Delphi TC958 Suspension Control Arm and Ball Joint Assembly - Rear Right Upper

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC958 suspension control arm and ball joint assembly is designed for rear right upper positioning on select BMW models. Engineered with durable materials and pre-greased components, this assembly ensures reliable suspension performance and smooth handling for your BMW 5 Series, 6 Series, and 7 Series vehicles.

• Pre-greased for immediate installation and reduced maintenance
• Includes grease fitting and neoprene rubber bushings
• Press-in ball joint mounting type for secure fitment
• Constructed from casting/forged 6082 aluminum alloy for strength and durability
• Standard replacement grade, white control arm finish
• Compatible with multiple BMW models including 525i, 530i, 535i, 645Ci, 750Li, M5, and M6

Durable Construction and Design Features

The Delphi TC958 control arm assembly features a robust casting and forging process using 6082 aluminum alloy, providing a balance of lightweight strength and corrosion resistance. The included neoprene rubber bushings help absorb vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted and pre-greased, with a grease fitting included to facilitate ongoing maintenance and extend component life. Finished in white, this control arm is designed as a standard replacement part to restore factory suspension geometry and performance.

Compatible BMW Models and Applications

This suspension control arm and ball joint assembly is compatible with a range of BMW vehicles, specifically for the rear right upper position. Compatible models include the BMW 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i, 535i xDrive, 535xi, 540i, 545i, 550i, 645Ci, 650i, 745i, 745Li, 750i, 750Li, 760i, 760Li, M5, and M6. The part number TC958 ensures precise fitment and reliable performance for these models.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling or noise
• Loose or failing ball joints leading to steering instability
• Corroded or weakened control arm structure affecting suspension alignment
• Excessive vibration or uneven tire wear due to suspension component wear
• Difficulty maintaining proper rear suspension geometry

Installation Notes and Tips

Installation of the Delphi TC958 control arm assembly requires standard suspension tools and mechanical knowledge. The pre-greased ball joint and included grease fitting simplify lubrication during installation and future maintenance. Ensure the vehicle is securely lifted and supported before removing the old control arm. Verify torque specifications for all fasteners according to BMW service guidelines. Alignment check and adjustment after installation is recommended to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The TC958 control arm assembly is a standard replacement grade part backed by Delphi's quality control processes. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to ensure customer confidence in their suspension parts.