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      12-21-2018, 12:31 PM   #54
stefan
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Drives: M2 Comp
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Quote:
Originally Posted by ZM2 View Post
My car is at the dealer right now looking into this and a couple other things. I’m curious your feedback on if the vibration seems worse when you’re in Sport vs Comfort?
It's more prevalent in sport, maybe because of boost pressures?
Quote:
Originally Posted by M Fifty View Post
Noting that the engine and transmission are bolted together and rubber mounted, as is the rest of the exhaust (with a flexible section right next to the Cat), how would the lack of a rubber mount between the cat and the transmission lead to vibration being transferred to the chassis? The mounts would have to be fubar'd.

Something might be vibrating on the chassis, but that would suggest either it's loose, or it's touching the exhaust.
Guess so. Though it may be creating NVH at the downpipe itself resonating through the chassis.
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