Quote:
Originally Posted by roundle
Probably easier and cheaper to install an S54 (from old M3) instead.
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+1, also I believe the block is stronger to withstand more power and boost too since HPF made 1000+ hp with the s54 multiple times? Just check with the laws because I know down in california, you need to register the motor to the car and "BAR" it in. One of the rules says that you cannot BAR a motor from and older car into a newer car. I.e. bar an e46 motor into an e9x