3111506 Lowering/raising front axle support (SWZ00-2040)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 335i, 2010 BMW 328i, and 2010 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.

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!
See SECURE ENGINE IN INSTALLATION POSITION WITH SPECIAL TOOL (N51) or SECURING ENGINE IN INSTALLATION POSITION (N52) to prevent it from falling down to prevent it from falling down.

IMPORTANT: N47, N57: Danger of short-circuiting at starter!

Necessary preliminary tasks

SECURE ENGINE IN INSTALLATION POSITION WITH SPECIAL TOOL (N51) or SECURE ENGINE IN INSTALLATION POSITION (N52) to prevent it from falling down.
Remove FRONT ASSEMBLY UNDERSIDE PROTECTION
If necessary, remove radiator seal
If necessary, remove steering gear cover on left and right
Remove REINFORCEMENT BRACE/V - STRUT ON LEFT AND RIGHT
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 electrically operated valve to engine mounts at T-piece

Version with Electric Power Steering (EPS):

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

If necessary, position special tool 00 2 040 FIXTURE with 2nd person helping on workshop jack.

Insert special tool 31 4 051 and 31 4 060 FIXTURE into corresponding receptacles of special tool 00 2 040 FIXTURE .

Align special tool 00 2 040 FIXTURE to front axle carrier.

NOTE: Make sure when raising that special tools 31 4 060 FIXTURE are correctly inserted in the rear recesses on the front axle carrier.

If necessary, lower special tool 33 3 274.

Fig 2: Inserting Special Tool 31 4 051 On Front Axle Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Support front axle carrier by raising special tool 00 2 040 FIXTURE .

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

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

Tightening torque 31 10 1AZ .

Fig 3: Identifying Front Axle Carrier Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Carry out steering angle sensor adjustment/adjustment for active steering See 6131996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT or 3210005 ADJUSTMENT FOR ACTIVE FRONT STEERING