This part is listed by BMW as BMW part number 33307886186 (33 30 7 886 186) and is described as Rear Control Arm that functions as the Lower Wishbone and rear Toe Arm on the G82 M4 CSL. The CSL arm uses a sealed ball joint instead of a rubber bushing on both ends. The ball joint has less deflection and a more precise feel than rubber.
Hardware note: BMW's torque spec for this hardware includes a torque-to-yield step that stretches the original bolt. BMW recommends replacing the hardware any time the original bolt or nut is loosened. See Related Items below.
Sold per arm.
This is a Genuine BMW M4 CSL rear control arm with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
4 Series
G82 / G83 (2021-) > M4 CSL