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BMW X1: Whistling from door mirror area at 60-80 kph

Tuesday 7th February 2017
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Question: We have a 2011 BMW X1 in for service and the customer has complained of a whistling noise from the door mirror area when driving at a constant speed between 40-50 mph (60-80 kph). We have heard the noise on road test but we are having difficulty finding the source of the whistling noise in the workshop. Have any other X1 owners reported a whistling noise before?

Answer: Yes, this whistling noise has been reported before on several BMW models produced up to 23/11/13. The noise is due to excessive clearance between the door mirror housing and the door mirror upper cover. Remove the door mirror upper cover. Cut a length of felt tape, available from BMW parts department, to a width of 9 mm. Apply felt tape to the indicator repeater lamp fig1.1. Refit the door mirror upper cover. Carry out road test to ensure whistling noise has been eliminated.