[idnan]

Originally Posted by phil200tdi

Didn't expect a power increase - bonus! I guess it will make a big difference to transmission losses due to the lower inertia required to turn a much lighter FW.

I might get these fitted at the same time:

http://www.e90post.com/forums/showthread.php?t=810291

I've got a set of them on mine but didn't really notice much of an improvements despite my old ones being 70k+ miles old. I'm still undecided on whether to go alu or steel as my car is noisey enough as it is!