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09-19-2015, 02:12 PM
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#12
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BimmerPost Supporting Vendor
Drives: 2015 BMW M4
Join Date: Nov 2011
Location: Anaheim
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Quote:
Originally Posted by JTmarlin
Kevin, new to the F82, can you explain what the following means?
"Quiet Cold Start in mornings compared to OEM operation"
Haven't got my car yet, but my understanding is the stock exhaust keeps the valves closed when cold start so that it is quiet, then they open when the car warms up or in Sport which then makes a louder exhaust? Do i have it backwards?
Sorry for my ignorance on this....
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PM coming your way
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