1.0 Sealing Compounds
Seam Sealer, Sikaflex 221 may be used to seal adjoining sheet metal parts which create creaking noises due to interactive contact. High-adhesion, polyurethane-based, black-colored.
Sikaflex 221 Sealer
BMW Part No. 81 22 9 407 533
Other sealants for body panels are found in Group 97 (Body Cavity Sealings and Undercoatings).
2.0 Lubricants
BMW offers several lubricants which are formulated for specific components in Group 41. Some of these lubricants also appear in the "Universal Lubricants" group.
3.0 Door Hinges and Pivots
Moly spray for quieting squeaks and similar noises.
(former BMW Part No. 81 22 9 400 720)
3M Part No. 8876
Loctite Part No. 24378
4.0 Door Brakes
Grease for any sliding contact area, especially door brake mechanisms.
(former BMW Part No. 81 22 9 407 629)
3M Part No. 8878
Loctite Part No. 20029
5.0 Door Locks
Lock cylinder lubricant prevents locks from jamming in sub-freezing temperatures. Insert tip of spray can directly into keyslot.
(former BMW Part No. 81 22 9 407 421)
3M Part No. 8878
Wurth Part No. 893051
Loctite Part No. 20029
6.0 (HKL) Automatic Trunk Lid Lift Hydraulic Fluid
E65/E66 Automatic Trunk Lid Lift Hydraulic Fluid
BMW Part No. 51 24 7 066 901