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Golf tee mod
So I did the golf tee mod using the plug in the back trunk by the taillight. You simply yank out the plug that controls the vacuum hose and it allows for a louder exhaust. Unfortunately though the car is giving off a bad smell and there is a ruffling noise when my rpms begin to settle. Is this normal? If anyone has any suggestions or knows if this is normal please let me know!!
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2011 Black Saphire 335i Xdrive M-Sport Sedan --- BMW Performance Kit - K&N Drop In - Black Kidney Grilles - Black Tail Lights - 20 Tints
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