Service Bulletin

2021 BMW X3 Daytime Running Light Dim or Discolored

A manufacturer communication, NHTSA ID 10186226, addresses a common issue in 2021 BMW X3 and other models where the daytime running lights appear dim or discolored. This problem stems from a damaged connection between the LED module and the light tube inside the headlight assembly.

Byeditor david chen2021 BMW X3
2021 BMW X3 — BMW X3 daytime running light dim
Editorial illustration generated for this article.
NHTSA 10186226"DAYTIME RUNNING LIGHT IS DIM OR DISCOLORED"EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBSEXTERIOR LIGHTINGBMW X3 daytime running light dimBMW X3 DRL discoloredLED module damagedlight tube damaged2021 BMW X3 headlight issue2021 BMW 5 Series DRL problem
BMW 530e
2021
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2021
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2021
BMW 740i
2021
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2021
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2021

Symptoms

Owners of certain 2021 BMW models, including the X3, may notice that one or more of their LED daytime running lights (DRL) are dim or appear discolored. This issue affects the visibility and aesthetic of the vehicle's front lighting.

Diagnosis / Trigger Conditions

The root cause for the BMW X3 daytime running light dim or discolored appearance has been identified. The problem lies within the headlight assembly itself. Specifically, the connection between the LED module and the light tube inside the headlight becomes damaged, leading to the observed lighting malfunction.

Owner Action

If you observe your 2021 BMW X3 daytime running light dim or discolored, it is recommended to contact your authorized BMW dealership. They can diagnose the specific issue and perform the necessary repairs. Since this is a known issue addressed by a manufacturer communication (NHTSA ID 10186226), the dealership will be aware of the underlying cause and appropriate corrective actions.


Source: NHTSA ID: 10186226

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