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2016 BMW F80 M3 Twin Turbo S55 Bad Engine Teardown.

2016 BMW F80 M3 Twin Turbo S55 Bad Engine Teardown. Bogus Rebuild?

#BMW #F80 #Twin #Turbo #S55 #Bad #Engine #Teardown

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Here’s weekly dose of your catastrophic engine forensics! Every week you can find a new teardown of some abused, misused and/or poorly designed engine. I’ve got over 150 videos of failed engine teardowns on this…

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36 Comments

  1. lets talk about the old tool box big stones shall we , before pyramids mount Olympus electric under Zeus , shall we . . can have a poke , not different physics (lower Birkeland charge under Saturn old Sun) . . different tasks , as in we have't the whole toolbox yet

  2. It BMW engine has ZERO value unless to a flipper dolphin (pub where I fought bouncers including middleweight champ) , cup & ball trick caper current zero carbon intentional sabotage of combustion re greening carbon (I'll get to point shortly), carbon re greens my point

  3. Oh please a nice jb weld job is just fine BUT a bad one is just bad. I’m about to use a c clamp and jb weld to fix the cracked block in my kohler courage I just bought. Time for a story. A kohler courage is a mower engine that’s a bucket design and the sump is under the flywheel and a common issue is the sump bolts loosen over time and the sump starts shaking and the dowel pin in the sump cracks the block. And I think the previous owner noticed the loose bolts and replaces the gasket but didn’t notice the crack in the block

  4. As an owner of a BMW with an S55 engine, I'm glad to finally see a teardown of an S55. These engines are really impressive. From the factory, they were offered with horsepower from 405 to 493, all from the same long block, with the difference being the tune. With stock internals, they are good for well over 750 HP. Considering you are a BMW guy, you should know that one of the problems with the S55 engine is a spun timing gear, which manifests itself with valve to piston contact. Unfortunately, it's too late to find out if the valve to piston contact was caused by movement of the timing gear or because of a missed shift. (You would have had to check the timing before you took it apart.) This engine is in pretty nice condition and it should easily be rebuildable.

  5. You know that exhaust valve/ piston interface MAY be normal. On built bike engines having valves “clean” but not touch the pistons is quite normal. It’s just a limitation of achieving high compression. Considering this is an “M” motor they may be pushing it as well.

  6. I'm sure this has been suggested a zillion times, but I'd love to get your opinion on "best engines". I suppose those are ones you never see very often, though. Avoiding things like the W12s and other complex wonders, you could do a video on most-common pickup and SUVs – best engines and those simplest to work on. Some of your teardowns scare me off ever buying a vehicle with a particular engine used, for sure

  7. G'day Eric. Really enjoying your engine autopsies. Curious to whether you are likely to have a 2.2l Turbo diesel out of a 2014 Chevy Captiva come through the shop for teardown? I'm going to keep watching either way, just curious,Thanks.

  8. A common rebuild problem, skim the top of the block then skim the head (if not flat) throw it back together with a thicker gasket. Then the gasket crushes during running and the one thing they should have done but didn't was to turn the tops of the pistons back to clearance.

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