Whiteline Lower Inner Rear Front Control Arm Bushing - E9x, E46, Z4

Product Details

Engineered to eliminate compliance and optimize steering geometry under high-load track conditions, the Whiteline Bushing Kit is a critical upgrade for competition-prepared BMW chassis. Factory rubber lower control arm bushings (commonly known as the FCAB or "lollipop" bushing) are a notorious weak point on the E46 platform, deflecting severely under hard braking and heavy cornering loads. This deflection leads to dynamic toe change, reduced tire contact patch efficiency, and vague steering feedback.

Utilizing Whiteline’s advanced synthetic elastomer formulation, this kit delivers the rigid, zero-deflection characteristics of a solid spherical bearing while maintaining superior material elasticity and memory. Housed in a precision-engineered 66.3mm outer diameter metal shell, this setup locks in static alignment settings, maximizes front-end bite, and provides the laser-accurate steering response required to hit every apex consistently.

Technical & Engineering Specifications:

• Component Material: High-durometer, motorsport-grade synthetic elastomer matrix

• Housing Profile: Heavy-duty, corrosion-plated outer metal shells for a seamless press-fit into OEM or aftermarket brackets

• Friction Management: Formulated with internal grease reservoirs for continuous self-lubrication; supplied with extreme-pressure molybdenum disulphide (LM) grease

• Kit Architecture: Comprehensive axle set (Includes 2 x Shell Bushings, 2 x Inner Elastomer Bushings)

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