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January 1, 2020 Service bulletin

Water runs out of driver's door when opening

BMW technical service bulletin B510320 for 2019-2020 BMW Z4.

Bulletin number
B510320
Component
Structure: body: door
Summary
WATER RUNS OUT OF DRIVER'S DOOR WHEN OPENING: If the vehicle is parked on an incline (front higher than the rear) water may not be able to flow out of the door. Upon opening the door water may flow out rapidly. The collected water does not run inside the car. The door seal creates such a tight seal that water can't flow from the door.

Owners of these vehicles have filed 2 complaints in the body category.

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