Quote:
Originally Posted by MBan
Can anyone confirm if Z4 and post-2004 M3 rubber couplings work with the CSL airbox? I have never read that they DON'T, but would like to confirm as the rubber boots are quite expensive.
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Yes, I have their CSL box and those pre-LCI E46 M3 boots fit our cars, the difference is on the box side, not the throttle bodies. We are good. (As long as you get the old style boots)