Dynamite Friction 4512-31252 Disc Brake Kit - Rear

Rear Brake Kit for BMW 120i, 320i, 228i, 328i, 428i

The Dynamite Friction DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads - Ceramic and Hardware kit is a rear disc brake service kit built for select BMW applications. Part number 4512-31252 combines coated rotors, ceramic brake pads, and matching hardware in one package for a complete rear brake refresh.

Key Features

• Rear disc brake kit for select BMW models
• DFC GEOSPEC coated rotors with silver-gray corrosion-resistant finish
• 5000 Advanced ceramic brake pads with post-cured friction material
• Scorched pads for reduced initial break-in time
• Premium rubber-steel-rubber shims for improved noise, vibration, and harshness control
• Non-directional rotor finish for even pad bed-in and smoother braking
• Hardware kit uses PTFE coating, vulcanized rubber, and stainless steel
• Part number 4512-31252

Product Details

DFC GEOSPEC rotors are machined to tight tolerances from G3000/G11H18 cast iron and shipped dry, so they are ready to install without oil removal or extra prep. The coated surface is designed to resist rust better than conventional paint or zinc finishes, while the non-directional finish supports quieter operation and more even pad contact. The 5000 Advanced pads are formulated for stable friction performance and are assembled with premium shims to help reduce brake noise. This part number 4512-31252 is a direct-fit rear brake solution for BMW drivers looking for OE-style braking components in one kit.

Compatible With BMW rear brake applications including 2012-2013 BMW 328i with M Sports Package, 2013-2017 BMW 320i, 2014-2015 BMW 328i with M Sports Package, 2014-2015 BMW 428i with M Sport Package, 2014-2016 BMW 228i with M Sport Package, and 2016-2018 BMW 120i with standard brakes and vented rear disc setups. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Rear brake noise from worn pads or fatigued hardware
• Rust buildup on exposed rotor surfaces
• Uneven braking feel from worn rotor faces
• Longer pedal response caused by aged friction material
• Caliper movement issues related to corroded brake hardware

Installation Notes

Verify rear axle fitment by year, model, and brake package before ordering. Clean the rotor friction surface only as needed during installation, and follow standard brake bedding procedures after service. Inspect calipers, slides, and mounting points for wear before installing the new pads and hardware.

Quality Assurance

Each rotor is 100% inspected for critical dimensions and balance, and every rotor includes a 12-month warranty against defects in material and workmanship. The brake pads are post-cured and scorched for consistent friction performance, and the hardware kit is built to OE-style form, fit, and function standards.