IRP Differential aluminium dual mount bracket BMW F87 M2, F80 M3, F82/F83 M4 A direct replacement of stock differential single mount bracket for enhanced performance and reduced unnecessary movement. This bracket with two mounting points increases twisting resistance improving the throttle response and grip while reducing unwanted drivetrain movement and tension to bushings To install this bracket you will need: The second OE bushing: 33177852495 (not included) Features: *CNC machined lightweight high quality anodized aluminium *Replaces OE: 33172284775 Includes: 1 pc. aluminium dual mounting bracket ** Suitable for all original BMW F80 M3, F82/F83 M4, F87 M2 models ** Please use thread lock glue on bolts when assembling