Adapters for auxiliary brake calipers for the BMW E30 and E36 Compact. Allows the installation of an additional pair of brake calipers on the rear axle discs. Adapters made by CNC technology, which guarantees the stiffness and strength of the steel combined with the low weight of aluminum. Adapters fit BMW E36 discs and calipers. Additional brake calipers for the BMW E30 and E36 Compact. Allow an additional pair of calipers to be mounted on the rear axle discs. Adapters made by CNC technology, which guarantees the stiffness and strength of steel combined with the low weight of aluminum. Adapters fit the discs and calipers of the BMW E36.