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

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

33 3 280

Necessary preliminary tasks:

Remove REAR WHEEL
Unplug CONNECTOR FOR PULSE SENSOR ; if necessary, expose lead up to trailing arm
Only on right side: Unplug connector for brake pad sensor; if necessary, expose lead up to trailing arm

IMPORTANT:

Check sensor head and line from pulse sensor prior to installation for external damage, replacing if necessary.

IMPORTANT:

Risk of damage!

Brake hose must not be exposed to tensile loads.

Release screws (1) and remove holder with brake hose.

Tightening torque 34 32 4AZ .

Fig 1: Identifying Screws On Trailing Arm

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Mark position of mounting (1) relative to body (2) with a paint mark (3) in order to simplify subsequent toe-in adjustment.

Release screws.

Tightening torque 33 32 2AZ .

Lower workshop jack and pull trailing arm downwards.

Installation note:

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

Fig 2: Locating Trailing Arm Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten nut.

Pull out screw.

Tightening torque 33 32 1AZ .

Remove bearing support towards top.

Installation note:

Replace self-locking nut.

Fig 3: Supporting Trailing Arm From Underneath Using Workshop Jack

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Installation with special tool:

Installation note:

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

Tightening torque 33 32 1AZ .

Fig 4: Securing Special Tool (33 3 280) To Bearing Support With Screw

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Installation without special tool:

Installation note:

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

Tightening torque 33 32 1AZ .

Fig 5: Identifying Tube Flat On Bearing Support

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After installation:

Perform chassis/wheel alignment check. See KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD