Lower Control Arm: Removal

Release differential (without detaching axle shafts). See appropriate DIFFERENTIALS & AXLE SHAFTS article in DRIVE AXLES.
Move differential back as far as possible using special tool (33 4 390). See Fig 1 .
Support trailing arm. Unfasten screw on trailing arm. See Fig 2 .
Unscrew bolt on rear axle carrier. See Fig 3 .
To install, reverse removal procedure. Tighten all fasteners to specification. See TORQUE SPECIFICATIONS .
Perform wheel alignment check. See WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES under ADJUSTMENTS.

Fig 1: Using Special Tool (33 4 390)

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Locating Trailing Arm Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 3: Locating Bolt On Rear Axle Carrier

Courtesy of BMW OF NORTH AMERICA, INC.