I have the Audi Navigation unit in my latest 8P.
I’ve fitted a mic for the phone which works fine but the wires use pins 1 & 7 on the blue quadlock. this leaves the grey & green that did the AUX now redundant.
The diagram on the unit shows pins 1 & 7 as AUX & pins 6 & 12 as tel. These pins...
Been reading this thread with interest.
My A3 2.0 TDi Quattro 2010 has similar brake judder that you are describing, like you I’ve tried most things, pads, discs etc & have come to the conclusion that it is the calipers at fault.
I put new sliders on, greased up & it was fine for a while. Then...