22/07/2026
BMW 3 series presented for air conditioning not working and brake judder.
Why we are different.. we measure and test using information we subscribe to against manufacturers data.
Photo 1 shows Joshua measuring the runout on the brake disc this was confirmed to be outside tolerances.
Picture 2/3 shows two indépendant wiring diagrams for the air conditioning compressor
The wiring was checked and the control signal was measured, picture 4, using the oscilloscope confirming a new ac compressor is required.