MMR Performance 6-Piston Front Cup Kit 355mm Nickel Plated for BMW F2x F3x M135i M235i M140i M240i
Upgrade your BMW stopping power with the MMR Performance 6-piston front cup kit 355mm. This is the ultimate big brake kit for BMW F2x F3x platform cars, delivering huge, repeatable braking performance for fast road and track day use. The forged monoblock 6-pot calipers paired with 355mm fully floating two-piece discs transform pedal feel, bite and fade resistance on M135i, M235i, M140i and M240i.
This listing is for the 355mm kit with Nickel Plated calipers. Expect sharp response, powerful deceleration and consistent performance lap after lap.
Why choose this MMR big brake kit
- 6-piston forged monoblock calipers made from T-6061 for outstanding strength and rigidity under extreme temperatures.
- 355mm FC-25 carbon steel fully floating two-piece discs for superior heat management and reduced brake fade.
- Directional curved vane design to maximise cooling airflow and thermal stability.
- Proprietary grooved disc face to de-glaze pads and maintain consistent bite on road and track.
- MMR Performance fast-road pad set using the common AP6 pad profile for easy future pad choices.
- Braided stainless steel front brake lines for improved pedal feel and durability.
- Billet steel caliper brackets and all required high-quality fitting hardware included.
Real-world results
We run this setup ourselves and our customers consistently report stronger braking, better modulation, and impressive fade resistance. If you are searching for a BMW M135i big brake kit, M140i 6 pot brake upgrade, M235i front brake kit or M240i performance brakes, this MMR 6-piston Cup Kit 355mm is the proven choice.
What’s in the box
- T-6061 6-piston forged monoblock calipers (Nickel Plated finish for this kit)
- FC-25 carbon steel two-piece fully floating discs 355mm diameter
- MMR Performance fast-road pads (AP6 pad profile)
- Billet steel caliper brackets
- MMR Performance braided front brake lines
- All required fitting hardware
Compatibility and fitment
Designed for the BMW F2x/F3x platform, including:
- BMW M135i F20 F21
- BMW M235i F22 F23
- BMW M140i F20 F21
- BMW M240i F22 F23
Wheel clearance note: requires 5mm+ spacer to fit behind OEM 18 inch wheels.
Finish and size options
This product page is for the 355mm Nickel Plated front cup kit. MMR also offers discs in 380mm, and caliper finishes are available in OEM blue or Graphite grey if preferred. Contact us to discuss alternatives.
Professional installation
For fitting, we recommend Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Search-friendly terms
BMW M135i big brake kit, BMW M140i brake upgrade, BMW M235i 6 piston brakes, BMW M240i front brake kit, F20 F21 F22 F23 brake upgrade, F2x F3x BBK, 6 pot calipers, 355mm floating discs, grooved discs, braided brake lines, fast road track day brakes, MMR Performance Cup Kit 355mm Nickel Plated.