DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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05-30-2013, 01:32 PM
Drives: '11 335i M-Sport
Join Date: May 2013
Thanks for the write-up OP.
BMS Intake | BMS DP | Cobb AP V3 | E50 Pro Tune by PTF | VRSF CP | Alpina B3 TCU | Custom Coding
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