In the bdc you have to arrive with the single cables. Connector are already here. You have to fill the empty holesThats brilliant thank you, how do you connect the new wiring into the BDC? I have ordered an 8 way connector as thats what is on the back of the screen, but perhaps that was the wrong way to do it BMW VW Wiring Cable Plug Terminal Connector 8 Pole 6954526 61136954526 6954522 7625715724060 | eBay
So you have taken a 4 pin from the heater control panel to 4 pins on the audio control panel and then the original 4 pin from the heater control panel then goes into the back of the audio control panel?
I feel like my brain is on fire!