2021-2023 BMW X3 Dim Daytime Running Lights TSB

Why This Matters

Daytime Running Lights (DRLs) are crucial for vehicle visibility, helping other drivers and pedestrians see your car, especially during daylight hours. When your DRLs are dim or discolored, it can reduce your vehicle's visibility and potentially compromise safety on the road.

Symptoms

Owners of affected 2021-2023 BMW vehicles may notice that "one or more of the LED daytime running lights are dim or discolored." This issue specifically impacts the exterior lighting system, leading to a noticeable reduction in the brightness or a change in the color of the DRLs. If you observe a BMW X3 dim DRL or a change in its appearance, it's important to have it inspected.

What the TSB Addresses

BMW has released Technical Service Bulletin (TSB) 10235200 to provide guidance to dealerships on how to diagnose and resolve issues related to dim or discolored LED daytime running lights. This TSB focuses on the EXTERIOR LIGHTING component, ensuring proper function and appearance of the DRLs across various models.

Repair Procedure Summary

While the TSB itself outlines the specific diagnostic and repair steps for technicians, the general approach for a BMW X3 dim DRL issue typically involves an inspection of the LED daytime running light modules. Depending on the diagnosis, the repair may require replacement of the affected LED components or associated wiring to restore proper brightness and color.

What Owners Should Do

If you own a 2021-2023 BMW X3, X5, X7, or 5 Series and have noticed your LED daytime running lights are dim or discolored, it is recommended to contact your authorized BMW service center. Inform them about the issue and mention TSB 10235200. The dealership will be able to perform the necessary diagnostics and repairs according to BMW's specifications.

Source: NHTSA Manufacturer Communication 10235200