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X3 Trailer Module AHM Needs Coded Before Working?
I've had a hitch on my wife's 07 X3 for several years now but have never been able to get the 7 way to work properly. I have used 3 different AHMs and they all do the same thing. Does the car/module need to be coded to this car to work properly? It worked fine on my 06 X5 with no coding. Help is appreciated
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2000 e39 M5 Titanium on Black
2006 e53 M54 Titanium on Black
2007 e83 Black on Black Sport pkg
2004 Avalanche 2500 lifted 4.88 gears
1994 jacked up Jeep
1987 GMC lifted short bed on tons
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