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  • 3/8" and 1/2" Socket Wrenches
  • 3/8" and 1/2" Socket extensions
  • 1/2" to 3/8" Socket adapter
  • 7mm Allen socket
  • 13mm socket
  • torque wrench
  • T50 Torx
  • special tool: Rear Disc Brake Pad spreader
  • Flat head screwdriver
  • Rubber mallet
  • Breaker bar
  • Pliers
  • optional: rechargeable angle driver, rechargeable impact driver
  • wheel chocks


  • disposable gloves
  • anti-seize grease
  • anti-squeal brake compound
  • OE-spec brakes pads
  • OE-spec rotors, 2

WARNING: Safety first. Before starting, activate your parking brake and install wheel chocks. This will prevent the car from rolling.

Jack the Mini up and take out the rear wheel.

Loosen and take out the torx set screw that holds the rotor to the wheel hub.

Use a T50 Torx bit.

Using a flat-head screwdriver, pry out the locking caliper clips.

The caliper housing is held by 2 allen bolts inside these 2 rubber housings. Using a flat head screwdriver, pry out the plastic caps of the caliper housing bolts to gain access to the allen bolts.

Using a 7mm Allen bit, loosen the 2 bolts that hold the brake caliper assembly to the frame.

Pry and slide out the brake caliper assembly out of the rotor. Make sure the parking brakes are not engaged. The parking/emergency brakes of a Mini Cooper S are integrated with the rear brakes. Unfortunately with this combination, the pistons cannot be compressed the conventional way. It can only be compressed by rotating the piston while it is being compressed. So with that said, we cannot wedge a screwdriver in between the brake pads and the rotor to loosen it up.

Once the brake caliper assembly is out of the rotor, set it aside on a piece of block or hang it with cord out of the way.

The caliper bracket is bolted by 2 bolts. It can not be seen from the side. To clearly see where they are, you will need to see it from behind the wheel hub.

Using a 13mm socket with an extension, locate the 2 bolts that hold the caliper bracket to the frame.

Slide out the caliper bracket and set aside.

We will need to compress back the piston to make room for the new and thicker brake pads. Note of the piston shown here with the 4 holes. With another special tool, we will rotate it while the piston is also being compressed.

This tool was purchased from for $60.

Install the new brake pads and the new rotor. Steps will now be the reverse of the previous steps mentioned here.

You're done!

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