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Old 12-30-2019, 12:50 AM   #3904
E90M3
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Quote:
Originally Posted by SumAznGuy View Post
I was thinking the same thing. That model of RR has that feature where the exhaust has that backfire, like the AMG's and newer M3/M4's.

If they had that on and were backfiring, then yeah I can see where the officer thought it was worthy of a VI, though slightly mis-informed.
They backfire with the valves closed also
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