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01-10-2020, 02:22 AM
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#9
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Private First Class 
Drives: G
Join Date: Nov 2019
Location: United States
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Quote:
Originally Posted by bimmer456
It is closed in comfort mode. If you put it in sport it will eventually open up once it is warmed up. At least on the F30. Maybe it just needs to be warmed up in comfort for it to open on G20. Its to allow the cats to come up to temp more quickly to meet emissions regs. It will also sound louder and more aggressive.
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Makes sense!
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