BMW F3x F2x Rear 15 Inch Wheel Brake Conversion Kit
New rear brake conversion kit for your F3x F2x BMW. This will allow you to run 15-inch wheels and tires on the rear of the car, perfect for drag and roll racing purposes. Using lightweight Wilwood Dynapro 4-piston calipers you won't have to sacrifice stopping power.
Even if you aren't looking to run a 15-inch wheel this is still a very good upgrade over the stock 1-piston calipers! Contact us if you want to run a larger rotor on this kit instead of the standard rotor.
What's Included in the Kit:
- 2 Wilwood 4 Piston Calipers (Red, Black, Grey)
- 2 Zimmerman Rotors (Drilled or Plain)
- Rear set of high-performance Wilwood BP-10 Pads (Or source your own)
- All brackets and hardware required for installation
- Stainless Steel upgraded rear brakes lines (Optional)
Weigh Reduction Numbers:
Calipers with pads
Factory Rear Caliper 11.5lbs
Wilwood Rear Calipers Dyna-Pro 4.5lbs
Factory Size Rotor 18.2lbs
Slotted 15” conversion rotor 14lbs
Plain 15” conversion rotor 14.6lbs
Saving 8.4-7.2lbs Rotational Weight
Factory rear brakes – 56LBS
15″ Plain Rotor Wilwood Caliper 38.2lbs Saving 17.5lbs Unsprung Weight
15” Drilled Rotor Wilwood Caliper 37lbs. Saving 19lbs Unsprung Weight
If you are planning on running a 15-inch wheel you must remove the rear brake dust shield and grind the small casting on the rear traction links.