So you actually heard a change in the exhaust after the BMS install? Love that exhaust, but a tad too expensive for my taste. GLWS
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2013 F30 335i ///M-Sport
Forgestar/Challenge/BMS JB4
Wagner/Evo Race/M-Performance
2016 F15 50i ///M-Sport
BM3/H&R/Borla
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