BMW 3 Series, X3, and Z4 Rear Axle Support Bracket Bushing

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BMW 3 Series, X3, and Z4 Rear Axle Support Bracket Bushing

OE Numbers:
33311092517
33316770781

Compatible Models:
BMW (Import) 3 Series, X3, Z4

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This product is a high-performance rear axle support bracket bushing developed specifically for the BMW model series; it serves as a critical component within the vehicle's chassis suspension system. Installed at the junction where the rear axle support bracket connects to the vehicle body, its primary function is to bear the load of the axle housing while dampening high-frequency vibrations and impacts transmitted from the road surface. Designed to meet BMW models' rigorous demands for handling precision, this bushing is constructed from a composite of high-strength alloy and premium elastomer materials, effectively suppressing chassis noises and ensuring the geometric stability of the rear axle positioning. Whether for daily commuting or high-speed driving, this component significantly enhances the chassis's sense of solidity and tightness, restoring the signature driving feel synonymous with the BMW brand.

This product is manufactured in strict adherence to Original Equipment (OE) standards, ensuring precise fitment and zero deviation at the installation points. Its key technical specifications are as follows:
Precision Length: The bushing features an overall length of 63 mm, ensuring a tight, interference fit within the bracket housing to prevent axial movement or shifting.
Optimized Inner Diameter: The central bore has an inner diameter of 20.5 mm, ensuring a perfect, secure fit with the mounting bolt to eliminate any vibration caused by excessive clearance.
Robust Outer Diameter: The outer housing features a diameter of 72 mm, designed for balanced press-fit tension to prevent loosening or detachment over the course of long-term use.

Exceptional Vibration Isolation: Through an optimized elastomer formulation, this bushing absorbs the vast majority of subtle vibrations caused by road irregularities, preventing their transmission into the cabin and significantly enhancing interior quietness and ride comfort.
Enhanced Handling Feedback: The robust support structure effectively limits excessive rear axle movement during cornering or rapid acceleration. By precisely maintaining suspension geometry parameters, the vehicle exhibits sharper directional response and significantly improved stability at high speeds.
Tailored Compatibility: Custom-engineered specifically for imported BMW models, this bushing strikes an optimal balance between material hardness and resilience, perfectly matching the load-bearing characteristics of both Rear-Wheel Drive (RWD) and All-Wheel Drive (AWD) systems.
Long-Term Durability: Constructed from high-performance materials resistant to aging and oil contamination, the bushing maintains stable physical properties even under extreme temperature fluctuations and harsh operating conditions, thereby effectively extending the chassis maintenance cycle.

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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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