Yes, the GPS antenna and cable are compatible with a generic $20 alternative. I think the plug type is an "SMG," but I can't remember for sure.

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SOLD
2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input