
If you track your M2, M3, M4 there is a high risk that you will break a rear axle hubs which can let the wheel come away from the car, BMW have fixed this issue of the factory GT4 M4 by installing new much stronger hubs and race bearings.
These are genuine BMW parts and can be fitted with no modification to M2, M3, M4 F series cars. Kit comes with two BMW GT4 rear hubs and two BMW GT4 race bearings
Delivery is usually 2 weeks from ordering depending the stock we have at the time, we regularly fit these to customer track cars.
Substantially stronger than the factory stock units.
Kit includes two wheel hubs and two race bearings (less the hub screws and axle nuts as shown in photo as it is a partial kit)