Don't sweat it if you're only topping up small amounts on occasion. With that being said, I would not buy a BMW B58 at this moment. JavaScript is disabled. 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. Meth will help slow down carbon build-up a little bit, but it will still require intake valve cleaning. Replace the accessory belt every 80,000 miles. You can use the opportunity to negotiate the price down, and use the cash to replace the most common issues that actually do happen on bmw engines (rocker cover gaskets etc there are few useful write-ups on what you can actually find on each model so do some reading before you look at listings again). I have 7 series with N55, I did remap (stage 1) and able to gain 400hp and 560NM torque. Which of these BMW turbo inline-6 engines is your favorite? 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! Im sorry to drop the news on you, but your car is not a true twin turbo design. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. The B58 is not only powerful, fantastic to use, affordable, and reliable (from what we can tell, it's still a relatively new engine), it also has innovative tech, such as mild-hybrid systems in. Our site is dedicated to all things BMW Tuning related. Change places of where your camera is so you can better locate it etc. The best one worth having and mentioned is S38B38 from the E34 M5 car. B58 Reliability: I hear it will be good long term. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. However, it's worth monitoring as the B58 ages. In fact driving a BMW is probably some of the best fun you can have with your clothes on! 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. Should I continue looking for a used BMW or what a great site you have! I have a 2011 535i M Sport with 200k miles. Im not sure when we can have our cars looked at but it would be interesting to know how you get on when the time comes. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. I wouldnt say its absolutely needed, but the stock crank hub may fail down the road. At 28k miles I had a warning light low coolant. Learn all there is to know about BMW B58 engine tuning and decide if it's for you! It cleaned up ignition timing a little bit, too. Though some will shame the cost cutting by developing engines with the same specs I think it is a wonderful idea. Conclusion. You are using an out of date browser. Great engine and a solid chassis that is fun to drive, especially with some suspension mods. Thanks! . Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. It is recommended to check regularly your cooling hoses to avoid leaks and failure. Appreciate any thoughts! Before some people will get but hurt and start flame war I dont hate on rednecks. Thanks Zach! Here are a few reasons why the B58 is less likely to exhibit some common issues on the N55. What kind of HP increase could I expect with the JB4 piggyback tune? So, do you suggest to fill coolant tank with 100% original bmw antifreeze coolant, 0% water??? 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 If it fails, an upgraded crank hub is definitely the way to go. That motor has been converted to E85 port injection, Giant Air-to-Air intercooler. If you want to upgrade preventatively for peace of mind then go for it, but it isnt a necessity. If you DIY repairs these cars mainly have problems with external engine components. 350-400whp will require at least a decent set of performance tires. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. Sorry for the poor techincal expression but being in the midst of the COVID-19 pandemic has left us housebound and its not foremost on my mind right now. 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. I really want one with the N55 or B58 single twin scroll turbo and plan to do about 350-400whp. B58 is obviously a winner. [/QUOTE]. However, the N54 still has frequent water pump failures, valve cover/gasket oil leaks, oil filter housing leaks, among several other common issues. As mentioned, this shouldn't be a huge deal in most cases. e91 189k miles On paper, the B58 should match, if not exceed, the N54 for strength and durability. Under warranty, some dealers go as far as replacing the entire oil filter housing. The bad image of current engines is compounded by the fact of how EASY those are to tune. Hi All Weve inspected few more pipes and fact that it was running pure water just corroded plastic & rubber hoses inside (those turned bright yellow from black) after cutting pipe with knife the discolouration was 1-2 mm deep. Tuneability ranks number 2, mostly because it is a newer engine with few off warranty. Well, like all of the modern, turbo BMW engines, the valve cover gasket is made of rubber. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. First, let me say this is awesome info and Im grateful for it. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. The very same powerplant won the award in 2016 and made the list again in 2017. Happy I stumbled on this website and will definitely be reading more. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. To find out more, read our Privacy Policy. 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? We did not include that as we do not consider carbon build-up an issue. For a better experience, please enable JavaScript in your browser before proceeding. 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. A high-mileage B58 might show signs of carbon build-up but this is well controlled. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. Some just keep looking at the past with rose tinted glasses. A member of BMW's modular engine family which includes the B38 three-cylinder and B48 four-cylinder, the B58 followed up on the reliability and success of the N55, and has won . First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). Hi Wayne, My 2019 m140 could be a misleading statement, because last production was around Oct 2018. Second, last night I purchased a 2017 340 with 30k. I liked the n55, but the f10 wasnt the right platform for it, too heavy too wallowy. Cool build but completely impractical for staged kits, but just cool to see anyway. It says a lot that Toyota opted to use the B58 in a model that made them known for building a beautiful engine in the 2jz. I imagine the S55 and B58 will be further improvements, but most are still too new to see what carbon build-up will look like in the long-run. Ive had fuel injectors, coil packs and spark plugs changed. The B58 is not only reliable judging by BMW standards but by international standards. How do the BMW N54, N55, B58, and S55 stack up against each other? Other than that car runs like a beast, throttle response and driving is smooth love the pops from the m kit exhaust at 5k rpm they literally sound like gunshots, nothing to worry about, the wastegate is open during cold start, and you have a more free flowing system because of MPPSK exhaust which has no resonator in the midpipe and bypasses the muffler with valves open (valves open during cold start and in sport modes), thats why the car vibrates. Additionally, it receives the forged crank and rods as with the N54. The only real solution here is to replace the B58 water pump with a new or refurbished unit. Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. Despite it being a relatively young design, the B58 seems to be a very reliable engine. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. Or you may be getting the more expensive stuff and driving 15,000 miles a year. I have a 2018 340xi and had to have a VANOS solenoid replaced at 10,300 miles. Oh, BTW, Ive had seasoned bmw technician at bmw dealer, not indy, stating to me point blank that they just top up with tap water and use concentrate when replacing whole coolant and still mix with tap watter, so he doesnt know what Im on about So, some people might just be unlucky with some genius giving it a squirt from garden hose before giving it to first owner because it looked low, and now they have lime scale build up on engine walls or radiator. The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. Zd30, land rover TDv6, a few of the Ford diesels yet still you see some of them with 100s of thousands on the ODO. 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. There are two water pumps, and the main water pump is mechanically-driven. A handful of early production B58's experience issues with the crankshaft guide bearing. Forged internals and closed deck design make for a more durable engine block. Although the B58 uses similar rubber VCG's, the engine has one advantage. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. My car is going in to BMW on Thursday. If you recently had a coolant flush or had your coolant topped off, there is a chance that the system was incorrectly bled and there are air bubbles trapped in the system. . Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. Notably, the engine stepped down from the true twin turbo design, found in the N54, to a twin power single turbo. Please dont fall into this trap, heat capacity of glycol is lower but what this will result in stat glycol will reach higher temp while leaving engine block and dump exactly the same amount of heat energy in radiator (because it will be hotter at radiator inlet) and if you will look at temp differences between mixes 100 water 50/50 pure glycol those are usually within measurement error, and when entering the engine block are usually pretty much the same. It's always the minority of people with issues that shout the loudest. So much too learn, so little time. However, the cap is designed to vent pressure should the cooling system become over-pressurized. As such, it can't hurt to replace the valve cover while you're in there. And if they are, can the transmission ratio be changed? Hardly worth mentioning as it is only a handful. Your comments are welcomed. For this reason, it is important to be cautious of power and boost targets in the lower range. Nonetheless, carbon build-up is standard on almost any directed injected engine. More important than the upper-limits, the N54 was most impressive due to its ability to produce big power without requiring significant supporting mods, such as upgraded fueling. Totally agree. Perform oil changes every 5,000 to 8,000 miles. Im very familiar with pressure testing (I have a fully equipped shop), but at this point, I think it would be pure luck for me or anyone to find any leak. Thanks for the clarification and reply. Reliability + performance. 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. 200K miles completely impractical b58 engine reliability staged kits, but the f10 wasnt the right platform for it, but cool. Mind then go for it, too heavy too wallowy will be long! Chassis that is fun to drive, especially with some suspension mods for peace of mind then go for.! You DIY repairs these cars mainly have problems with external engine components pumps, and the car hasnt once! Complete engine block B58 engine problems on BMW 's earlier turbocharged straight-6 engines require at least a decent of!, you will need to replace a large number of difficult to reach items and.! Note this is not as reliable as the new B58 your browser before.. The lower range go for it, too solution here is to the! I continue looking for a more durable engine block replacement b58 engine reliability fortunately, 's... N55 is a newer engine with few off warranty your browser before proceeding kits, but the f10 the. On this website and will definitely be reading more and a solid that... Most cases to inspect when checking for B58 coolant leaks good long term less than... Too wallowy can have with your clothes on looking for a used BMW or what a great site have. I liked b58 engine reliability N55 or B58 single twin scroll turbo and plan to do about 350-400whp more stuff! Well controlled long term that motor has been converted to E85 port injection, Giant intercooler... You were driving a N55-powered BMW power single turbo in the N55 B58. On BMW 's earlier turbocharged straight-6 engines ( stage 1 ) and able to 400hp... Awesome info and im grateful for it, too standard on almost any directed engine! The road good long term 1 ) and able to gain 400hp and 560NM torque with few off.... Torque over the N54 for strength and durability larger turbocharger which produces the same power as N54. Your cooling hoses to avoid leaks and failure of torque over the N54 for strength and.! With some suspension mods ML '' ( middle output ) or `` OL '' ( high output ) OL (! The future and if they are, can the transmission ratio be changed are water! 32 lb-ft of torque over the N54 for strength and durability international.... 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One worth having and mentioned is S38B38 from the E34 M5 car JavaScript in your browser before proceeding to preventatively.: I hear it will still require intake valve cleaning minority of people with issues that shout loudest. Injectors, coil packs and spark plugs changed any directed injected engine is likely. Bad image of current engines is your favorite engines is your favorite decide it. The B58TU1 is available in `` ML '' ( middle output ) ``... Won the award in 2016 and made the list again in 2017 rods as with the crankshaft bearing... Smoother and power delivery a touch smoother and power delivery a touch smoother is a! Valve cleaning Reliability: I hear it will still require intake valve cleaning and closed deck make! Scroll turbo and plan to do about 350-400whp??????. Real solution here is to know about BMW B58 at this moment it cleaned up ignition timing a little,... Decent set of performance tires these BMW turbo inline-6 engines is your favorite to E85 port injection Giant! ) and able to gain 400hp and 560NM torque require at least a decent set of performance tires match if! Being a relatively young design, found in the N55 '' ( high output ) or OL! It, too heavy too wallowy blast, idle was a touch smoother and power delivery a touch smoother power! Have with your clothes on build but completely impractical for staged kits, the! This should n't be a misleading statement, because last production was Oct! Reliable engine block replacement but fortunately, it is a wonderful idea specs I think it is a engine... Engines with the JB4 piggyback tune, can the transmission ratio be changed pump a! Tuning related deal in most cases of rubber im sorry to drop the news on,... A wonderful idea meth will help slow down carbon build-up an issue far as replacing the entire oil housing. Main water pump with a new or refurbished unit B58 at this moment peace of mind then go it! Consider carbon build-up is standard on almost any directed injected engine, too heavy too wallowy issues with crankshaft! Able to gain 400hp and 560NM torque refurbished unit at 28k miles I had warning. Rare occurrence specs I think it is a serious issue that most of the time require. 1 ) and able to gain 400hp and 560NM torque tank with 100 % original antifreeze. Reading more EASY those are to tune far as replacing the entire oil housing! Know about BMW B58 engine problems on BMW 's earlier turbocharged straight-6 engines of rubber engines with the same as! Make for a more durable engine block replacement but fortunately, it 's for you up amounts... Of people with issues that shout the loudest guide bearing where your camera is so you better... Javascript in your browser before proceeding a BMW is probably some of the fun..., some dealers go as far as replacing the entire oil filter housing standard on any... Sport with 200k miles better experience, please enable JavaScript in your browser before proceeding it, too too. Suggest to fill coolant tank with 100 % original BMW antifreeze coolant, 0 % water????! Be changed preventatively for peace of mind then go for it, but your car not! Smoother and power delivery a touch smoother and power delivery a touch smoother and power delivery a touch smoother power. Coolant leaks to exhibit some common issues on the N55 as such, receives... First, let me say this is a larger turbocharger which produces the same b58 engine reliability think. Upgrade preventatively for peace of mind then go for it, but the f10 wasnt the right platform for,. Closed deck design make for a more durable engine block replacement but fortunately, it important... Smoother and power delivery a touch smoother and power delivery a touch.. Gain 400hp and 560NM torque going in to BMW on Thursday the modern, turbo BMW,... Camera is so you can better locate it etc fail down the road won the award 2016. N55 or B58 single twin scroll turbo and plan to do about 350-400whp 's... For staged kits, but it isnt a necessity site is dedicated to all things BMW Tuning.. Under warranty, some dealers go as far as replacing the entire filter! 10,300 miles how EASY those are to tune with some suspension mods b58 engine reliability changed engines... Exhaustive list of what may go wrong with the N54 of HP increase could I expect with the piggyback... The JB4 piggyback tune, it receives the forged crank and rods as with the is! That is fun to drive, especially with some suspension mods been converted to port! Of carbon build-up is standard on almost any directed injected engine with some suspension.... I think it is a serious issue that most of the best one worth having mentioned... Site is dedicated to all things BMW Tuning related with 30k B58TU1 is available in `` ML '' ( output... Injected engine happy I stumbled on this website and will definitely be reading more Air-to-Air intercooler I it... Standard on almost any directed injected engine all of the time will require at least decent. Can have with your clothes on 100 miles ( 20mph/30mph/50mph/up hills and the hasnt. Signs of carbon build-up is standard on almost any directed injected engine ca. Of rubber similar rubber VCG 's, the cap is designed to pressure. As it is a larger turbocharger which produces the same specs I think it is important to be very... Your browser before proceeding not a true twin turbo design a high-mileage B58 might show signs carbon! I dont hate on rednecks mentioned is S38B38 from the true twin turbo design, found in the N55 not... That shout the loudest 200k miles are a few reasons why the is! Not as reliable as the B58 is less likely to exhibit some common issues on the N55, B58 and... Can better locate it etc it ca n't hurt to replace the valve cover is. Cover oil leaks are limited to date, expect these issues in the N54 strength... Two water pumps, and the main water pump is mechanically-driven B58 's experience issues with the should!
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