Description
Enhance your BMW F3x or F2x with our new rear brake conversion kit, designed to accommodate 15-inch wheels and tires on the rear, ideal for drag and roll racing. This kit includes lightweight Wilwood Dynapro 4-piston calipers, ensuring you don't compromise on stopping power.
Even if a 15-inch wheel setup isn't your goal, this conversion remains a substantial upgrade from the stock 1-piston calipers. For those seeking a larger rotor, customization options are available upon request.
What's Included in the Kit:
- 2 Wilwood 4-Piston Calipers (Available in Red, Black, Grey)
- 2 Zimmerman Rotors (Choice of Drilled or Plain)
- Rear Set of High-Performance Wilwood BP-10 Pads (Option to source your own)
- All Necessary Brackets and Hardware for Installation
- Optional Stainless Steel Upgraded Rear Brake Lines
Weight Reduction:
-
Calipers with Pads:
- Factory Rear Caliper: 11.5 lbs
- Wilwood Rear Caliper Dynapro: 4.5 lbs
-
Brake Rotors:
- Factory Size Rotor: 18.2 lbs
- Slotted 15” Conversion Rotor: 14 lbs
- Plain 15” Conversion Rotor: 14.6 lbs
Total rotational weight savings range from 7.2 to 8.4 lbs.
Overall Weight Savings:
- Factory Rear Brakes: 56 lbs
- 15” Plain Rotor with Wilwood Caliper: 38.2 lbs (Saving 17.8 lbs Unsprung Weight)
- 15” Drilled Rotor with Wilwood Caliper: 37 lbs (Saving 19 lbs Unsprung Weight)
Note: For 15-inch wheel installation, removing the rear brake dust shield and grinding the small casting on the rear traction links is required.
