Necessary preliminary tasks
- Secure ENGINE IN INSTALLATION POSITION
- Disconnect NEGATIVE BATTERY CABLE
- Remove BOTH FRONT WHEELS
- Remove FRONT STABILIZER BAR
- If necessary, remove radiator seal
- If necessary, remove steering gear cover on left and right
- E90, E91, E92: Remove STIFFENING STRUT
- E93: Remove V-strut
- E93: Remove mounting fixture
- Remove LOWER SECTION OF STEERING SPINDLE FROM STEERING GEAR
- If necessary, disconnect plug connection from ride-height sensor
- If necessary, disconnect vacuum line from electrically operated valve to engine mounts at T-piece
- Remove both TENSION STRUTS FROM FRONT AXLE CARRIER
- Remove both CONTROL ARMS FROM FRONT AXLE CARRIER
- Remove both TIE RODS ON STEERING GEAR
Version with active steering:
Disconnect plug connections (1) and unclip connecting line (2) from front axle carrier.
Version with active steering:
Disconnect plug connection (1) from power steering pump and expose connecting cable up to front axle carrier.
Disconnect plug connections (2) on power steering gear.
Build date up to 03/2007: Disconnect plug connection on cumulative steering angle sensor.
Lower front axle carrier See 3111506 LOWERING/RAISING FRONT AXLE SUPPORT (UNIVERSAL LIFTER) or 3111506 LOWERING/RAISING FRONT AXLE SUPPORT (SWZ00-2040) a little.
If necessary, remove heat shield above right tie rod gaiter.
Remove steering gear from front axle carrier . See 3213070 REMOVING AND INSTALLING (REPLACING) ELECTRIC STEERING GEAR (EPS) ; 3213060 REMOVING AND INSTALLING/REPLACING POWER STEERING GEAR or 3213065 REMOVING AND INSTALLING/REPLACING ACTIVE FRONT STEERING POWER STEERING GEAR and tie up.
Lower front axle carrier . See 3111506 LOWERING/RAISING FRONT AXLE SUPPORT (UNIVERSAL LIFTER) or 3111506 LOWERING/RAISING FRONT AXLE SUPPORT (SWZ00-2040) .
Remove heat shield(s) from front axle carrier.
If necessary, remove wiring harness (1) for active front steering from front axle carrier.
Remove both engine mounts . See 2211001 REPLACING RIGHT ENGINE MOUNT (N51/N52/N52K/N53) or 2211011 REPLACING LEFT ENGINE MOUNT (N51/N52/N52K/N53) (2).
M57T2: Release bolts and remove both support angles (3).
Tightening torque 31 10 4AZ .
If necessary, disconnect vacuum line (1).
If necessary, release bolts and remove reinforcement plates (2).
Installation:
Use previous front axle carrier as a template for modifying or replacing small parts.
Tightening torque 31 10 5AZ .