Thread: Golf Tee mod for M3?
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      07-02-2008, 05:05 PM   #14
GregW / Oregon
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Drives: 2023 M2 Coupe, 2020 GLE 450
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Quote:
Originally Posted by lucid View Post
I think they are all open all the time. I don't think there is a valve anywhere in the exhaust system.
Look at this pic of the Concept car last year--there was definitely a vacuum valve in it. Guess it didn't make it to production:

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Greg Lake Oswego, Oregon, USA
2023 M2 Coupe - Brooklyn Grey/Cognac/CF, 6MT; 2020 MB GLE 450
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