Hey guys. Anyone had expirience with the matter? My car doesnt have this option and i baught steering wheel with it so what should be done to get it to work?

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E70 LCI 3.5d.
Bmw history: 320 e36 => 325 e36 coupe => X3 3.0d => 530 e60 => X5 e53 3.0d => K1200 RS => M3 E46 => X5 3,5d E70 LCI...