This ball joint from Lemförder is a high-quality replacement part for your BMW F10, F11, F12, F13, F06, F07, F01, F02, F03, F04. It can be flange-mounted or bolted-on and is designed for the rear axle on both the left and right sides. The ball joint is made of steel, with a cotter pin hole for added security. It comes with a manufacturer warranty of one year and is easy to replace. The part number is 34599 01 and is superseded by 6 780 438, 33326780438, 6780438, 33 32 6 780 438. It fits various BMW, Alpina, and Rolls-Royce models. This ball joint is a perfect fit for those looking for a high-quality replacement without breaking the bank.