Quote:
Originally Posted by mapezzul
The Z4 has a different engine upgrade from the BMW Performance kit. The teams worked together somewhat but in the end there were different requirements for each. I will go into details once the car has hit the market.
-M
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How about the 335is? And why does it have lower HP versus the 35is?
http://www.e90post.com/forums/showthread.php?t=340379