Regardless, the B58 is working up to be a reliable engine in its young career. Im impressed to say the least. However, it's fair to chalk up minor coolant loss to being natural. I own 2 1960s Benzes ; the inline 6 is the same basic unit as used in the Unimogs!Tough as nails and likes to rev. Any bmws with the 40 engine will have the b58 including the Z4 and mk5 supra, Did the crank hub in the S55 get revamped for Toyota? I have decent heat with 5-10 seconds and knowing that my oil is getting up to temp quickly is a really nice feeling. . The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. All BMW petrol engines past n54 run above 100C in normal operation when you press the fun pedal, the coolant temp will rise a bit but locally on cylinder slews it can reach 160 C easily. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common To find out more, read our Privacy Policy. Stay safe everyone! BMW Reliability Most Reliable BMW Engines. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. Outside of that, meth definitely has some great performance benefits. The N54 is a legend in the tuning world, the N55 built off that and improved reliability, and the S55 is a force to be reckoned with in power, tuning, and reliability. 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. BMW used a plastic charge pipe on the N55, and it can become fragile over time. Inline 6s are well known in Australia. Once removed there is no way for BMW to tell the car was ever tuned. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. 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. Change places of where your camera is so you can better locate it etc. This engine was manufactured by BMW in 2015 and was still in use. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. We do know Toyota did re-design some aspects of the B58 for the use in their models. BMW B58 Reliability. Haha were always down to go harder and push things to the limit. 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? There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. We appreciate the input and you bring up some potentially valid points. I'll take my chances with a hugely mass-produced engine thats been detuned. However, the relatively simple single turbo design of the N55 kept things reliable as long as stock power wasnt exceeded by magnitudes. The oil filter housing gasket may leak on the tensioner pulley and belt causing them to slip and possibly break, which can cause serious damage if its sucked by the engine. e90 200k miles. Once youve done it a few times it becomes very quick and easy. Anyway, if you dont have physical leaks on loop & are heavy right footed & have more than 75 bhp / litre of displacement = run pure, dont mix with water. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. Nonetheless, carbon build-up is standard on almost any directed injected engine. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Tuneability ranks number 2, mostly because it is a newer engine with few off warranty. It does not have signs of issues with any of its internal components. Reliability + performance. It's worth a shot. You can say we are somewhat N54 fanatics. 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. We appreciate the positive feedback! I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. 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. Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. The new injectors found on the N55 are not nearly as problematic as the piezo injectors. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. You must log in or register to reply here. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. Hi All . Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. Although, let's put a rumor to death quickly. There are some guides on youtube and the bimmer forums with part numbers. Merry Xmas all from Chris in Canberra, Australia! BMW B58 Engine:-The BMW B58 engine is one of the most famous engines for cars. The first indicator of an issue was a check engine light. Had n55 in a 2011 335cvt, w manual. The bad image of current engines is compounded by the fact of how EASY those are to tune. It basically has a more aggressive tune from the factory. Here are a few reasons why the B58 is less likely to exhibit some common issues on the N55. This was a great article. Displacement sees a small bump to 2998cc, while the compression ratio increases along with a smaller bore and longer stroke. Learn all there is to know about BMW B58 engine tuning and decide if it's for you! Perhaps Im just hyper-sensitive, I dont notice this under any other conditions but I would like to know if its an early indicator of another issue.. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. It is usually just one of the sensors but I would do both anyway. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. Then, after I had an e60 550 totaled by a drunk driver, I got an f10 535i with the n55. We do believe it is better than some suggest, however, if you take the car to the shop for every minor issue and do not DIY an repair jobs the bills can certainly add up quickly. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! JavaScript is disabled. The engine still has not seen significant tuning and aftermarket development, so it is tough to put a number on the upper limits of the engine. And for those with lots of money to spend theres the Ford BARRA 4.0 straight six engine! Replacing B58 VANOS components does NOT require lifting the engine. should i stay away? Yeah the I6 is a lovely engine that, if fitment allows, works great in any Application. As such, it can't hurt to replace the valve cover while you're in there. Developed & Maintained by However, there is one more thing. Unsurprisingly, the success of the turbocharged inline 6 led to its introduction in the F80 BMW M3 beginning with model year 2015. Just remove all the plastic covers and you can get your hand back there. Thank you for the response and enjoyed the articles. Its combination of attributes has no equal among six-cylinder engines on the market. As such, the engine was updated and is quite different from the previous 3 engines discussed. The B58 has more horsepower and torque then the N55. For more information, check ourdisclosure. We are seeing a bit of a resurgence in the I6 recently, now mostly forced induction. Saying that, my 435i when I got it actually had something that looked like mostly water with some blue tint to it which when you put it in between your fingers didnt even feel like it would provide much of lubrication which means previous owner did just garden hose top-ups. It can trap heat for up to roughly 36 hours. 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. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. What kind of HP increase could I expect with the JB4 piggyback tune? As valve cover and oil filter housing leaks are common on a lot of BMWs I would not be surprised to see these issues popping up as the engine continues to age. Well do our best with a rough estimate but it really can vary a lot based on age, mileage, driving style, etc. For more information, check ourdisclosure. All rights reserved. They are a twist lock and only need about 15* turn to release the locks and pull out. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. Hardly worth mentioning as it is only a handful. Bimmerly is a hub for BMW enthusiasts. ps. It is recommended to check regularly your cooling hoses to avoid leaks and failure. 2015 335i 4 series coupe has been a great auto. Yeah I agree with Tazzieman completely. Considered my car is stage 1 tuned. The B58 is also more fuel efficient than the N54, with an EPA rating of 26 mpg combined compared to the N54's 23 mpg combined. Ultimately its up to you ( sorry for being blunt, but keep reading there is a point to that ;D ), brand new car = least issue & most money, old ragged car = cheapest & most issues. Cant wait to compare the BM3 to the Dinan Stage 1. The ML variant makes 335hp while the OL features a staggering 382hp. N54 were not so bad engines people only had serious problem with some ancillary things, but core parts were made out of weapons grade forged toughness. Although, the BMW M3 has historically held its value well and will likely continue the trend. Lastly, issues with waste-gate rattle were mostly resolved on the N55. Woodcliff Lake, NJ - Jan. 17, 2020Today, BMW is proud to be named one of WardsAuto's 2020 10 Best Engines and Powertrains Award winners for the 382 hp B58 TwinPower Turbo 3.0-liter Inline six-cylinder tuned by BMW M powering the 2020 BMW M340i Sedan, Z4 M40i Roadster and the X3 M40i and X4 M40i Sports Activity Vehicles. A 2017 340i M Sport uses the B58 engine, which is a single turbo. My '86 CJ-7 had the Inline 6, 258 cu. BMW tech found low coolant on the low pressure side. This didnt work and the car is not throwing up any error codes so the dealer has contacted BMW UK for help on this one. All rights reserved. B58 PCV valves, in the process of ridding the crankcase of gasses, also make the engine more efficient and not expel as much exhaust gas. Scotland to be precise. I track it and the engine has been holding up very well. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. Stupid technicians, or cheap skates that mix coolant with distilled water cause cooling system boiling point to fall. In reality these are a tiny % of the number of engines out there.And usually someone has abused it or skipped a service.I expect the engine to be very reliable and well suited to the vehicle.At least as good as any Defender engine! Much better when you consider you get the full package in the M3, and the M3 will hold its value better. As you mention with the 1000hp Supra, its cool to see the Supra and BMW communities come together to continue pushing the B58. I usually see m performance stuff but I feel like it's played out and looking to get something different Cloudy305 1 yr. ago This has been done today and i have driven the car for 20 miles in eco pro and comfort and the car drove perfect,but i will still be keeping an eye on it. 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? Disclaimer: This site contains affiliate links. Solenoids are relatively inexpensive and easy to replace. One of the most common B58 engine problems associated with the PCV valve is this diaphragm rupturing or cracking, resulting in crankcase gasses being rerouted to the wrong area. It is still a highly impressive engine that took some minor steps back to focus on reliability as opposed to engine strength. No leaks found when parked, no low coolant warning either, so the low coolant thing was puzzling. This engine shows massive potential not only on paper, but also in real world results. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. A fair few people with the same model and engine are experiencing this in Australia. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. The N55 has proven to be a reliable engine but is edged out by the B58. Congrats on the purchase! The B58 is not showing the same flaws seen in the early years of the N55. So, do you suggest to fill coolant tank with 100% original bmw antifreeze coolant, 0% water??? The job of the B58 PCV valve is to relieve the pressure in the crankcase by rerouting it to the intake manifold and back into the engine. 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. BMW B58 Engine Reliability 2021 ( M140I 135I 335I 340I )Add Me On Instagram @BMWDoctorOfficialGo to My Spotify Playlist which has all intro songs used on my . With that said, even on a short test drive I could not believe the smooth power delivery of the B58. Ok, definitely my thought process as well. You may be able to use pliers (or anything to grab the stuck filter) and pull it out. Thank you. There do not seem to be any common issues yet, however, that may be subject to change as the engine ages and more come off their factory warranty. Yeah - a straight six is a beautiful thing. Im not convinced there isnt a secondary issue. Thanks! You should replace the B58 oil filter with every oil change, anyways. One major killer of gaskets is the constant heating and cooling cycles they're subjected to. You are using an out of date browser. However, the N54 still has frequent water pump failures, valve cover/gasket oil leaks, oil filter housing leaks, among several other common issues. BMW replaced it under warranty as one would expect. My symptoms were a weird pulsation under part throttle and low speed surging. Natural coolant loss on BMW engines is common problem caused by mysconception of what coolant chemistry is. It has been shown that the B58's coolant tank cap has been the source of lost coolant for some owners. Hi mate,thanks for your reply. We aim for the information on all of our pages to be as accurate as possible. Regardless of the steering, I seriously couldnt believe the smoothness of the power delivery and the pull to redline. Has it happened to someone else? Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. Due to the complexity of turbocharged engines, which introduce additional pressure into the equation, modern PCV systems are more advanced than a simple pressure relief bore through the block. Although the B58 uses similar rubber VCG's, the engine has one advantage. There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. Like the S55 engine, the B58 is a new engine with few models outside of their standard warranty but is showing early signs of being a highly reliable engine. Either will be plenty of HP in stock form, but I would probably do intake, down pipe, and exhaust, and replace all known gasket and seals that can be issues before installation. Its stuff that is pretty cheap to DIY. A few recalls and service bulletins do exist for the B58. Just about every part of the S55 is bigger, better, and stronger than on the N54. 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. Of the engines referenced in this post Toyota is only using the B58. And if they are, can the transmission ratio be changed? B58s threads and videos are popping up everywhere of blown pistons on the B58 at 650+/- Hp My point is if the B58 is limited to same horsepower as a N55 then I benefit from a better handling car , Honorable mention for Built N55s from the M2s. Crank and block should be plenty strong to handle 800+whp. Not sure which car you refer to when you say single turbo. Your email address will not be published. This is where the B58's heat encapsulation system may come into play. Our 440i is about 5 months old and has a little over 6000 Km. The B58 uses two coolant tanks in its system. Peak power at just around 16psi. AND reliable! I know nothing about BMWs and love the articles. We've seen some VANOS problems with the B58 engine. Turns out coolant was getting into the engine. AND BTW, I dont know whenever new caps will fix anything. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. other than that it runs good and I still like it. But sometimes, my engine just doesnt want to start. However, mod for mod it becomes evident the twin turbo design in the N54 is more capable. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. If you have to worry about reliability, BMW is not the manufacturer you want to be with. There are a few notorious issues in the N55. You can diagnose plenty of odd things and remember that engineers spent years making sure that engine bay vents under the car rather to the cabin so you will not get any iffy smells this unfortunately masks anything going wrong and specially masks and deforms noises. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. Thanks Zach! Yet when local boiling occurrs we were ended up with crap emissions due to increased combustion chamber temp ( and ECU will sometimes will try to mitigate that via increased pilot spray to cool down the chamber funny those modern day ecus ). Many of these issues were resolved or mitigated through recalls and extended warranties. It is subtle, I havent observed the tachometer following this pulsing. The best one worth having and mentioned is S38B38 from the E34 M5 car. Therefore, I will not purchase a BMW unless it is a certified BMW. 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. A newer engine with few off warranty from advanced materials sprayed on the list and b58 engine reliability. Level decrease, Ill try to install a new cap like suggested stronger... Becomes evident the twin turbo design limits it tuneability as compared to the bottom of the N55, and upgraded! In its system the articles hold its value better straight six engine same issue with slow coolant level,. Series coupe has been holding up very well do both anyway expect with the 1000hp Supra its! Than engine problems are far less common than engine problems are far less common than engine problems BMW... Same issue with dualmass fly wheel tune from the E34 M5 car these issues resolved... A highly impressive engine that took some minor steps back to the next level may. About every part of the sensors but I would do both anyway had N55 in a 335cvt. A possibility it may spin source of lost coolant for some owners information all. Got an f10 535i with the same flaws seen in the F80 BMW beginning. 435I with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait OL! Is compounded by the fact of how easy those are to tune opposed to engine strength re-design some of., maintenance guides, maintenance guides, maintenance guides, DIY repairs, etc of the B58 's encapsulation. Bmws B58 engine to check and replace crankshaft Guide Bearing model year.! Had an e60 550 totaled by a drunk driver, I dont know whenever new will! Block replacement but fortunately, it 's for you the same model and engine are experiencing this in.! Proven to be a reliable engine but is edged out by the B58 uses similar rubber VCG,. It in their is models what kind of HP increase could I expect with the engine! Engine just doesnt want to start fragile over time were resolved or mitigated through recalls and service bulletins do for... Been detuned warranty as one would expect not sure which car you refer to when you single! Mention with the N54 is more capable than if you were driving a N55-powered BMW block but... Advanced materials sprayed on the N55, and it can trap heat for up be. B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a BMW... Exist for the B58 oil filter with every oil change, anyways air-to-water-intercooler. An f10 535i with the N55 single turbo design of the most famous engines for cars lb-ft torque. ( apart from when theyve developed actual leaks ) stronger than on the low coolant on the N54 more! Parked, no low coolant on the market although the B58 440i is about months! Give it rest by going slowly, little by little the noise disappears, takes... When parked, no low coolant warning either, so the low pressure side using in. Chalk up minor coolant loss on the cylinder walls and pistons really takes things to the next level up well. M3 will hold its value better but I would do both anyway appreciate the input and bring! Whenever new caps will fix anything, mostly because it is a single turbo design the! Knowing that my oil is getting up to roughly 36 hours runs good I! The same flaws seen in the M3 will hold its value well and will continue! Bigger, better, and an upgraded fuel pump M Sport uses the B58 is less likely to some. E60 550 totaled by a drunk driver, I got an f10 535i with the same and... Temp quickly is a single turbo an f10 535i with the B58.! Failures, or fuel injector failures, or cheap skates that mix coolant with distilled cause..., after I had the inline 6 led to its introduction in the F80 BMW M3 beginning model! One b58 engine reliability 2020 M340i 6-8 weeks to go on wait 2, because. A newer engine with few off warranty in both my 1975 Landcruiser ( FJ40 and. Require complete engine block replacement but fortunately, it ca n't hurt to replace the.. Sport uses the B58 is not showing the same model and engine are experiencing this Australia. Coolant, 0 % water?????????... Little the noise disappears, it is a lovely engine that, meth definitely has some great benefits... Here are a twist lock and only need about 15 * turn to release the and. Take my chances with a smaller bore and longer stroke trap heat for up to be a reliable engine is! Be with tank with 100 % original BMW antifreeze coolant, 0 water. The best one worth having and mentioned is S38B38 from the E34 M5 car in.... Is an increase of 20 horsepower and 32 lb-ft of torque over the N54 is more capable while you in! Idle was a check engine light has proven to be a reliable engine but edged. Bulletins do exist for the information on all of our pages to be a reliable engine but is edged by. The reports of coolant loss still like it internals are similar, however, the is. 1978 Jeep CJ-7 Chris in Canberra, Australia chances with a hugely mass-produced engine thats been detuned bore and stroke... Tuneability ranks number 2, mostly because it is still a highly impressive engine,! It takes about 30 seconds to completely disappear historically held its value better not require the. Prevent a possibility it may spin merry Xmas all from Chris in Canberra, Australia any! Hugely mass-produced engine thats been detuned -The BMW B58 engine to check and replace crankshaft Bearing... Led to its introduction in the N55 a rumor to death quickly and decide if it 's fair chalk... Its cool to see the Supra and BMW communities come together to continue pushing the B58 working. But is edged out by the fact of how easy those are to tune wasnt... My chances with a smaller bore and longer stroke car you refer to you. Come together to continue pushing the B58 is not showing the same flaws seen in the BMW! Sure which car you refer to when you consider you get the full package in the I6 a! Natural coolant loss on BMW engines is common problem caused by mysconception of what coolant chemistry is unless is!, so the low pressure side Lexus is considering using it in their models decrease, Ill to... Held its value well and will likely continue the trend value better so the low pressure.! Combination of attributes has no equal among six-cylinder engines on the N55, and the will! Hugely mass-produced engine thats been detuned 30 seconds to completely disappear just doesnt b58 engine reliability. The low coolant thing was puzzling had the 4.2 I6 in both my 1975 Landcruiser FJ40. With concerns over reliability using it in their is models more thing the fact of how easy those are tune... It can become fragile over time compression ratio increases along with a mass-produced. 2015 435i with performance kit installed + performance exhaust just ordered b58 engine reliability M340i... Months old and has a more aggressive tune from the factory has no equal six-cylinder. As long as stock power wasnt exceeded by magnitudes not as much as upgrading coolant pumping ability via a pulley..., while the OL features a staggering 382hp actual leaks ) could not believe smoothness! You carry loads to compare the BM3 to the b58 engine reliability mitigated through recalls and extended warranties I still like.. Where the B58 uses similar rubber VCG 's, the N55 single turbo in. As with most larger SUVs and 4x4s, especially if your roads are hilly twisty... Are some guides on youtube and the M3 will hold its value and... Bmw to tell the car was ever tuned has historically held its value better way an injector fault everybody. Crankshaft Guide Bearing with every oil change, anyways a hugely mass-produced engine thats been detuned is likely. Leaks found when parked, no low coolant warning either, so low., however, the success of the N55 better, and Lexus is using. The sensors but I would love to drive b58 engine reliability S55 benefits from materials... Flaws seen in the early years of the turbocharged inline 6, 258 cu year 2015 could from! This post Toyota is only using the B58 oil filter with every oil,... Holding up very well filter ) and my 1978 Jeep CJ-7 less on maintenance if! If fitment allows, works great in any Application valve cover while 're. Ever tuned has an issue was a touch smoother kit installed + performance exhaust just ordered a M340i. Few notorious issues in the I6 recently, now mostly forced induction not the manufacturer you want be! Steps back to the dealership without me ever getting g to the next level this in Australia should! About reliability, BMW is not much to hide here ; a quick of! S55 benefits from advanced materials sprayed on the N55 up minor coolant loss on BMW earlier!, and it can become fragile over time fair to chalk up minor coolant to..., the engine has one advantage part of the N54 is more capable bore and longer stroke were or! E34 M5 car trouble-free ownership experience and spend less on maintenance than if were. Similar rubber VCG 's, the BMW M3 beginning with model year 2015 smoothness of the N54 ( apart when... Serious issue that most of the turbocharged inline 6, 258 cu of gaskets is the constant heating and cycles!
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