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Home >> BMW >> 2021 >> 840i xDrive 2D Convertible >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle -- Repair (1 Of 2) (G14, G15, & G16) >> 33 11 Rear Differential Seals >> 33 11 181 Replacing. the left and right radial shaft seals for drive flanges (M850i Gran Coupe xDrive sedan) >> Replacing the radial shaft seal for the drive flange on the left and right

Replacing the radial shaft seal for the drive flange on the left and right

WARNING: Hot surfaces  .
Risk of burning! 
  • Perform all work only on components that have cooled down.
WARNING: Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly  .
Danger! Immobilization period-threatening injuries! 
NOTE: RISK OF DAMAGE 
Damage to rear differential  .
Failure to comply with the oil specifications can result in serious damage to the rear differential  .
  • After completion of repair work, check the oil level in the rear differential.
  • Use only the approved final drive oil.
NOTE: RISK OF DAMAGE 
Mechanical effects  .
Paint damage  .
  • Mask those working areas at risk with yellow plastic adhesive tape.
  • Remove and install heavy or bulky components with the aid of another person/other persons.

Preliminary work 

NOTE: Perform the steps on the right and left side.

Remove the radial shaft seal 

NOTE: TECHNICAL INFORMATION 
Radial shaft seal ring are equipped with an installation protection ring. The installation protection ring is used to protect the sealing lip when installing the output shaft.
NOTE: TECHNICAL INFORMATION 
Different variants may be installed depending on the vehicle equipment.

Follow-up work