R56 JCW Rear Brake Conversion for R53 Cooper S
Upgrading your R53 Cooper S with R56 JCW rear brakes
📸 View the installation on Instagram
Required Parts
| Component | Part Number(s) |
|---|---|
| Carrier | BDA949 |
| Handbrake Cables | 34406769954 (Left) 34406769955 (Right) |
| Calipers | 6785612 (Also: 34216785612, 34216776926, 6776926, 34216776927, 6776927) |
| Brake Discs | MINI 15182 (280mm) |
Money-Saving Tip
💡 Budget Option: It’s possible to modify the R53 handbrake cable end to fit, but using the correct R56 cables (34406769954 & 34406769955) is always the recommended approach for proper fitment and reliability.
Installation Gallery



Key Benefits
- Larger 280mm rear discs for improved braking performance
- Direct bolt-on upgrade with correct parts
- Compatible with R53 Cooper S rear hubs
- Maintains factory handbrake functionality