Angry Ass | 300X20 Single Piston Rear Brake Calipers | E34 540i/M5

The choice rear axle upgrade for any E34 525/530/535i, the OEM 300X20 40mm single piston sliding caliper brake system from the E34 540i and pre-1995 E34 M5 pairs perfectly with our 340X30 4 Piston Front Brake System | Road. These calipers have also been sought after for the rear axle for many a (late) E24, E28, and E32, all of which can accept these parts directly.

Calipers are disassembled, cleaned and inspected for any damage before being blasted and powder coated in satin black. After powder coating calipers are rebuilt with new ATE components. For a complete package don’t forget to add in a set of front and rear Spiegler brake lines, and AP Racing fluid of your choice.

NOTE: Price includes a $150 core charge that will be refunded once we receive and inspect your cores. Cores must be functional and pass our inspection before you will be issued a refund.