Quote:
Originally Posted by T Bone
First I have no financial interest in this....
Would people be interested in RPI or another company to develop an underdrive pulley for the S65 engine?
A similar product for the M5 / M6 S85 can be found here. This appears to be cheapest mod to get HP. 28 RWHP on the V10 for <$500.
Vote.... show them they should develop for the M3.

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Stupid question--but why wouldn't the factory do this if it was easy hp? I assume you're driving all the accessories (alternator, steering pump, water pump, AC pump, etc.) slower. Doesn't sound like a good idea under some conditions. Never considered these so havn't looked into them.