Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
63 21 300 Replacing Circuit Board For Left Or Right Rear Light (Up To 03/2005) (On Side Panel)
Necessary preliminary tasks:Β
- Remove rear lightΒ See 63 21 180 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT REAR LIGHT (ON SIDE PANEL)Β
Open catch (1) and fold out circuit board (2).
Disconnect plug connection (4) and remove circuit board (2).
Installation:Β
Make sure circuit board (2) is correctly seated on supports (3).
Release screws (1).
Remove circuit board for rear light (2) from rear light (3).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.