Originally Posted by Fully_Bolted
Originally Posted by ASAP
Thats not inefficient or anything lol...
Whats inefficient about it?
Very serious bends and look at the length of the piping.
2009 135i 6AT
E40 PTF Protune, AR Dp's, 5" ETS FMIC, BMS DCI, M3 RSFB's, Koni Yellow Shocks, Michelin PSS