Swap out a worn front right lower arm with this Dorman control arm, part number 520-740, which arrives with its ball joint already installed and pre-greased. It is a direct replacement for the original equipment on many BMW models, among them the 1996-2002 BMW Z3, 1992-1999 BMW 318i and 1992-1999 BMW 318is, for all engines on those applications. See the Buyer's Guide tab for the full list.
This Dorman suspension control arm and ball joint assembly connects the chassis to the wheel knuckle. It locates the wheel while the suspension travels and steers.
- Trustworthy replacement: directly replaces the original arm on the listed applications, and mounting hardware is included.
- Ball joint installed: the pre-greased ball joint has a threaded stud with a 14 mm thread diameter. A grease fitting and bushings are not included.
- Quality engineering: underwent industry-leading testing intended to deliver a smooth, stable ride.
- Durably designed: additional coatings help resist rust and corrosion.
Specifications: iron control arm, casting/forged type, black, non-adjustable. Maximum width is 288.5 mm, maximum length is 237 mm and the mounting hole diameter is 12.3 mm. Standard replacement grade. Country of origin: China.
Signs the original arm may need replacing include clunking over bumps, loose or wandering steering, uneven tire wear or ball joint play. Other suspension parts can cause similar symptoms, so diagnose the cause first. This Dorman lower control arm is sold individually for the front right lower position, and replacing both sides together is recommended.
