Does anyone here have a Z4 with navigaiton that they could tell us more about? For example, does the navigation's knob offer any radio control features, such as selecting presets or INFO/SELECT options?

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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