JCW Big Brake Kit for your 3rd Generation Mini Cooper and Cooper S Clubman! This is the factory JCW Big Brake retrofit kit to upgrade your front and rear brakes for JCW performance on your non-JCW models.
Fits the following models:
2016-2022 F54 MINI Cooper and Cooper S Clubman
Not compatible with JCW models.
The retrofit kit for the sporty 17" JCW brake system is suitable for the F55, F56 and F57. The front axle brake comprises a 4-piston fixed caliper in chili red with John Cooper Works branding and an internally ventilated, 335 x 30 mm slotted and dimpled brake disk. The rear axle brake comprises a single piston floating caliper in chili red with 300 x 20 mm full disk. This kit is suitable for retrofitting to all F54 models with the exception of JCW cars. The slotted and dimpled brake disks for the front axle are exclusively available as special accessories.
Compatible with the following Factory Wheels:
- 17” WKR Bridge Spoke 528
- 17" LMR Radial Spoke 526
- 18” LMR JCW Grip Spoke 520
- Front and Rear Rotors
- Front Calipers with Pads
- Rear Calipers
- Front and Rear Brake Wear Sensors
- Front Dust Shield
- Brake Servo
- Brake Master Cylinder
- Actuator EMF
NOTE: Big Brake Kits require additional clearance under the wheels. Only the factory wheels listed above have been tested by the factory to fit over this Big Brake Kit. If you have wheels other than those listed above, they may require spacers or they may need to be replaced with different wheels that fit.
For High Performance Brake Fluids, see the following:
- Ate Performance Brake Fluid - Very Good
- Motul RACING Brake Fluid - Better
- Castrol React SRF RACING Brake Fluid - Best
- Brembo Performance LCF600 Brake Fluid - Great Value!
MINI factory wheels that fit this brake kit:
JCW Big Brake Kit for your 3rd Generation Mini Cooper and Cooper S Clubman! This is the factory JCW Big Brake retrofit kit to upgrade your front and rear brakes for JCW performance on your non-JCW models.
Fits the following models:
2016-2022 F54 MINI Cooper and Cooper S Clubman
Not compatible with JCW models.
The retrofit kit for the sporty 17" JCW brake system is suitable for the F55, F56 and F57. The front axle brake comprises a 4-piston fixed caliper in chili red with John Cooper Works branding and an internally ventilated, 335 x 30 mm slotted and dimpled brake disk. The rear axle brake comprises a single piston floating caliper in chili red with 300 x 20 mm full disk. This kit is suitable for retrofitting to all F54 models with the exception of JCW cars. The slotted and dimpled brake disks for the front axle are exclusively available as special accessories.
Compatible with the following Factory Wheels:
- 17” WKR Bridge Spoke 528
- 17" LMR Radial Spoke 526
- 18” LMR JCW Grip Spoke 520
- Front and Rear Rotors
- Front Calipers with Pads
- Rear Calipers
- Front and Rear Brake Wear Sensors
- Front Dust Shield
- Brake Servo
- Brake Master Cylinder
- Actuator EMF
NOTE: Big Brake Kits require additional clearance under the wheels. Only the factory wheels listed above have been tested by the factory to fit over this Big Brake Kit. If you have wheels other than those listed above, they may require spacers or they may need to be replaced with different wheels that fit.
For High Performance Brake Fluids, see the following:
- Ate Performance Brake Fluid - Very Good
- Motul RACING Brake Fluid - Better
- Castrol React SRF RACING Brake Fluid - Best
- Brembo Performance LCF600 Brake Fluid - Great Value!
MINI factory wheels that fit this brake kit:
The best we can tell, your wheels will not clear the sport brakes. It is "possible" that you can use spacers to fit these wheels, but we have no way to know if this will work, and what size to use.
Our recommendation is to get one of the wheels listed in the description.

Mini Mania Tech Team
The MINI Cooper Parts and Accessories Experts
Front and Rear Rotors
Front and Rear Calipers with Pads
Front and Rear Brake Wear Sensors
Front Dust Shield
Here is a diagram of the parts.
While the factory JCW front rotors 360 x 30 mm, this kit is 335 x 30 mm and the factory JCW rear rotors are 330 x 20 mm, this kit is 300 x 20 mm.
But, this is the factory 'retrofit' JCW sports brakes for your F54. It also includes an uprated brake servo and some other additional parts.

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