BMW Z4 E89 Downpipe development?
So what's going on with the major Manufacturers/Tuners building Downpipes for the N54 Powered Z4's? Any Updates from the Vendors of the forum or anyone else? Something under development? Or should we go the "custom fabrication" route?
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Last edited by Constant.S; 11-15-2010 at 07:46 AM..
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