Ball Joint: Installation

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Using a scraper or wire brush, clean rust from ball joint lower mating face of control arm. Clean ball joint bore in control arm.
Screw Ball Joint Guide (31 1 448) onto NEW ball joint as far as it will go. See Fig 1 .
Align match marks and insert ball joint in control arm. Ensure turning lock points toward middle of vehicle. See Fig 2 .
Using Ball Joint Remover/Installer (31 1 441/443/447), install ball joint. See Fig 3 .
To complete installation, reverse removal procedure. Force wheel guide joint upwards using a transmission lifter and base. This simplifies the tightening down of the nut. Replace all lock nuts. Use washer (2) for stabilizer connection on control arm. See Figure .
Tighten fastener and wheel lug bolts to specification. See TORQUE SPECIFICATIONS .

Fig 1: Installing Ball Joint Guide

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Aligning Ball Joint

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 3: Installing Ball Joint

Courtesy of BMW OF NORTH AMERICA, INC.