Well, I don't see it in that picture, so it is not where the BMW wiring diagram software says it is. Hmmm. I am not sure exactly where it is in the X5.

The Trimble module is a little silver box, about 2 cm x 15 cm x 20 cm with a 2 cm flange around the edge.

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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