BMW 7 Series: Emission Control, Oxygen Sensor

 Removing And Installing Or Replacing Junction Box Electronics

IMPORTANT: Read and comply with notes on protection against electrostatic discharge (ESD PROTECTION). Necessary preliminary work Partially remove power distribution box for passenger compartment. Disconnect plug connection (1). Pull junction box electronics (2) out of bracket. Installation not

 Repair Work On GFP Components With Gelcoat Surface

Scratches in Gelcoat surface Scratches in the Gelcoat surface which do not allow the GFP mat structure to show through can be touched up. Sand out scratches with water and 800 wet sandpaper. Then sand with water and 2000 wet sandpaper. Prepare repair area for polishing. Cracks in Gelcoat surface