Dynamite Friction 4512-31248 Disc Brake Kit - Rear

Rear Brake Kit for BMW 3 and 4 Series

DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads and hardware deliver a complete rear brake service solution for select BMW applications. This kit combines coated rotors, ceramic pads, and brake hardware designed for OE-style fitment, stable braking performance, and reduced brake noise.

• DFC GEOSPEC coated rear rotors with a silver-gray corrosion-resistant finish
• Dry processed and ready to install without rotor cleaning or prep
• Non-directional rotor finish for more even pad bed-in and smoother stops
• DFC 5000 Advanced ceramic brake pads with post-cured friction material
• Scorched pads to reduce initial break-in time and improve first-stop response
• Premium rubber-steel-rubber shims for improved NVH control
• Hardware kit with PTFE coating, vulcanized rubber, and stainless steel construction
• OE-matched rotor casting and machining tolerances

Product Line Details

The DFC GEOSPEC rotor line is built around coated cast-iron rotors that resist rust better than conventional painted or zinc-coated finishes. The DFC 5000 Advanced pad line is formulated for modern vehicle braking demands, with friction materials developed through OEM-focused research and assembled for consistent pedal feel and quieter operation. The included hardware kit is engineered to restore proper caliper movement and spring tension during brake service.

Fitment

• Fits 2017-2020 BMW 430i, rear
• Fits 2017-2020 BMW 430i Gran Coupe, rear
• Fits 2017-2020 BMW 430i xDrive, rear
• Fits 2017-2020 BMW 430i xDrive Gran Coupe, rear
• Fits 2017-2020 BMW 440i, rear
• Fits 2017-2020 BMW 440i Gran Coupe, rear
• Fits 2017-2020 BMW 440i xDrive, rear
• Fits 2017-2020 BMW 440i xDrive Gran Coupe, rear
• Fits 2017-2019 BMW 340i GT xDrive, rear
• Fits 2017-2018 BMW 330i, rear
• Fits 2017-2018 BMW 330i xDrive, rear
• Fits 2016-2018 BMW 340i, rear
• Fits 2016-2017 BMW 340i xDrive, rear
• Fits 2016 BMW 328i, rear
• Fits 2015-2016 BMW 328i xDrive, rear
• Fits 2014-2016 BMW 335i GT xDrive, rear
• Fits 2015-2016 BMW 428i Gran Coupe, rear
• Fits 2014-2016 BMW 428i xDrive, rear
• Fits 2015-2016 BMW 428i xDrive Gran Coupe, rear
• Fits 2014-2016 BMW 435i, rear
• Fits 2015-2016 BMW 435i Gran Coupe, rear
• Fits 2014-2016 BMW 435i xDrive, rear
• Fits 2015-2016 BMW 435i xDrive Gran Coupe, rear
• Fits 2014-2015 BMW 328i, rear
• Fits 2014-2015 BMW 335i, rear
• Fits 2013-2015 BMW 335i xDrive, rear
• Fits 2013-2015 BMW ActiveHybrid 3, rear
• Fits 2012-2013 BMW 335i, rear

Installation Notes and Tips

Confirm rotor style and brake package details before ordering, especially on BMW models with M Sport Package, optional full cast rotors, or aluminum hat front rotor configurations noted in the fitment data. Clean the hub mounting surface, inspect calipers and guide pins, and follow the vehicle manufacturer’s brake bedding procedure after installation. The dry rotor coating is designed to be swept away by the pads during normal use.

Quality Assurance

DFC machines these rotors to tight tolerances, applies a non-directional finish, and inspects critical dimensions to OE specifications. Vented rotors are balance-checked and corrected when needed. The rotors carry a 12-month warranty against defects in material and workmanship. Part number 4512-31248 is built for rear brake service on select BMW 3 Series and 4 Series applications.