Quote:
Originally Posted by 430409M2
My MPE only rattled on start up if the valve was open. I got in the habit of turning on the car in comfort mode and closed valve, leaving the neighborhood then opening everything up.
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Quote:
Originally Posted by usafmike
Had the same issue with mine. The dealer sent videos to BMW and they said it was "normal." They kept it for a day and were able to do something to "quiet" it down a little bit, but it still rattles. I've just learned to live with it.
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Mine rattles in comfort mode and it's loud