2021 BMW X3/X4 Door Paint Streaks TSB

Owners of certain 2021 BMW X3 and X4 vehicles may observe a cosmetic issue involving paint streaks on the exterior doors. This concern, identified in manufacturer communication NHTSA ID 10188941, describes streaks that run mostly vertically down the outer door skin, typically originating from the lower window trim. This issue, referred to as "DOOR PAINT STREAKS," can affect any of the four side doors on the vehicle.

Symptoms

The primary symptom of this issue is the visible appearance of streaks on the exterior of the vehicle's doors. These "DOOR PAINT STREAKS" are usually vertical and are found along the outer skin of the door, starting from the lower edge of the window trim. Owners might notice these streaks on one or multiple doors of their 2021 BMW X3 or X4.

Diagnosis / Trigger Conditions

The manufacturer communication indicates that the streaks are found running mostly vertically down along the door outer skin from the lower window trim. While the exact trigger conditions are not detailed in the summary, it suggests a potential interaction between the trim and the door's painted surface. The presence of these visible "DOOR PAINT STREAKS" is the key diagnostic indicator for this particular concern.

Owner Action

If you own a 2021 BMW X3 or X4 and notice vertical "DOOR PAINT STREAKS" on your vehicle's doors, it is recommended to contact your authorized BMW dealership. They can inspect the vehicle and determine the appropriate course of action based on the manufacturer's guidelines outlined in communication NHTSA ID 10188941. This issue is primarily cosmetic and does not typically affect the vehicle's operation or safety.

Source: NHTSA ID 10188941