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BMW 3-Series (E90 E92) Forum
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Exhaust problem
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01-13-2019, 06:30 AM | #2 |
Private First Class
29
Rep 155
Posts
Drives: E92 335i M-Sport
Join Date: Nov 2012
Location: ATX
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02-14-2019, 11:41 PM | #3 |
New Member
3
Rep 26
Posts |
Normal. Left pipe has flap that keeps it quieter. Plug the flap line or un plug harness in trunk if you want flap to remain open and louder.
__________________
2008 335xi
Stage 1 MHD BMS DCI Custom exhaust with stock downpipes |
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