Quote:
Originally Posted by RPiM5
The S63tu4 engine has the same exact limits as the S63tu, meaning the internals are still cast. People will still be bending rods on future F90's that are modded. The main advantage in the F90's drivetrain as far as modding goes is the new ZF8 transmission that will be able to hold more than 700wtq. But then again, the M550i has the same exact transmission hardware so it'll have the same limits as the F90. The F90 will have the advantage in suspension design though.
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You seems aware of m5 engine and tunning. Are you aware of engine problem with stage 1 tune, like jb1 or something like that?
Intake ...
Or prioblem are more on heavy modified M5?
Tks