This part is listed by BMW as BMW part number 31126768988 (31 12 6 768 988) and is described as the front outer ball joint used on the upper control arm for E9X 325Xi/328Xi/330Xi/335Xi. The upper control arm includes the inner rubber bushing but not this outer ball joint.
This is an OEM ball joint manufactured by Lemforder - the original supplier to BMW for this part, as well as many other suspension components. As the OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
Sold per ball joint. The same ball joint works on either left or right.
BMW Fitments:
3 Series
E90 / E91 / E92 / E93 (06-13) > 325xi
E90 / E91 / E92 / E93 (06-13) > 328xi
E90 / E91 / E92 / E93 (06-13) > 330xi
E90 / E91 / E92 / E93 (06-13) > 335xi N54 (07-10)
E90 / E91 / E92 / E93 (06-13) > 335xi N55 (11-13)