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      06-07-2018, 10:19 AM   #27
Matticus91
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Drives: 2013 135i
Join Date: Aug 2015
Location: Washington DC

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Just another thought, the BMS cowl filters really do make a massive difference in sound. I hear so much more from the engine now. Mind you, for me that's godly turbo spool/DV "pffts", but additional NA induction noise will undoubtedly come through as well.
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"Tobias" 2013 135i ///M-Sport 6MT • Pure Stage 1 • XDI 35 HPFP • 404whp/440wtq
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