2021-2023 BMW Tail Light Condensation TSB

Symptoms

Owners of certain 2021-2023 BMW vehicles may notice BMW tail light condensation appearing on the inner surfaces of their taillights. This can affect either one taillight or both, and is visible from the exterior of the vehicle.

The specific symptom described is: "Condensation is present on the inner surfaces in one or both taillights". This indicates moisture has accumulated within the taillight assembly, which can potentially affect light output or longevity of the unit.

Diagnosis and Trigger Conditions

The presence of BMW tail light condensation is typically identified through visual inspection. If you observe moisture or fogging inside your taillight lens, this manufacturer communication applies to your vehicle. The document does not specify particular environmental conditions that trigger the condensation, but it is generally a sign of a seal integrity issue or insufficient ventilation within the lamp housing.

Repair Procedure Summary

This manufacturer communication, NHTSA ID 10239610, addresses the concern of condensation in the taillights. While the document summary does not detail a specific repair procedure, such issues typically require a diagnostic assessment by a BMW technician. Depending on the cause and severity of the condensation, the resolution may involve inspecting the taillight seals, ensuring proper ventilation, or potentially replacing the taillight assembly if it is deemed faulty.

Owner Action

If you are experiencing BMW tail light condensation in your 2021-2023 BMW, it is recommended to schedule an appointment with an authorized BMW service center. Be prepared to describe the issue and point out which taillight(s) are affected. Reference manufacturer communication NHTSA ID 10239610 when discussing the problem with the service advisor.

Your dealer will be able to diagnose the specific cause of the condensation and perform any necessary repairs or replacements under warranty, if applicable.

Important Warnings

BMW is not explicitly notifying consumers about this specific manufacturer communication. Owners should proactively check their vehicles for the described symptom. If you notice "Condensation is present on the inner surfaces in one or both taillights", contact your dealership.

Source: NHTSA ID 10239610