Quote:
Originally Posted by muddycharles
A/C = turn off the AC and see if it goes away (the snowflake) - I have this problem on a 2006 X3
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This happend to my X5 as well, sound happens once every 2 weeks and finally nailed it to the AC blower, switch it off and sound cuts off.
Does the sound occur whenever you are in motion or you hear it at standstill?