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Home >> BMW >> 2021 >> M440i xDrive >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle -- Repair (G22, G23 & G26) >> 33 10 Rear Differential Assembly >> 33 10 656 Replacing right rear differential servomotor (after vehicle diagnosis) (4' Series coupe, convertible, and Gran Coupe sedan) >> Replacing servomotor

Replacing servomotor

WARNING: Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly  .
Danger! Immobilization period-threatening injuries! 
WARNING: Hot exhaust system  .
Risk of burning! 
  • Any work must exclusively be carried out with an exhaust system that has cooled down.

Preliminary work 

G14299647Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
The gearing of servomotor and idler gear must be checked and the positive locking ensured.
G14299646Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATION

Servomotor on rear axle differential 
M6
Replace screws.
tightening torque  9 Nm

Follow-up work