BMW F8X M2/M3/M4 dual mount diff bracket #5100-20MMSS simply remove your factory fan

simply remove your factory fan (4 bolts) and install the new fan

Replacement for OEM part #SU003-00358

As well as replacing

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BMW F8X M2/M3/M4 dual mount diff bracket #5100-20MMSS simply remove your factory fanThe GKTECH dual mount diff brace provides additional support to the diff in your F8X BMW resulting in reduced wheel hop under hard driving conditions. The OEM diff cover uses just a single bush and stud which is prone to premature wear and excessive movement which can cause the rear stud to break off the cover. CNC machined 6061 T6 aluminium and anodized black Optional diff bushes OEM Style or raised version? If your car is lowered, go with the raised