you can tell if you have BT by pressing the man face button on your steering wheel, or looking in the back for the BT module. In her X3 i mounted the wire to the iphone up to where the caddy holder thing is in the dash where normally the GPS goes and she gets in plugs in the iphone and bam, music, phone controls all in steering wheel

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My Rides:
00 Dakota Crew Cab,
01 911 Aero
01 X5 4.4
05 X3 3.0
06 Elise