I have just bought my first bimmer a 2002 x5 4.4i. I love it and have been researching about upgrading to bluetooth in it. I have option 640 according to the dealer but I cant find the 54pin or DB25 (the production date is right on the cutoff 2002-03-1. I have ripped the back of the car apart and only found the blue SES cable, a white 18 pin connector and a few smaller connectors.

Does anyone know what the white 18pin connector is and is there any weird locations they can hide the ULF connector??

I'll take some pics tomorrow of the connector and what other connector's I can find.

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2002 TITANSILBER METALLIC E53 X5 4.4i