LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1731 (Rear Axle - Repair) >> Control Arms And Struts >> 33 32 071 Replacing one upper control arm

33 32 071 Replacing one upper control arm

WARNING: This page is about a different car, the 2010 BMW 535i, 2009 BMW 535i, and 2008 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The control arm to wheel carrier connection has been changed from a conical seat to a ball seat! Spare parts are offered for both variants.
To ensure a correct bolt connection, check before installing the control arm whether the seat for the control arm matches the seat for the wheel carrier.

Variants: 

A Conical seat

B Ball seat

Fig 1: Identifying Control Arm Conical Seat And Ball Seat
G04742548Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: If the control arm is detached from the rear axle carrier, it is necessary after reinstallation to carry out a wheel/chassis alignment check.

Necessary preliminary tasks: 

Shown on vehicle at rear right: 

Unclip line for pulse generator (1) from holder (2).

Only on right side: Unclip line for brake pad wear sensor (3) from holder (2).

Fig 2: Identifying Pulse Generator, Holder And Brake Pad Wear Sensor
G04742549Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nut (1).

Remove control arm at top from wheel carrier.

Installation: 

Keep control arm to wheel carrier connection clean and free from oil and grease.

Replace self-locking nut.

Tightening torque 33 32 8AZ .

Fig 3: Locating Self-Locking Nut
G04742550Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nut (1).

Pull out bolt (2) and remove control arm.

Installation: 

Note insertion direction of screw.

Replace self-locking nut.

Tighten bolt connection in NORMAL POSITION .

Tightening torque 33 32 14AZ .

Fig 4: Removing Control Arm
G04742551Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Unclip holder on control arm.

After installation: