These arms fit the 3-Series along with the new Z4, giving you -1.0 degree to +3.0 degree of rear camber change. Great for these popular tuner vehicles, these machined parts are in a stand-out silver anodized finished with SPC "Red" nuts.Rear Adjustment range: Camber -1.00 degree to +3.00 degree Installation time: 1.3 hr/sideRequired: 1 kit per axle