BMW 428i xDrive left turn signal and brake light failure due to burned circuit and pin replacement on BMW 428i xDrive

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some BMW 428i xDrive owners report experiencing left turn signal and brake light failures due to a burned circuit and pin, which can lead to serious safety concerns and visibility issues on the road. These owners may need to replace the burnt-out circuit and pin to restore functionality, a process that requires careful handling to ensure proper installation. Additionally, when addressing this issue, it is crucial to follow safety precautions, such as avoiding direct contact with the bulb to prevent premature failure. For those unsure about performing the replacement themselves, seeking professional assistance from a certified BMW technician is advisable for accurate diagnosis and repairs. In some cases, diagnostic tools may be utilized to identify the specific problems causing the failures. Furthermore, owners should check for any recalls or warranty coverage that may apply to their vehicle regarding this issue, as it could potentially facilitate repairs. Promptly addressing the burned circuit and pin can help ensure the safety and functionality of these essential components.

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