Features： 1、Update lower control arms ball joints, put your vehicle's suspension system in the best possible shape. 2、The rubber bushings, which isolate unwanted vibration during braking, age much like the rear shock mounts. They start to develop small tears and cracks, then progress to completely broken out of their mounting. The normal symptom is vibration in the steering wheel under light breaking. 3、Original standard, completely adapted, direct replacement for the old or broken one. 4、Simple installation, no need complicated tools, convenient for using. 5、Replacing OE numbers for reference: 31121094234, 31121094233. Specification： Condition: 100% Brand New Item Type: Lower Control Arms w/ Ball Joints Material: Aluminum Alloy Color: As picture shown Fitting Position: Rear Fitting Position: Left or Right Fitting Position: Lower Fitting Position: Front Axle Steering Arm Type: Control Arm 11OE: Replaces Dealer Part Number: 31 12 1 094 234, 31121094234 12OE: Replaces Dealer Part Number: 31 12 1 094 233, 31121094233 Fitment: 2001-03 Fit for 525i Front Passenger Side Lower Rearward Control Arm with Ball Joint 1997-00 Fit for 528i Front Passenger Side Lower Rearward Control Arm with Ball Joint 2001-03 Fit for 530i Front Passenger Side Lower Rearward Control Arm with Ball Joint Package List： 1 x Pair of Lower Control Arms w/ Ball Joints