Quote:
Originally Posted by GTS
Hi all,
I recently got a SC E90 2011 M3 which also has an active autowerke x-pipe with no cats and a dinan exhaust. Recently I noticed that when I drive in the rain the exhaust sound changes drastically and the sound is no longer smooth. It sounds like a headers leak or something like that... I've already inspected for loose bolts on the connections but all seems tight. The interesting part is that as soon as I transition out of he rain the sound goes back to normal.
Has anybody else noticed an issue like this?
Any help will be greatly appreciated.
Thanks
-GTS
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This only happens in the rain? Can you replicate it at idle with a video maybe