Just to be absolutely clear, the plate that sits in front of the compressor pulley (sort of 3 legged shape) rotates with the pulley ALL the time and the mag clutch is inside. You see no difference from the outside when the clutch engages/disengages? Different from any other compressor I have seen ...

Like the Porsche 928 systems I work on the noseplate in front of the pulley should not rotate if the system is off or there is low gas, I believe? Mine rotates all the time and if I grip it to rotate it by hand (engine off of course!) it feels solid. I think it has become welded to the pulley and is ...

E70 4.8 V8. Now the weather is warming up it is obvious that the A/C is not functioning. I checked it a month ago and it was low in gas but not empty so it was topped and appeared to work - for a while. I need to put the gauges back on but I am puzzled as the compressor nose is turning even if the A ...

Hi. I'm new to the forum. I have recently bought a 2007 X5 E70 4.8 V8 and we already had a 530 F10 diesel. I guess I have been BMW ed. The F10 has given very little trouble but I bought an ISTA-D diagnostic tool (to reset the rain sensor of the F10) so I have some experience. I also work on Porsche ...