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      03-23-2016, 07:23 AM   #37
///Jason
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Drives: E89 Z4 20i S-Drive M-Sport
Join Date: Dec 2015
Location: Norfolk, UK

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Quote:
Originally Posted by 3tekcorps View Post
Awesome.. Thanks for the response. I think it keeps the exhaust valve closed or something like that in comfort mode. That's been my main concern since reading that a month ago. Besides how my kids are going to like the back seat.
Correct - In comfort mode the valves stay shut until around 4000rpm. In Sport modes the valves are always open however they close at certain points for performance reasons.
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