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.
54 12... Notes on greasing slide/tilt sunroof
Use only RHF 1 lubricating grease (sourcing reference: BMW Parts Department) to grease the slide/tilt sunroof.
Apply grease only in the relevant area (new parts).
Grease the areas in the following left and right in each case.
Contact surface at cowl panel.
Clip connection of water channel.
Rail (1) interior and exterior.
Rail (2).
Across the entire length of the guide rail of the sliding roofliner.
Across the entire length of the guide rail of the sliding roof mechanism.
Limit position (1).
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.