Burned-Out Parking Bulb
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A burned-out parking bulb is the most common reason for a parking lamp warning on your BMW dashboard. The vehicle monitors circuit resistance in parking light circuits, so even a dimmed or partially failed bulb can trigger the fault. Unlike some electrical gremlins, this one has a straightforward fix: find the dead bulb, swap it out, and the warning typically clears right away.
What it feels like
You'll see a parking lamp or side marker warning light on the instrument cluster, often with a message like "Parking Light Off" or "Check Parking Lights." The warning may appear when you first start the car or while driving. In some cases, one corner of the car stops illuminating when you engage the parking lights or daytime running lights. Other times the bulb still glows faintly but below spec, and the car's sensor catches the voltage drop. The warning is purely informational and does not affect drivability.
How to confirm it
- Identify which parking light is reported in the warning message. Check your owner's manual or the instrument cluster display to pinpoint the corner or side (front left, front right, rear left, rear right, or side marker).
- Locate the bulb in the headlamp assembly or tail light cluster. Consult your model's service manual or search online for the exact location on your generation.
- Remove the bulb and inspect it visually. Look for a darkened filament, burnt glass, or discoloration inside the bulb housing. Even if it still lights, a weak or aging filament will fail the resistance check.
- Test the bulb in a known-good socket or use an ohmmeter to measure its cold resistance if you have one available.
- Install a new OEM-specification bulb rated for your BMW model and parking light circuit. Start the car and verify the warning disappears.
Sources
- https://www.bimmerforums.com/forum/showthread.php?1271497-Parking-Light-Error
- https://f30.bimmerpost.com/forums/showthread.php?t=854105