Hi everyone. Looks like a great and tidy messageboard you guys operate here. Just aquired my first BMW. A 750iL / 91er and I have some questions about the pre-mounted GSM-system that came with some of these E32īs. Can it be bought or obtained used and mounted without doing any particular wiring? Where would be a good source (in Europe) to obtain the necessary units/boxes (how many and where do they go?). I noticed when cleaning up my trunk today that there where some extra wiring. One white cable which seemed to lead up to a BMW-box (looked like an amplifier) mounted under the rear shelf in a black plastic cover. The "powercable" to this unit seemed to be removed. Since the car came with an un-standard Blaupunkt-unit I am not sure if this box has something to do with the original stereo or is a part of the GSM-system? I did find a GSM-antenna cable, and tested this with my Nokia-set and it works fine. Though I see no antenna on this car, neither for GSM or the radio. But both works as mentioned.