Help with wiring a towbar plug - BMW 320d Facelift 2005

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Hi, anyone able to assist in wiring a towbar plug on a Facelift model E46 2005 model? The brake and park light is separate, not on the same globe as in previous models. If I do the connection straight to the plug, will I pop something? I have to do it by this weekend at the latest so I can go to Pretoria to fetch my Lexus engine....

 

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Hi guys, is there anyone that can assist in doing the wiring for a towbar? The towbar came with a relay module BMW 61.35-8 369 019, which I suspect must somehow connect to the rear lights? But a search on Goggle did not result in a wiring diagram for this module. Where is the electrical boffins today?

 

[Rooi_Willie]

Is it a westfalia towbar? Diagrams should be available.

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Sorted out. I compared the relay box wiring to my other Beemer and this is how it is connected. I tested it and it works. Maybe someone else will find this helpfull.
Output to towbar plug:
Grey/Black - Left park
Grey/Red - Right park
Black/white - Brake
Blue/yellow - Right indicator
Blue/red - Left indicator
Input to relay box (BMW 61.35-8 369 019):
Grey/purple - Left park
Grey/yellow - Right park
Black/blue - Brake
Blue/green - Left indicator
Blue/brown - Right indicator
The relaybox is also connected to the battery and also earthed, otherwise it won't work.