LIN bus

BMW iBus/kBus Enables support for the iBus/kBus of older BMW models such as E39/E46. Lets you assign all six multimedia steering-wheel buttons to any actions. In addition, the selector backlight will follow the car's factory backlight brightness control.

Connect the controller's LIN bus pin anywhere on the car's iBus/kBus. For example: pin 21 of the light module (LCM) in a BMW E46.