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2021 BMW X3 Sunroof Not Initialized Warning TSB

A manufacturer communication addresses the "SUNROOF NOT INITIALIZED" warning in 2021 BMW X3, X4, X5, X6, and X7 vehicles. This issue can occur if the sunroof loses its initialization due to extended switch activation, requiring a dealer visit for resolution.

Byeditor sarah mitchell2021 BMW X3
2021 BMW X3 — 2021 BMW X3 sunroof not initialized
Editorial illustration generated for this article.
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BMW X4
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BMW X5
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BMW X6
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BMW X7
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Symptoms

Owners of certain 2021 BMW models, including the 2021 BMW X3, may encounter a dashboard warning message stating, "SUNROOF NOT INITIALIZED." This indicates that the sunroof system has lost its calibration or basic settings, which can prevent it from operating correctly.

Diagnosis / Trigger Conditions

The primary cause identified for the sunroof losing its initialization is the extended activation of the sunroof switch. This prolonged input can disrupt the system's calibration, leading to the "SUNROOF NOT INITIALIZED" warning.

Owner Action

If your 2021 BMW X3 or other affected BMW model displays the "SUNROOF NOT INITIALIZED" message, it indicates a need for service. While the specific repair procedure is not detailed in this manufacturer communication, it typically involves re-initializing the sunroof system. This process usually requires specialized diagnostic equipment available at a BMW dealership.

It is recommended to contact your authorized BMW service center to schedule an appointment. They can properly diagnose the issue and perform the necessary re-initialization to restore full functionality to your sunroof.


Source: NHTSA Manufacturer Communication 10190856

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