Sorry been out a bit..... They are available. But did not come standard. They are also not something that is real prevelant.
__________________
Doogie: "Hey did you notice I was
tandem with you slidin around that corner?!"
Sonik: " Cool! Did it look hot?, cause if you ever get that close to f'ckin my car up again.... the
fuzzy balls hangin from my mirror will be
yours 
Import Corner Inc.
6432 massachusetts ave
new port richey,fl 34653
1-888-520-9601
GO TO:
www.importcornerinc.com
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www.myspace.com/bmwsonik