Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow
IMPORTANT: Risk of injury!
Drain the air spring system before carrying out any work on the air supply unit,
air pipes and air spring struts! Danger of injury if this instruction is not
complied with!
Necessary preliminary tasks
Remove REAR BUMPER TRIM
Detach ventilation line (1) in direction of arrow from air supply unit.
Unclip ventilation line (1) from holders.
Fig. 139: Locating Air Supply
Instrument Cluster Test Functions
The test functions are shown in the TFT display of the instrument cluster.
To Start Function Test
Terminal R ON or terminal 15 ON.
Press and hold the reset button in the instrument cluster for 10 seconds
(set/reset).
or
by holding down the setting button in
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 Gr