No problem driving the X with an in-process nav retrofit. The nav and A/V components are kind of stand-alone relative to the rest of the car's functioning. The only real tie-in to other systems is the wheel speed sensor wire.
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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
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