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Exhaust Valves Closed in Sport Plus To Pass Sound DB
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09-11-2020, 01:27 AM
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Yadadameans
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Drives: F87 M2 Competition
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Quote:
Originally Posted by
bjorn///M
I have the same dilemma as you. I have MPE on my M2C and I'm registered to go on 10/1. It is a 90 db day at Laguna.
Check this thread.
https://f80.bimmerpost.com/forums/sh....php?t=1750168
Thanks for the thread. Seems like someone with a M4 passed 92db with AA midpipe in Sport+ full throttle
Appreciate
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