Inside BMW's QUAD TURBO 3.0L Diesel Engine

Published 2023-08-18
In the world of diesel engines, we've seen a lot of interesting changes and trends throughout the years.

But, BMW took it a step further by introducing one of the weirdest diesel engines you'll ever hear of: a 3.0L inline six diesel with not just one, not two, not three, but four turbos.

So, today let's take a dive into the BMW B57 quad turbo engine and see what it's all about.

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All Comments (21)
  • @fabien59
    That's quite fun to hear "3L is a small engine" because in Europe, that's very very big for an engine, even a 2L engine is considered sporty
  • @realRickSanchez
    BMW realized turbos were getting too reliable so they added more to increase the chances of failure. 💪
  • @avioncamper
    Could you imagine a 7 series achieving 40mpg? That would be killer.
  • @Losingsince
    I really wonder how reliable these new high-output designs will be in the long run. The new 3.0 Duramax is especially interesting because it uses an aluminum block. Then again, the diesel engine that powered the Soviet T-34 tank also had an aluminum block and it lasted a while....
  • @custommotor
    Honestly the tuned power numbers were not that bad considering it's a 3.0 liter motor with small turbos. Honestly think that's pretty good overall.
  • @JGV_IX
    Thanks for the video! Currently driving a ‘23 X5 M50d - bought it just before the LCI to get this engine - not disappointed at all! Feels more alive than the M40i Z4! Really a magnificent engine 👌🏻 In South Africa about 2/3 of BMWs are diesel - good power with great economy - it’s a pity they killed it off and all we have is the 30d with the sample hybrid system 😩
  • @joshuaadesida
    I heard about this engine couple months ago, and I was waiting for someone to make a comprehensive video, so thank you!!
  • @bombardier6033
    One of my colleagues from university has a mechanic shop in which he does mostly BMW's. This 2017 750Ld came in the shop with some turbo problems. The quirky thing about it was that it was an ex-government car and it came with a 40 horsepower bump from factory. I got chauffered around on a little test drive in the most important place in that car, the rear right seat. Even with its faulty turbos, it glued me to seat and was quiet all the way up to the redline.
  • @MikeyB_1972
    The M57 with two CP3's and a couple of Tim's turbos = 550-600hp, 800trq
  • One thing that B57 make happy is it share simillar block construction to B58. So BMW make both diesel and gasoline engine on simillar cylinder block. And diesel usually run with higher boost from the factory. Thats make B58 very strong because the block has same standard as B57 does.
  • @koiflichrl1974
    I drive an m550d estate. The torque never gets old, this engine is a masterpiece
  • @Mattthewanderer
    This is the stuff I need to catch up on modern engines. I've ignored it for over a decade and there is a LOT to learn now.
  • @g2skinny
    I bet that would be really fun to work on when the time comes all of that in a not real big engine compartment
  • @markchapman2585
    Love this channel. Lot of great information. Thanks for the great content cheers from Canada 🍻
  • @TheBlaert
    Friend of mine has a 2021 M50d. An absolute beast of a thing. It just keeps pulling and pulling. He's a sucker for punishment though as he used to own a triple-turbo version (2014 I think) which blew all 3 turbos and wrecked the engine