BMW Compressed Air System Air Compressor / Pump Part Code Part Model Part Name 3720 6789 450 F02 Air Pump 3720 6859 714 E70/71 Pumps 3720 6861 882 G12 Air Pumps 3722 6787 616 E65/66 Air Pumps | Mercedes-Benz BMW Compressed Air System Air Compressor / Pump Part Code Part Model Part Name 164 320 12 04 W166 Air pump 211 320 03 04 W220/219/211 Pumps |