Special tools required:
IMPORTANT: Before and after replacement, execute the "Repair" service function with the BMW diagnosis system.
READ AND COMPLY WITH NOTES ON PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
Disconnect connector (1).
Release screws (2) and remove transfer box from control unit (longitudinal torque module) (3).
NOTE: Radial shaft seal of actuator shaft must be replaced as well.
Thread special tool 23 0 490 into radial shaft seal (1).
Drive out radial shaft seal (1) with impact weight (2).
Push the assembly sleeve 11 1 380 over the actuator shaft.
IMPORTANT: Nonobservance involves a risk of damage to the radial shaft seal.
Slide the new radial shaft seal (1) over the assembly sleeve (2) onto the actuator shaft.
Drive radial shaft seal fully home using special tool 11 1 200 and plastic hammer.
Remove the assembly sleeve.
After replacement: CARRY out programming/encoding.
BMW X3 Service & Repair Manual > Shock absorber: Information on replacing shock absorbers
Situation:
When a shock absorber is faulty on one side (leaking, noises, limit values exceeded on the shock tester), often
both shock absorbers on the axle in question are replaced.
Effect:
This is not necessary for technical reasons and causes the manufacturer not to recognize the unneces ...