Whiteline Rear Control Arm Upper Outer Bushing – 1992-2005 BMW 3 Series Models

Whiteline Rear Control Arm Upper Outer Bushing – 1992-2005 BMW 3 Series Models

Restore Rear Geometry Precision on Your E36 or E46 BMW
The rear upper control arm outer bushing on the 1992-2005 BMW 3 Series (E36 and E46) is the outer mount of the upper rear control arm — a position that affects rear camber and toe geometry under load. When this bushing wears, the control arm can shift at its outer pivot, allowing geometry variation that degrades rear axle precision. Whiteline’s polyurethane replacement restores consistent geometry.

DETAILS

• Polyurethane compound for rear upper control arm outer position
• Fits 1992-2005 BMW 3 Series (E36 and E46 platforms)
• Reduces rear geometry variation under cornering loads
• Direct press-fit replacement
• Limited Lifetime Warranty

E36 and E46 Coverage
Both the E36 (1992-1999) and E46 (2000-2005) share compatible rear upper control arm geometry at this position, making a single Whiteline bushing specification correct for both generations. This is a practical solution for BMW enthusiasts who may own or work on both platforms.

Upper Arm Outer Bushing and Rear Geometry
The rear upper control arm’s outer bushing is a pivot point for the arm’s lateral and longitudinal movement. When it wears and develops angular play, the arm can shift outboard or fore-aft under load, changing rear camber and toe dynamically. The result is rear axle behavior that doesn’t match the static alignment reading — the geometry changes under cornering load.

Complete the Rear Bushing Package
Whiteline covers all rear arm positions on both E36 and E46. The upper outer bushing is most effective when installed alongside the upper inner, lower inner, and lower outer positions. A complete rear refresh on either platform produces a significant and consistent improvement in rear suspension precision.

Why Choose Whiteline

Whiteline has been engineering suspension components from their facility in Australia since 1979. Every product in their catalog is developed with a clear goal: measurable improvement in handling, stability, and tyre contact. Whiteline’s polyurethane bushings, sway bars, control arms, and alignment correction kits are engineered using finite element analysis and validated on track before they reach the market. Their components are direct-fit, bolt-on solutions designed for enthusiasts who want real performance gains without fabrication or custom work.

The RallySport Take

An important bushing for E36 and E46 owners who want to restore or improve rear axle precision. One of the most wear-sensitive rear positions on these platforms. Budget an afternoon for the job — bushing replacement is not complicated but does require the correct press tools and clean installation technique. Apply grease to all polyurethane-to-metal interfaces and assemble at ride height for correct bushing set. The improvement in chassis feel is immediate and the polyurethane will outlast whatever rubber is in there now.

What’s in the Box

• Polyurethane compound for rear upper control arm outer position
• Reduces rear geometry variation under cornering loads
• Direct press-fit replacement

Fitment