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      05-31-2015, 04:35 PM   #169
Gjm127
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Drives: BMW 435i xDrive M-Sport
Join Date: Nov 2011
Location: Montreal, QC

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Quote:
Originally Posted by bobbydigital View Post
Is the burbling and exhaust sound more pronounced in the cabin with windows closed? That's my main issue right now -- MPPK and MPE has great sound and burbles... When I have the windows down.

Damn interior is too well insulated!
Both! I'm actually noticing it much more now that the day I installed it... On cold starts there's a big difference too!

I have the actuator unplugged so my exhaust valve always remains open btw
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