~325-350wtq. Low 300s is likely the more realistic ballpark. Regardless, in this post we will lay it out as clearly as possible. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. https://static.nhtsa.gov/odi/tsbs/2022/MC-10212788-9999.pdf, Your email address will not be published. Again, pretty similar to the N20. This cookie is set by GDPR Cookie Consent plugin. I had the 2020 330e and I am currently having the 2021 530e. Its working for the B58, though. . Mini Cooper S Mods Summary The B48 OE Champion spark plugs are highly effective on most stock turbo engines. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Nearly every single BMW model line houses the B48 engine and it wears many different hats. Many owners complained about the B48 losing coolant even though no obvious leaks are visible (ghost leaks). A. Autoputzer 168 Replies. The B48 is part of a modular BMW engine family of 3-cylinder ( B38 / B37 ), 4-cylinder (B48/ B47) and 6-cylinder ( B58) engines, [1] which use a displacement of 500 cc (30.5 cu in) per cylinder. Most Reliable BMW Engines - M20 Engine The M20 is another inline 6, to rave about. The B48 is also a seemingly reliable engine thus far. I also an continuing to run 5W30 (oil was specked on car in 2015 and recommended oil is now 0W20). I am considering a oil catch can (not sure where I will find room to place it). Some BMW owners experience an oil leak with their B48 engine. By / may 31, 2022 may 31, 2022 although the n20 is a reliable engine overall , the earlier models are plagued with timing. While BMW quotes 241 horsepower to the crank, testing shows the stock N20 is closer to 230whp. Keep up the good work!!! Unlike the N55, the B58 features a closed-deck engine design. **Please let us know if we missed anything in this B48 FAQ guide, or if there is anything youd like to see more info on. Other 30i models (mostly found in the newer G series chassis) boast 255hp and 295 lb-ft of torque. BMW recommends running LL-14 or LL-17 oils on the BMW B48 engine. BMW also recommends replacing the O-Ring, and the pipe outlet while repositioning/replacing the asbestos-free gasket in order to prevent these leaks indefinitely. Although, dont expect these engines to be as tuner-friendly as the larger inline 6 turbo BMW engines. It's still a newer engine, so time will tell if more common issues develop down the road. 3. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. However, for now, expect the B48 to produce nearly 300whp with a tune and bolt-ons. That said, were likely writing this article too soon. Stage 1 91 octane: up to 14% HP / 26% TQ So far, the B48 appears the more reliable engine. B46 vs B48 Emissions Emissions standards are really the . Seeing online reports from owners that it start causing issue, Correct link to the recall. To date the N20 has proven to be faster and therefore more tunable than the B48. Again, were looking at just the engine here and ignoring the chassis, electronics, etc. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. It does not store any personal data. But i wouldnt go to far on tuning if the engine doesnt have forged pistons and rods. But opting out of some of these cookies may affect your browsing experience. I'm pretty pleased with it so far! What is the max boost the N20 stock turbo can handle? I don't think the X5s can come with a 4 cylinder? Yes, we think the BMW B48 engine is fairly dependable. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It seems to be a slight improvement over the preceding N52 engine. Its a single turbo. B-series engines are a vast improvement - at least based on design changes - but it will take a few years of real world use to produce enough data. Explore Our Forums. The B58 engine was named Worlds 10 Best Engines in 2016 (installed in the 340i and 440i), 2016, 2018, and 2022 (M240i), X3 and X4 M40i, Z4 M40i, 2019 (X5) and 2019(M340i). If you notice that you have to add oil more frequently than usual, it could be a sign of an issue with the engine's seals or rings. Both the N20 and B48 pack small 2.0L turbo engines that produce impressive power for their size. Save my name, email, and website in this browser for the next time I comment. There is still a lot of time, development, and testing N55 | B48 | B58 | N20 The most important aspect is sticking with a quality, trusted tune. We are hoping to soon add an F80 M3 and F82 M4 GTS. B48 BMS Dyno: 230.68 hp, BM3 on N20 Sir, thats an amazing article. So the B47 engines suffer from timing failure also. The engine is being included in the also new bmw x1. Counting how many spark plugs you see on your engine will , The coupe has a better center of gravity and is slightly lower so with completely equal drivers it will slightly and I mean slightly out handle the sedan but with everyday drivers you will never , The main difference between tail lights and brake lights is that the former lights up as soon as the headlights are turned on, while the latter only engages upon stepping on the brake pedal. Bore x Stroke: 84.0mm (3.31) x 90.1mm (3.55), Injectors:Bosch solenoid style direct injectors, ***Specs for 2.0L BMW N20 engine (N13 and N26 have slightly different specs). The timing chain tensioner is responsible for maintaining proper tension on the timing chain, which helps keep the engine running smoothly. I figured I will respawn this thread; a very relevant matter indeed, as I intend to keep my car for years to come. Though, these issues usually dont pop up until 80,000 100,000+ miles. The N20 features an open-deck block while the B48 receives a closed-deck block. Anyways, in our opinion, you cant go wrong with the N20 or B48 if youre looking for a light, fuel efficient BMW engine that still packs a strong punch. didnt know injen make intake for B46? The BMW 520d came with a 2.0L Diesel with similar engines to the 320d with engine codes of N47D20A and N47D20C. There is still a lot of time, development, and testing, Read More BMW B48 Upgraded Turbo GuideContinue, At this point, BMW has been in the compact SUV game for nearly a decade. Direct injection (DI) engines come with one flaw, which is carbon build-up on intake valves. BMW engine maintenance is typically a little more expensive than your average car. However, when it comes to the B48 engine itself there really isnt much to worry about. Previous Thread | Next Thread Posting Rules You may not post new threads BMW reliability seems to be trending in the right direction, though. Expect both the N20 and B48 to be reliable engines. I'd love an F31 with the B48 freshxdough 2 yr. ago How much PSI can the B48 stock turbo handle without ruining longevity? At least when you compare the B48 and B58 reliability to that of the earlier N54, N55, N63, S65, etc. There is basically nothing that's carried over from N20 and the first time BMW has put out a fully closed deck design. BMWs with the B48 cost less upfront, use less fuel, and is the more practical option. similar to the windshield fluid reservoir on the right. Again, the same concepts apply with the HP discussion above. When paired with its eight-speed automatic and rear-wheel drive, Mat Watson was . Gonna be hard to tell as it's only been out a few years, but generally I'd consider it a reliable and solid engine. At least when you compare the B48 and B58 reliability to that of the earlier N54, N55, N63, S65, etc. Like the OP says, this motor is relatively too new to know when exactly will you have to replace the timing chain; but its definitely more robust than the N20 for sure. One of the most common reliability concerns with the B48 is coolant loss. Read our post about N20 mods here: BMW N20 350hp. *Well write a B48 common problems post in the future. However, we believe it is a step in the right direction. The B46 is the Super Ultra Low Emissions spec (SULEV) and that is the standard engine in the US market. BMW does consider B48 engine coolant to be a lifetime fluid. We know the older 2.0L N20 engine can handle about 350whp and 350wtq before problems normally arise. However, the B48 air-to-water intercooler is highly effective on the stock turbo. Theyre quality oils for a reasonable price. In the short-term, expect the B48 to be pretty inexpensive to own and maintain. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. 2) Can the BMW B48 engine be repaired or does it need to be replaced? Expect B58 solenoid issues to arise around the 80,000-100,000 mile mark. Carolina has been a BMW enthusiast since she first got her driver's license. Time will tell if more widespread problems arise with this engine because it is still relatively new. BMW's N55 turbocharged inline-six engine replaced the N54 in multiple models. Its still early and it will take some time to see what the B48 stock turbo is capable of in the long-term. Its still a newer engine, so time will tell if more common issues develop down the road. Not too expensive, but they can add up over time. Whether you're tuning or not a b58 is a better engine than the n55. They power 20i, 25i, 28i, and 30i models; a large percentage of all BMW models. As such, the limits of the B48 might fall in the same ballpark. The base 3 series for the 2021 model year is the 330i sedan and it has a 2.0L 4 cylinder engine that produces 255 horsepower and can be paired to either a rear-wheel-drive or all-wheel-drive system. Common triggers here include a faulty oil filter, a bad oil pan gasket, or a damaged oil pump. 11.0:1 compression ratio. Some may shame BMW for cutting costs. Leave a comment and let us know! I think the most important part is that you get the downpipe with the right bottom clamp. Engine limits are always a tough topic. However, upgraded intercoolers are excellent on tuned and modded N20 engines. Could you help me on that or fine me someone who can do that for a reasonable price. She has had the car since new and it now has around 70k km on. B48 engines range from 181 to 302 horsepower in stock form. BMW 520d 2.0 Diesel Engine. These shells help clean off carbon deposits without damaging the valves or ports. It's built on the same basic design as the 6-cylinder B58 with two less cylinders. The X3 . So just because the B48 is related to the B58, dont think its anywhere as good. Despite being slightly weaker than the JCW B48 engines, we believe the stock internals, block, and so on are capable of handling up to about 400whp without sacrificing too much in the way of reliability. This cookie is set by GDPR Cookie Consent plugin. Additionally, the N20 was tasked with replacing BMWs wildly successful inline 6 engines. The BMW X5 really put the Bavarian marque on the family-hauling map in 1999, quickly becoming one of BMWs best-selling models. However, dont let engines like the N54, N55, or B58 fool you. I've just clocked over 35,000 miles and it is still smooth and fast. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. Its still early in the world of tuning the B48. As with the N20, the B48 comes slightly underrated from the factory. The cookie is used to store the user consent for the cookies in the category "Other. My wife and I purchased an X3 back in Feb 2016. We recommend a 50/50 water and coolant mix for the BMW B48. The cookie is used to store the user consent for the cookies in the category "Analytics". So far, it has registered fewer problems than its predecessor, the "BMW N20" engine. No, completely different design. The cookie is used to store the user consent for the cookies in the category "Performance". How long an engine will last is always a tough topic. Yes, we believe the BMW B48 is a pretty reliable engine. The B58 is a marginally larger engine displacing 2,998cc compared to the N55s 2,979cc and weighs 18 lbs more, but while making notably more power. On older BMW DI engines, such as the N54 and N55, carbon build-up was a bigger issue. It requires a shop vac and walnut media shells. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Again, its not absolutely required maintenance so you can stretch that even further. Certain 30i models feature the 248hp variant producing 258 lb-ft of torque. A longer stroke helps the B48 make a lot of low-end and mid-range torque. Analytical cookies are used to understand how visitors interact with the website. Tune only cars are able to push over 260 wheel horsepower and 290 wheel torque. At least when you compare the B48 and B58 reliability to that of the earlier N54, N55, N63, S65, etc. Generally, higher compression is not great for boosted engines. Normally in the BMW world FBO refers to a tune, intake, downpipe, and intercooler. Well, nothing is perfect. However, stick with 50/50 if you live in an area thats subject to near or below freezing temperatures. Get the turbo oil line leak addressed if your engine is affected, and keep an eye out for possible coolant leaks and the B48 will power your BMW for thousands of miles. Design [ edit] Compared with its N20 predecessor, the B48 uses a more undersquare design, and engine block in "closed-deck construction". It is a rather serious issue as its a costly repair, and may cause severe engine damage in rare cases. JavaScript is disabled. Its like comparing an infiniti q60 non-redsport to a Q60 redsport variantthe non redsport (cheaper model with 100 less hp) will gain over 100 whp from a tune alone, where the redsport gains 30-50 whp at best. It also offers 20% more boost pressure and an increased compression ratio of 11.0:1. Its a fairly simple fix and is covered under warranty. Theyre valid questions, however there is no perfect answer. This issue is caused by an incorrectly assembled asbestos-free gasket. Features a closed-deck engine design we know the older 2.0L N20 engine handle... 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Repairs, etc s built on the stock N20 is closer to 230whp without damaging the valves ports... ( not sure where i will find room to place it ), 28i, may... 20 % more boost pressure and an increased compression ratio of 11.0:1 deposits damaging. They can add up over time suffer from timing failure also could you help on... * Well write a B48 common problems post in the long-term online reports from that. Interact with the right incorrectly assembled asbestos-free gasket B58 reliability to that of the B48 and B58 reliability to of... And 290 wheel torque as tuner-friendly as the larger inline 6 engines is... Has had the 2020 330e and i purchased an X3 back in Feb 2016, email, may... Believe it is still smooth and fast is typically a little more expensive than your average car engine repaired... To replace a large number of difficult to reach items and gaskets * Well write a common. Two less cylinders, Toronto, Ontario, M5V 2H1, Canada the larger inline 6 engines also 20... Be a slight improvement over the preceding N52 engine and N47D20C and intercooler if more widespread problems with... And is the more reliable engine N54 in multiple models direct injection DI! B48 OE Champion spark plugs are highly effective on the same concepts apply with the N20, the & ;... Similar engines to be faster and therefore more tunable than the B48 is pretty. Tensioner is responsible for maintaining proper tension on the family-hauling map in 1999, quickly becoming one the. Same ballpark owners complained about the B48 to be pretty inexpensive to own and maintain as clearly possible... Covered under warranty `` other B58 solenoid issues to arise around the 80,000-100,000 mile mark ballpark. Do n't think the most common reliability concerns with the B48 might fall in the world of the. Fairly simple fix and is covered under warranty B48 BMS Dyno: 230.68 HP, on!, in this browser for the BMW X5 really put the Bavarian marque on the ballpark. Pipe outlet while repositioning/replacing the asbestos-free gasket in order to prevent these leaks indefinitely same ballpark be. Not too expensive, but they can add up over time more common issues develop down road! The cookies in the category `` Performance '' is covered under warranty come with a Diesel... 2.0L turbo engines that produce impressive power for their size problems than its predecessor, the limits of earlier. Your average car tunable than the B48 losing coolant even though no leaks! A oil catch can ( not sure where i will find room to it! Inline 6 turbo BMW engines to arise around the 80,000-100,000 mile mark can add up over time but opting of. Develop down the road additionally, the N20 and B48 pack small 2.0L turbo.. Rear-Wheel drive, Mat Watson was least when you compare the B48, testing shows the stock N20 is to! Ignoring the chassis, electronics, etc in Feb 2016 reasonable price, Toronto, Ontario, M5V,. It also offers 20 % more boost pressure and an increased compression ratio of 11.0:1 with less! Concepts apply with the website B58 fool you for maintaining proper tension on the BMW B48 is... B48 pack small 2.0L turbo engines that produce impressive power for their size i also continuing... In rare cases engines to the windshield fluid reservoir on the BMW X5 really put Bavarian! And an increased compression ratio of 11.0:1 responsible for maintaining proper tension on the timing chain, helps. Large number of difficult to reach items and gaskets here include a faulty oil filter a... Forged pistons and rods quot ; engine, Ontario, M5V 2H1,.. Miles, you will need to replace a large percentage of all BMW.... Upfront, use less fuel, and 30i models ; a large percentage of all BMW.... Receives a closed-deck engine design caused by an incorrectly assembled asbestos-free gasket in order to these... Around 600-650whp and 550-600wtq on the timing chain tensioner is responsible for maintaining tension., intake, downpipe, and intercooler Emissions spec ( SULEV ) and that is Super! Is that you get the downpipe with the B48 losing coolant even though no obvious leaks are visible ghost... Also an continuing to run 5W30 ( oil was specked on car 2015. Engine specific tuning guides, maintenance guides, maintenance guides, maintenance,... Off carbon deposits without damaging the valves or ports 600, Toronto, Ontario, 2H1. Will find room to place it ) whether you & # x27 ; re tuning or not a B58 a! Bmw N20 350hp reservoir on the stock turbo can handle let engines like the N54 N55... Predecessor, the N20 stock turbo be published the recall standards are really.! Continuing to run 5W30 ( oil was specked on car in 2015 and recommended oil is now 0W20....
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