33 32 ... Replacing bearing block for front trailing arm

WARNING: This page is about a different car, the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

33 3 280 SETTING GAUGE

Necessary preliminary tasks:

Remove rear wheel, see 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL .
Disconnect plug connection for pulse generator; if necessary, expose lead up to trailing arm, see 34 52 535 REPLACING A REAR PULSE GENERATOR .
Only on right side: Disconnect plug connection for brake pad sensor; if necessary, expose lead up to trailing arm

IMPORTANT: Risk of damage!
Brake hose must not be exposed to tensile loads.

Release screw and remove bracket with brake hose.

Tightening torque: 34 32 3AZ, see 34 32 BRAKE LINES .

Fig 1: Locating Bracket With Brake Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Mark position of bearing block (1) to body (2) with colored mark (3); this simplifies subsequent toe-in adjustment.

Unfasten screws.

Tightening torque: 33 32 13AZ, see 33 32 CONTROL ARMS AND STRUTS .

Lower workshop jack and pull trailing arm downwards.

Installation:

Check threads for damage; if necessary, repair with Helicoil thread inserts, see 33 00 ... Notes on repairing threads .

Fig 2: Locating Mark Position Of Bearing Block To Body With Colored Mark

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten nut.

Pull out screw.

Remove bearing block towards top.

Installation:

Replace self-locking nut.

Tightening torque: 33 32 12AZ, see 33 32 CONTROL ARMS AND STRUTS .

Fig 3: Pulling Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation with special tool:

Installation:

Secure special tool 33 3 280 to bearing pedestal with a screw and align to wheel center. Place bearing block in position and screw down.

Tightening torque: 33 32 12AZ, see 33 32 CONTROL ARMS AND STRUTS .

Fig 4: Locating Special Tool (33 3 280)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation without special tool:

Installation:

Place tube (1) (length = approx. 500 mm, dia. = 16 mm) flat on bearing block, secure with screw clamp and align tube center to wheel center. Screw bearing pedestal down in this position.

Tightening torque: 33 32 12AZ, see 33 32 CONTROL ARMS AND STRUTS .

Fig 5: Locating Tube

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Perform 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION