Quote:
Originally Posted by Feyd
what rear bumper is that on the alpina? i really like the rear diffuser on it....
is that a BMW factory part?
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The rear diffuser is part of the aero package for the facelifted Z4. It's a beautiful part but for some reason very few people have than this mod. It only fits the bumper of the 2006 and 2007 models. My car is from 2004 so I had to change the bumper to fit the diffuser and facelift rear lights.