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      12-09-2012, 11:23 PM   #25
Mr. Nice Says Hello
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Drives: BMW M3 | X5 xdrive 35i MSport
Join Date: Dec 2008
Location: USA

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Originally Posted by ms372 View Post
quick question... say ur driving and you want to change from closed to open how can you tell if the valves are completely open or not ? it seems like you need to hold the button down till its open and the light stays red and doesnt change to another color to inform you that its fully open. is there an auto mode also? where say the valves open at a certain rpm.

great system and youe car looks gr8
You can barely hear the valve opening and closing. You can give ita rev and hear the difference as well. Also I timed it and it takes about 15 seconds to fully open and close.

Evolve E600 BMW E92 M3 | BMW E70 X5 xdrive35 M-sport