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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > steptronic - 2nd gear at a stop



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      12-08-2005, 05:58 PM   #1
jcoo085
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steptronic - 2nd gear at a stop

I've been noticing something over the last couple of weeks and was wondering if anyone has heard something similar. When I'm at a complete stop and the car is in 2nd (using M mode, either voluntarily or the car automatically selecting 2nd as part of its downshift pattern) I hear this low 'rumble' or 'hum' (don't know how else to describe it) coming from the rear. It's a very audible distinction between 1st and 2nd.

Anyone else with a 320d (or other diesel/petrol model) hearing the same thing? Any thoughts?
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      12-08-2005, 06:37 PM   #2
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Rattling caused by resonance of certain frequencies of sound when in different gears? Never experienced myself.
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      12-08-2005, 06:40 PM   #3
jcoo085
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I thought of that. It just sounds weird so I was wondering if anyone had the same thing and if it was diesel specific or across the board.
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