11-12-2019, 09:35 PM | #1 |
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Drives: 2018 M3 ZCP Azurite Black
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Exhaust Sound after Start up ?
When I start my 2018 ZCP and just tap the gas it has a really nice sound to it. Inside is this because the valves are closed or open at that time?
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11-12-2019, 11:35 PM | #3 |
Enlisted Member
9
Rep 48
Posts
Drives: 2018 M3 ZCP Azurite Black
Join Date: Aug 2016
Location: Texas (DFW)
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So they close after they warm up? I thought it was opposite.
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Appreciate
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