I believe you need to get hold of a coding wizard. BMW is correct that a new combox wouldn't be recognized by your vehicle. BUT, a good coder should be able to flash whatever modules interact with the combox and get them all to play nice. Head over to the coding sub-forum on Bimmerfest...
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'22 ///X4M Competition - fully loaded Marina Bay Blue.
Lowered on MSS springs. 20" x 10 ET20 Vertini RFS1.2 wheels wrapped in Firestone Indy 500 Firehawk 275/40 tires (square setup).
Hers: '15 X4 2.8i - Glacier Silver - loaded M-Sport
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