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April 1, 2020 Service bulletin

G01 wind noise diagnosis

BMW technical service bulletin B510920 for 2018-2020 BMW X3.

Bulletin number
B510920
Component
Suspension
Summary
G01 WIND NOISE DIAGNOSIS: Customer complaint of hissing or wind noise present in the interior of the vehicle at speeds above 60 mph. CAUSE The following areas and defects may cause this complaint: 1. A pillar gutter trim not correctly installed. 2. Door seal not correctly installed or a gap exists between the seal and the body. 3. Side view mirror cover deformity. 4. Improper door adjustment. 5. Side view mirror assembly to door alignment and triangle seal deformity.

Owners of these vehicles have filed 8 complaints in the suspension category.

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