3111506 Lowering/raising front axle support (universal lifter)

Special tools required

00 2 030
31 5 251
31 5 253
31 5 256

IMPORTANT: Before lowering front axle support:
In order to avoid damage to lifting platform, perform weight compensation on vehicle.
Load spring strut domes with sand bags.

WARNING: Danger to life!
SECURE ENGINE IN INSTALLATION POSITION to prevent it from falling down.

IMPORTANT: N47, N57: Risk of short circuit on starter!

Necessary preliminary tasks

Secure ENGINE IN INSTALLATION POSITION
Remove FRONT ASSEMBLY UNDERSIDE PROTECTION
If necessary, remove radiator seal
If necessary, remove steering gear cover on left and right
E90, E91, E92: REMOVE stiffening strut
E88, E93: Remove V-strut on left and right
E88, E93 Remove diagonal struts from 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 electric changeover valve to engine mounts at T-piece

Cut open cable tie (1) for connecting line on front axle carrier.

Fig 1: Identifying Cable Tie

Courtesy of BMW OF NORTH AMERICA, INC.

WARNING: Risk of injury!
Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.

When supporting components, make sure that

the vehicle can no longer be raised or lowered
the vehicle does not lift off the locating plates on the lifting platform

Engage 31 5 251 with a 2nd person helping completely on workshop jack 00 2 030 .

Insert special tools 31 5 253 in telescopic supports of a profile rail pair.

NOTE: In a profile rail pair two profile rails are connected to each by toothing.

Insert special tools 31 5 256 in telescopic supports of other profile rail pair.

Fig 2: Identifying Special Tools 31 5 253 And 31 5 256 In Telescopic Supports

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The jacking points on the left side are shown.

Align special tools 31 5 253 and 31 5 256 to front axle support.

Support front axle support by operating workshop jack 00 2 030.

Fig 3: Identifying Special Tools 31 5 253 And 31 5 256 On Front Axle Support

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Pay attention to power steering hoses and lines when lowering and raising. Hoses/lines must not be kinked/tensioned/bent!

Release bolts (1-3).

Lower front axle carrier max. 10 cm; if necessary, disconnect cooler return line/coolant pipe from front axle carrier.

Installation:

Check threads for damage; if necessary, repair with HELICOIL THREAD INSERTS .

Make sure screws are installed in correct positions.

Bolt (1) M12x90
Bolt (2) M12x145
Bolt (3) M12x53

Fig 4: Identifying Front Axle Carrier Bolts
Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down first screws (1) and then screws (2,3).

Tightening torque 31 10 1AZ .

After installation

Carry out STEERING ANGLE SENSOR ADJUSTMENT/ADJUSTMENT FOR ACTIVE FRONT STEERING