MAGNETIC CLUTCH AIR CONDITIONING COMPRESSOR FITS: BMW 5 SEDAN 545 I/540 I/550 I/530 D/535 D/525 D/530 XD/525 XD/525 D XDRIVE/530 D XDRIVE.BMW 5. I. Belt Pulley Ø [mm]. We will get back to you as soon as possible in 1-2 working hours and in 24 hours during the weekend.