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      02-18-2020, 01:19 PM   #34
JPuehl
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Drives: 2011 135i N55 DCT
Join Date: Mar 2015
Location: Greater Seattle area

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Quote:
Originally Posted by Supermoon View Post
My exhaust flap closes as soon as I start the engine (cold start) then opens when the rpm starts settling down to 700. That's when I start hearing the valvetronic motor running and the intake valves hitting.
This is how mine behaves as well, sorry if I wasn't clear.
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Jim
2011 135i DCT - FBO PS2


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