Whiteline Lower Inner Rear Front Control Arm Bushings - E46, Z4

Product Details

Engineered to optimize front-end geometry and maximize mechanical grip on the Mini R50/R56 platform, the Whiteline Front Lower Control Arm Bushing Kit is a critical upgrade for competitive track and stage applications. In the factory configuration, high-compliance rubber rearward bushings deflect heavily under high cornering and braking loads, leading to dynamic alignment changes, vague steering response, and unstable braking tracking.

This kit utilizes Whiteline's advanced synthetic elastomer formulation to deliver a high-durometer, low-deflection solution without the binding or maintenance liabilities of raw spherical bearings. By locking down the inner rearward pivot point of the front lower control arm, this assembly maintains absolute dynamic steering precision, enhances turn-in bite, and stabilizes the vehicle's track alignment under extreme deceleration.

Engineering & Technical Specifications:

• ​Suspension Node: Front Axle, Lower Control Arm (Inner Rearward Location)

• Material Matrix: Advanced Synthetic Elastomer with superior memory retention, ozone resistance, and outright load-bearing durability

• Lubrication Engineering: Designed with an internal bore knurling pattern and grease retention lips to continuously manage friction via the supplied extreme-pressure molybdenum disulphide (LM) grease

• Structural Integration: Features specially bonded outer steel shells for direct, press-fit retention within the factory chassis carriers

• Corrosion Resistance: All exposed metallic components feature a heavy-duty protective plating to withstand severe trackside conditions and debris impact

• Kit Inclusions: 2 Outboard Shell Bushings, 2 Elastomer Inserts, and Spec-LM High-Pressure Lubricant

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