Rear Control Arm Bushing (Ball Joint) for BMW

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This rear control arm bushing (featuring an integrated ball joint) has been specifically developed for BMW vehicle models, serving as a critical connecting component within the suspension system. The product ingeniously combines the vibration-damping properties of a bushing with the multi-directional flexibility of a ball joint, designed to precisely transmit steering forces while effectively absorbing road shocks. Through an optimized structural design, this component effectively maintains wheel alignment parameters, enhancing vehicle stability during high-speed driving and cornering—making it an ideal choice for both chassis maintenance and performance upgrades.

This product strictly adheres to Original Equipment (OE) standards; its core physical parameters have been precisely measured to ensure perfect installation fitment and operational reliability. The following are the product's key physical characteristics:
Precision Dimensions: The product strictly conforms to the dimensional standard of 58mm * 52mm * 16mm * 67mm. These data points correspond to the bushing's outer diameter, body length, inner mounting diameter, and overall span (depending on the specific installation position), ensuring a seamless, tight fit within the complex spatial constraints of BMW chassis systems.
Vehicle Compatibility: Deeply compatible with relevant BMW model series, offering perfect alignment with the control arm mounting points within their rear suspension systems.
Structural Design: Features a composite structure combining metal components with high-performance elastomers; the internal ball joint allows for flexible rotation while possessing exceptional tensile strength.

Enhanced Handling Precision:
Through a high-rigidity internal ball joint design, the product significantly minimizes unwanted deformation within the suspension system under extreme driving conditions. This results in clearer road feedback—a signature characteristic of BMW vehicles—and delivers more responsive, precise steering control.
Superior Vibration Damping:
A specially formulated rubber compound layer effectively isolates high-frequency vibrations originating from the road surface. This significantly reduces chassis noise and anomalies (optimizing NVH performance), thereby vastly improving cabin ride comfort while simultaneously preserving the vehicle's inherent sporty dynamics.
Exceptional Durability and Longevity:
Designed to withstand the harsh operating environment of a vehicle chassis, the product features a corrosion-resistant surface treatment and a tightly sealed internal structure. This effectively prevents intrusion by mud, water, and dust, ensuring that the component maintains stable mechanical performance even under extreme temperature conditions, thereby extending maintenance intervals. 
Non-Destructive, Direct-Fit Installation:
Developed in strict accordance with original manufacturer geometric specifications, this solution enables rapid replacement without requiring any modifications to the vehicle's chassis—thereby significantly reducing installation time and simplifying the installation process.

Business For 17 Years
ABOUT LIANJUN
Anhui Lianjun Rubber Technology Co., LTD., formerly Wenzhou Lianjun Vehicle Parts Co., LTD., was founded in 2009, referred to as "Lianjun Rubber". Lianjun Rubber is located in Ningguo city, Anhui province—automobile NVH rubber damper production base, the factory covers an area of 13,000 square meters, close to Hangzhou city (less than 100km).Lianjun Rubber focusing on NVH rubber damper elements of R&D, manufacturing and sales for Mercedes-Benz and BMW chassis systems. Its main products are Engine mounts, Drive shaft support bearing, Transmission mounts, Support drive shaft, Sturt mounts, Bushing and other series of auto rubber material products, nearly 1000 specifications. Lianjun Rubber is committed...
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