Quote:
Originally Posted by CRE
It makes the car feel like I think it should have from the factory... But I've always thought Z4s are slow. It's a big improvement though. The standard pulley that comes with the ESS kits is 120mm and at sealevel will provide 5 to 6 psi of boost. I'm running a smaller pulley due to the altitude I'm at to make up for the thinner air. While it's not the fastest car I've owned, I still think it was well worth it. Soon, I plan on adding a meth injection system and probably moving to smaller pulley than the 115mm I'm currently running.
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Yeah...sounds like all the fun is above the 4K range. That is what I like so much about my 128i vs. my Corvette. Power delivery is so completely opposite!