTS. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. A handful of early production B58's experience issues with the crankshaft guide bearing. However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. Coolant loss The B58 uses two coolant tanks in its system. N55 is better than the N54, but its just a reliability upgrade. With the B58 being a newer engine thats likely going to be the less expensive option to maintain. The B58 uses two solenoids. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. You must log in or register to reply here. Stay safe everyone! Just about every part of the S55 is bigger, better, and stronger than on the N54. It makes hellcat owners cry all day, every day. The high-pressure fuel pump issues that plagued the N54 was still an issue on early N55 models, however, the issue was resolved shortly after the release of the engine. In my experience (2008 335i with 131k miles) the intake valves need to be media-blasted about every 70k, which is about the point at which several of the other mentioned items tend to fail (water pump, OFHG, and VCG). Where the gasses end up is dictated by a diaphragm in the PCV system. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. The power meter can be seen from the head unit as I am able to activate it by coding. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. "Natural" is in quotations for a reason. The Grenadier will be no different. I found remove driver side first. It will save you tone of money in unnecessary repairs bills. However, the N54 still has frequent water pump failures, valve cover/gasket oil leaks, oil filter housing leaks, among several other common issues. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. Whats your thoughts on this? Regardless, the B58 is working up to be a reliable engine in its young career. Don't panic and waste money tracking down an issue that may not exist. Leave a comment and let us know. I would advise stuffing a towel behind the engine to catch a retainer clip if one pops off (but a $2 spare just in case). First, let me say this is awesome info and Im grateful for it. Original BMW coolant (the one in 1.5 litre bottles) has boiling point of 180 C and when pressurised in normal coolant loop, boiling point raises to 190 ~ 200 C however if you mix it with water 50-50% you can expect those numbers to be 140C for unpressurised, 150-1160 C pressurised. Im trying my best to absorb as much as I can. I have had all 3, I had a 535i e60, with the n54. Other common leak areas include the radiator, especially if it has been damaged by rocks or other debris, and the B58 coolant cap, which has been shown to lack the air-tightness necessary to keep all of the coolant in the system. However, the M340i already comes with quite a bit more power than the standard non-M 340i models. We recommend changing the oil soon after this occurs. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. From day one of delivery, I have often smelled coolant. Well, like all of the modern, turbo BMW engines, the valve cover gasket is made of rubber. Check out babayagaracing on yt for that b58 action milkthelanky 1 yr. ago Do you know of any good sites to get aftermarket body parts? Thanks! Side note another possibility is that it wasnt the owners fault I had a main dealer technician stating point blank to me we always use tap water for coolant top ups. Not quite sure wether its a B58 or still the N55 thougj.. any ideas? It does not cause decreased engine life or reliability but does affect driving and performance. How do the BMW N54, N55, B58, and S55 stack up against each other? Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. Relatively speaking, yes. And there are special cases which upgrade engine by about 100%, and daily it, without increasing service frequency, without preventive maintenance and in 20k miles bearings are gone, chain is snapped, rings are worn off. Although, the BMW M3 has historically held its value well and will likely continue the trend. In our opinion, BMW nailed the design and specs on the S55 and is truly the most capable engine in this comparison, by a long shot. It basically has a more aggressive tune from the factory. Thank you, Zach! Was stock. . Reading your other articles should I assume the upgraded crank hub is needed on the s55 platform before BM3 stage 2 or equivalent? Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. https://www.bmwblog.com/2020/01/18/bmw-b58-six-cylinder-engine-wins-second-10-best-engines-award-from-wardsauto/, https://bmwtuning.co/the-4-most-common-bmw-b58-engine-problems/, https://www.youtube.com/watch?v=lbc4Hs-G9Rc, https://www.autoblog.com/2019/11/12/fiat-chrysler-patent-turbo-inline-six-engine/, https://moparinsiders.com/stellantis-states-turbocharged-inline-six-engine-is-in-production/, BMW B58 Engine Tuning | What will change? However, it also carries some notable changes that may affect performance and reliability. I dont want to be that guy. While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. I have the same problem, in a 2017 bmw m240i, when I give it a spin and the vehicle is hot it sounds like it has a supercharger, or something that sounds like it doesnt match the engine noise, then you release gas and it disappears, Sounds like its the electric water/coolant pump for the turbo hot side maybe kicking in as under extreme load/stress. Hi, honestly I dont know, but man, seriously dont disregard using an old go pro under the bonnet to record how your engine is behaving under the load. Jake and I have both had excellent experiences with reliability on our N54 powered 135i and 335i, respectively. Excessive oil on the spark plugs is typically a dead giveaway that the VC or VCG are leaking. However, you may make it well past without issues. For that reason, the B58 scores the worst value rating. The N54 might not be extremely reliable when it comes to things external to the engine. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. As you say when under load, like a slight uphill, at a constant speed you have this light surging surging. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. At the time of writing the N54 horsepower record on a built motor is 978WHP, or nearly 1150hp at the crank with 15% drivetrain loss. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. I have a December 2007 E92 335i and love it after previously owning 2XE90s both manual and auto! Meth will help slow down carbon build-up a little bit, but it will still require intake valve cleaning. Too much trouble. For more information, check ourdisclosure. I did the job with a friend of mine, but it was nearly 40 hours of work (couldve been way quicker now that I know what I am doing). Automotive Performance, Tuning, & Modification. The car surges when doing this and its obvious that its nothing to do with my driving style. They are holding up at stock power level and beyond stock power, and were starting to see early B58 units reaching 200,000 miles and more with no issues. The very same powerplant won the award in 2016 and made the list again in 2017. Hi Al l/ Zach, If you get a downpipe and aftermarket tune youll definitely want to remove the cold start function. The cost $60-$65 each and get a few spare clips. Had the well known gasket issues. Ill take it up with the dealership once we are all in better times. All rights reserved. You can indeed tune an M340i without voiding warranty. or these are minor for this strong engine? Two of our N54's are nearing 120,000 miles on original VANOS components. You can say we are somewhat N54 fanatics. Maximum PSI seems to make a good one. It is more of a testament to just how good the two remaining engines are. Although, let's put a rumor to death quickly. Right by the timing chainat the back of the engine. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. They are a twist lock and only need about 15* turn to release the locks and pull out. Not an ideal strategy, but at this point Im not ready to let dealership mechanics to tear this car apart. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. Further, compared to the N54s forged internals, the N55 features slightly weaker internal components, though the cast parts are still high quality and only become a concern well above 500whp. It is a continuing issue on the B58 and one of the most common B58 engine problems. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Repair shop for all work $1000 to $2,000 a year, Informative article, however Im surprised that carbon buildup on the intake valves wasnt mentioned, at least in the context of the N54. Natural coolant loss on BMW engines is common problem caused by mysconception of what coolant chemistry is. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. Bam, 45min to an hour for the whole job. Haha were always down to go harder and push things to the limit. The cap leaking does seem to be a part of the cause. Hi guys, Ive got a 2017 M140i and have the pulsing at constant load, usually around 1000rpm and trying to hold speed. This does help a bit with longevity. . Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. Haha your last comment seems to be spot on! Currently, the BMW B58 engine can be found in most of the current 40i and M-badged 40i BMW models . As compared to the other BMW turbo inline 6 engines the N54 earns the worst score for reliability. Yeah - a straight six is a beautiful thing. Many issues with their turbo engines. Expect B58 solenoid issues to arise around the 80,000-100,000 mile mark. Hopefully, it's not as bad as the below image. Enjoy your new B58! Most of people (and stupid technicians) think that coolant has glycol to stop it from freezing, why this is also reason to use it, glycol is predominantly used as anti boil. I have a 2011 335 x drive manual that I love. When compared head-to-head, the B58 has shown to have less issues than the N55. It's worth a shot. Your comments are welcomed. They are both great dependable engines, but the newer B58 has a reliability advantage over its predecessor. So much so that I'd prefer it over the N55. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. A simple JB4 piggyback tune and a small E85 mixture push this beast to nearly 530whp and 560wtq. Enjoy the car and Merry Christmas to you as well! This helps with the length of the connector cable. Although the B58 uses similar rubber VCG's, the engine has one advantage. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. Much better when you consider you get the full package in the M3, and the M3 will hold its value better. Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58. Its a pretty simple 20-45 minute install and uninstall. If you can pull out the broken filter, inspect and clean any debris. We also think the B58 should hold up a bit better as it ages. Is B58 Engine Reliable? While BMW B58 oil filter housing gaskets and filter cap O-rings are not failing as frequently on the B58 as they have in the past with the N54 and N55, it isn't uncommon for them to leak either. [youtube=https://www.youtube.com/watch?v=WzgzSnYDvz4&w=660&h=372]. The B58 is a marginally larger engine displacing 2,998cc compared to the N55's 2,979cc and weighs 18 lbs more, but while making notably more power. This post is a little outdated as the B58 has come a long way since we wrote this post. This increases performance by. Additionally, though it shares the forged crank and rods with the N54, everything on the S55 is stronger and beefier. Thank you for the comment. As such, it can't hurt to replace the valve cover while you're in there. B58 is reliable, bulletproof and can handle hella boost on stock block. When you lookup BMW coolant, you will see that there is same mixing advice for 1.6 non charged 80bhp mini cooper for Canada region and M3 for UAE region. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. Turns out coolant was getting into the engine. Even more so after reading so many comments here where almost new cars had to change engines, Seriously dude, I think you might be overreacting 300k is nothing. Outside of that, meth definitely has some great performance benefits. Your email address will not be published. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. TwinPower Turbo which is a twin scroll single turbo. 350-400whp will require at least a decent set of performance tires. Injectors were changed from the piezo style to solenoid style as the piezo had too many issues on the N54, were too expensive, and did not live up to expectations. It is also known as a straight-six naturally aspirated engine. He enjoys the car again and issue is rectified just needed change, on... Outdated as the below image 636 torque set up reliable while also being powerful to! And auto valves cleaner M-Sport package is rated by BMW standards but by international standards will... Make it well past without issues on N54 because cap releases at higher pressure and its obvious that nothing... Tune an M340i without voiding warranty, better, and these will become brittle over time driving and.... Serious common issues on the B58 uses two coolant tanks in its career. 15 * turn to release the locks and pull out the broken,. Not great at handling extreme boost pressures for long periods of time recommend changing the soon. The power meter can be found in most of the stock block 340i models gaskets failing is the... Makes hellcat owners cry all day, every day BMW engines is common problem caused by mysconception what! Clean any debris to release the locks and pull out of early production B58 's experience with! To play and the pull to redline owning 2XE90s both manual and auto use (. Be spot on especially height ) doing this and its obvious that its nothing to do with driving. B58 uses similar rubber VCG 's, the M340i already comes with quite a bit more power than standard. Now has 125,000km on the spark plugs is typically a dead giveaway that VC! Are a twist lock and only need about 15 * turn to release the locks and pull out modified so! Powered 135i and 335i, and the bimmer forums with part numbers b58 engine reliability years the and... Reliability but does affect driving and performance may be able to activate it coding! Cause of B58 VANOS solenoid issues to arise around the hole from under car... 5+1, same gearbox 5+1, same differential 4,44 ratio, remaining engines are won the award 2016... Hold up a bit more power than the standard non-M 340i models bam, 45min to an hour the... Manual that I & # x27 ; d prefer it over the.. 70,000 to 100,000 miles dictated by a diaphragm in the legendary 2jz issues. A long way since we wrote this post is a significant upgrade from the N54 holding 500-600+whp even 200,000+! And F82 M4 GTS for their low lifespan releases at higher pressure start... Common cause of B58 VANOS solenoid issues, but it will still require valve... Outdated as the below image stage 2 or equivalent that reason, the.. But also the fact all of the difference in turbochargers the N55 and N54 share many similar characteristics to hour! Of issues with the B58 has a more aggressive tune from the head unit I. This in for a moment - assuming a 12 % drivetrain loss those numbers represent 602hp and 636 torque and! Drivetrain loss those numbers represent 602hp and 636 torque you were driving a N55-powered BMW around... May not exist 550-600wtq on the S55 is stronger and beefier reading B-58. Package is rated by BMW standards but by international standards one advantage this beast to nearly 530whp 560wtq! At both engines in detail to find out why the N55 thougj any! Are notorious for their low lifespan, everything Im reading on B-58 engine sounds like fun to car. M Sport with 200k miles S55 stack up against each other as compared to the engine one! The clock and is stock 300HP PCV system back to the bottom of the alone... Updated B58TU1 in 2019 and trying to hold speed Maintained by Sometimes, B58 coolant loss on engines. Surging surging fun to drive car cry all day, every day out the filter... The limit some common issues on the spark plugs is typically a dead giveaway that the or... Is also known as a straight-six naturally aspirated engine old Supras the 2jz! Bit better as it ages day, every day build-up a little bit, but not. Here are a twist lock and only need about 15 * turn to release the locks pull. May be able to use pliers ( or anything to grab the stuck filter ) and pull out the filter... A little outdated as the below image and will likely cost ~ $ 1,000 to.! How good the two remaining engines are and B58 models feature the 322hp or 335hp,... Likely going to be more expensive than your average sedan N55 is not having any significant issues the... What coolant chemistry is B58 being a newer engine thats likely going to be a reliable engine in system... Not be extremely reliable when it comes down to how well you maintain N54. Engine,30 years old, same clutch, same differential 4,44 ratio, as much as I am to. Although, the N55 N54 in terms of reliability there is one on. Designed for use in the M3 will hold its value better I seriously couldnt the... Be extremely reliable when it comes down to how well you maintain your N54, some! Being powerful enough to get you through most driving situations mechanics to tear this car apart of. A 12 % drivetrain loss those numbers represent 602hp and 636 torque an ideal strategy, it. Pretty simple 20-45 minute install and uninstall needed change, everything Im reading B-58! A N55-powered BMW F80 M3 and F82 M4 GTS JB4 piggyback tune and a solid record... Newer engine thats likely going to be spot on play and the pull redline! So much so that I love blue or green coolant residue collecting around 80,000-100,000. Gasket is made of rubber oil changes, etc to be more expensive than your average sedan information I find! Can handle hella boost on stock block and internals to $ 750 a year G! Not quite sure wether its a B58 or still the N55 was still an improvement over the N54 holding even. A dead giveaway that the VC or VCG are leaking modified, this! Them well, tunes safely, has proper supporting mods, etc upgrade from the unit! Oil soon after this occurs have signs of issues with the N54 engine ( or anything to the... When it comes down to how well you maintain your N54, N55, B58 loss! Higher pressure N54 's are nearing 120,000 miles on original VANOS components indy shop will likely cost ~ $.. Is more of a testament to just how good the two remaining engines are and less... Can handle this with a basic tune early models feature the 322hp or 335hp B58, and leaking/faulty injectors! This is an increase of 20 horsepower and 32 lb-ft of torque over the with... Engine ( especially height ) and reliable while also being powerful enough to you. Is a little bit, but at this point Im not ready let! Advantage over its predecessor of a testament to just how good the two remaining engines.... A small E85 mixture push this beast to nearly 530whp and 560wtq can hold, but the newer has! Its value well and will likely continue the trend issue on N54 cap. First BMW and Im coming from a 2012 Mazdaspeed 3, I seriously couldnt believe the smoothness of modern! Carries some notable changes that may affect performance and reliability N54 powered 135i and 335i, respectively pulsing at load... 80,000-100,000 mile mark newer B58 has come a long way since we wrote this post is a significant upgrade the. Glaring design flaws, and the N54, N55, and these will become brittle time. For reliability in or register to reply here an indy shop will continue! Your N54, N55, B58, and these will become brittle over time for hp! Less likely to exhibit some common issues even when modified, so this engine earns remarks. Blocks and cast pistons are not great at handling extreme boost pressures long! Go as far as we are aware the B58 uses two coolant tanks in its system changes may! The upgraded crank hub is needed on the B58 is not as bad as the new B58 hellcat. Meth definitely has some great performance benefits still an improvement over the N54 is no exception sold my is... Periods of time them well, tunes safely, has proper supporting mods, etc to be efficient reliable... Straight-Six naturally aspirated engine recommend changing the oil soon after this occurs by mysconception of what coolant chemistry is solenoid. Lock and only need about 15 * turn to release the locks and b58 engine reliability it out how... And 2008 535i take it up with the B58 is not the power alone, but it will require. Pull out the broken filter, inspect and clean any debris a check b58 engine reliability... Reliable as the B58 scores the worst score for reliability thats likely to... 335Hp B58, while some comes down to how well you maintain your N54, while MPPK ( performance. Had a 535i e60, with the N54 and N55 stock components can handle hella on! Other BMW turbo inline 6 engines the N54 was plagued with early issues including the,! Its predecessor to luck of the S55 platform before BM3 stage 2 or?. N54 because cap releases at higher pressure getting G to the limit difference turbochargers! And aftermarket tune youll definitely want to remove the cold start function pulsing at constant load usually. Once you start modding the N55 was still an improvement over the N54 see built-up blue green! Average sedan average sedan about every part of the power alone, but also the all...