Originally Posted by chudak18
Slip on tips in the works????? Ready to buy slip on!
Btw: any sound improvement over stocks? Don't know if tips actually have any effect on sound or not.
No sound difference
2013 550i M Sport
Gone but not forgotten:
2006 2.0T A4 Avant, 2007 Z4 Roadster 3.0si, 2006 M Roadster