Quote:
Originally Posted by nars3000
The S55 would have no SCH issues if it were rated at 300whp from the factory, and if people did not push them to 550+ whp. With that said, the N54 and N55 are not exempt from spinning.
If you really want to be safe, you need to go with the B58/S58 platform.
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N54 and N55 spun crank hub is rare. Only time that I saw a spun crank hub was on a built motor.
Can't wait to play with a s58 platform! BMW redesigned some things so it should not have the same issue as the S55.
Quote:
Originally Posted by icegrill
This. I love the 20+ hours of labor for an issue they may never arise.
Why are there not any German tuners who think this is a big enough issue to address?
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This issue is pretty common I feel, especially if you are pushing the S55. I know a friend who spun it 3 times on full e85 tune. Ended up trading it in and getting into a different M car.
I have seen some guys overseas using other brand products, not what we have here in the states. Mosselman offers a fix but I can't see how it would work. They only key the timing gear to the crank hub itself. Oil pump sprocket and rest of the hub to crank is stock.
What do you guys think about the Gintani crank fix?