The Hi Line unit is in the boot and is connected to the car loom in the BMW connector at the bottom of the centre console, behind the ashtray unit.
You will need to replace the High Line loom in that connector with a BMW to ISO adapter lead to the DD unit.
One problem is that BMW to ISO adapter leads don't carry the cables for the steering wheel controls, so for that you need to extend the Blue/Orange and Blue/Purple cables from the BMW connector on the car loom to the head unit.
|