BMW 3 Series 4 Series 5 Series X3 X4 Multi-platform Control Arm Damping Rubber Sleeves

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BMW 3 Series 4 Series 5 Series X3 X4 Multi-platform Control Arm Damping Rubber Sleeves

OE Numbers: 
31106786959
31106788560
31126787669
31126787670
31126792277
31126852991
31126852992
Vehicle Application: 
Imported BMW 3 Series, 4 Series, 5 Series, X3, X4

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The BMW 3 Series, 4 Series, 5 Series, X3, and X4 Multi-platform Control Arm Damping Rubber Sleeves are a universal specification for imported BMW 3 Series, 4 Series, 5 Series, X3, and X4 models, making them one of the most widely compatible control arm bushings among BMW chassis components. The 3 Series is a classic representative of BMW's sports sedans, the 4 Series is a coupe, the 5 Series represents luxury executive functionality, and the X3 and X4 belong to the compact and crossover SUV segments respectively. These five models span three major product directions: sports, luxury, and SUV, resulting in a large combined market share and consistently high demand for this bushing specification in routine maintenance. This product, with its standard universal specification of 46.4mm outer diameter, 12.2mm inner diameter, and 54mm installation length, precisely fits the control arm articulation points of the aforementioned platforms. The deformation characteristics of the highly elastic rubber body effectively dampen suspension vibrations while maintaining precise tire alignment geometry for each model. It is one of the most frequently used high-turnover spare parts in chassis maintenance scenarios, possessing both high market adaptability and economic benefits.

This product has an outer diameter of 46.4mm, an inner diameter of 12.2mm, and an installation length of 54mm. Its universal design provides extremely high dimensional accuracy, covering the control arm mounting holes of multiple platforms. The interference fit between the 46.4mm outer diameter and the mounting hole is precisely calculated, ensuring no damage to the control arm hole wall during press-in installation and a secure, non-loose fit after assembly. The 12.2mm inner diameter, slightly larger than the nominal 12mm, optimizes the tolerance with bolts, effectively preventing fretting wear between the metal core tube and the bolts. The 54mm installation length accommodates the different axial dimension requirements of both passenger car and SUV platforms, offering strong versatility. The rubber vulcanization process uses compression molding, ensuring dimensional consistency and density uniformity, with minimal batch-to-batch performance fluctuations.

Functionality: The rubber's elastic modulus is comprehensively balanced based on the various suspension tuning parameters of the 3 Series to 5 Series and X3/X4, achieving an optimal compromise between sporty (3 Series/4 Series) and comfortable (5 Series) rides. It avoids compromising handling precision due to excessive softness or compromising ride comfort due to excessive stiffness. For the X3/X4, sufficient radial stiffness ensures the SUV's suspension geometry remains stable on off-road terrain.

Durability: The high-vulcanized fatigue-resistant rubber compound does not experience early cracking or delamination under repeated alternating stress, exhibiting extremely low elasticity degradation after long-term use. The metal core is precision-machined from high-quality steel, offering strong wear resistance and deformation resistance. Even under high preload torque conditions, it does not undergo plastic deformation, ensuring smooth disassembly even after long-term use.

Compatibility: Covers mainstream and classic discontinued models such as BMW 3 Series (F30/G20), 4 Series (F32/G22), 5 Series (F10/G30), X3 (F25/G01), and X4 (F26/G02), with a huge market presence, making it suitable for auto parts wholesalers and repair chain institutions to stock up in large quantities; the universal specification design simplifies warehousing and distribution management and significantly reduces operating costs.

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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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