Dynamite Friction 4502-31230 Disc Brake Kit - Front

BMW Front Brake Kit with Rotors and Pads

The Dynamite Friction DFC GEOSPEC Rotors with 5000 Advanced Brake Pads kit is a front disc brake service kit built for BMW applications that use OE-style rotor configurations. Part number 4502-31230 combines coated rotors and matched pads in one package for a cleaner brake service on select 2012-2020 BMW 3 Series and 4 Series models.

Key Features

• Front disc brake kit with rotors and pads
• DFC GEOSPEC coated rotors with silver-gray corrosion-resistant finish
• Dry-processed rotors arrive ready to install
• Non-directional rotor finish supports even pad bed-in and quieter stops
• 5000 Advanced pads are post-cured and scorched for stable friction performance
• Premium rubber-steel-rubber shims help reduce noise, vibration, and harshness
• OE-spec cast iron formulation and tight machining tolerances
• Part number 4502-31230

Product Line Details

DFC GEOSPEC rotors are coated to resist rust better than conventional paint or zinc finishes and are machined to OE specifications for durability and stability. The 5000 Advanced brake pads are formulated for consistent friction, with post-curing and scorching steps that reduce initial break-in time and support immediate stopping response. Together, they create a matched front brake service solution for BMW drivers who want OE-style fit and predictable pedal feel.

Compatible With

• Fits 2017-2020 BMW 430i, front, M Sport Package or M Sport Brakes configurations with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2020 BMW 430i Gran Coupe, front, M Sport Package configurations with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2020 BMW 430i xDrive, front, M Sport Package or M Sport Brakes configurations with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2020 BMW 430i xDrive Gran Coupe, front, M Sport Package configurations with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2020 BMW 440i, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2020 BMW 440i Gran Coupe, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2020 BMW 440i xDrive, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2020 BMW 440i xDrive Gran Coupe, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2019 BMW 340i GT xDrive, front, optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2017-2018 BMW 330i, front, M Sports Package with optional design full cast front rotors or original design aluminum hat front rotors.
• Fits 2017-2018 BMW 330i xDrive, front, M Sports Package or M Sport Brakes configurations with optional design full cast front rotors or original design aluminum hat front rotors.
• Fits 2016-2018 BMW 340i, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2016-2017 BMW 340i xDrive, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2016 BMW 328i, front, M Sports Package or M Sport Brakes configurations with optional design full cast rotors or original design aluminum hat rotors.
• Fits 2014 BMW 328i, front, M Sport Brakes or M Sport Brake configurations with optional design full cast rotors or original design aluminum hat rotors.
• Fits 2016 BMW 328i, front, M Sports Package with optional design full cast front rotors or original design aluminum hat front rotors.
• Fits 2014-2016 BMW 335i GT xDrive, front, M Sports Package with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2014-2016 BMW 428i, front, M Sport Brakes with optional design full cast rotors or aluminum hat rotors.
• Fits 2015-2016 BMW 428i Gran Coupe, front, M Sport Package or M Sport Brakes configurations with optional design full cast rotors or aluminum hat rotors.
• Fits 2014-2016 BMW 428i xDrive, front, M Sport Package or M Sport Brakes configurations with optional design full cast rotors or aluminum hat rotors.
• Fits 2015-2016 BMW 428i xDrive Gran Coupe, front, M Sport Package with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2014-2016 BMW 435i, front, M Sport Package with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2015-2016 BMW 435i Gran Coupe, front, M Sport Package with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2014-2016 BMW 435i xDrive, front, M Sport Package with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2015-2016 BMW 435i xDrive Gran Coupe, front, M Sport Package with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2014-2015 BMW 335i, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2013-2015 BMW 335i xDrive, front, M Sports Package with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2013-2015 BMW ActiveHybrid 3, front, standard brakes with optional design full cast rotors or original design aluminum hat front rotors.
• Fits 2012-2013 BMW 335i, front, optional design full cast front rotors or original design aluminum hat rotors.

Common Brake Service Issues

• Front brake rotor rust and surface corrosion
• Brake pad noise, vibration, or harshness
• Uneven pad bed-in after rotor replacement
• Reduced stopping consistency from worn pads and rotors
• Brake service delays caused by cleaning oil-coated rotors

Installation Notes

Use this kit for front axle brake service only. Confirm rotor style and brake package details before ordering, especially on BMW 328i, 430i, 435i, and 440i applications with M Sport or standard brake configurations. The rotors are shipped dry and ready to install, and the non-directional finish supports a smoother bed-in process after installation.

Quality Assurance

DFC GEOSPEC rotors are machined to tight tolerances, inspected for critical dimensions, and balanced where required. The rotors carry a 12-month warranty against defects in material and workmanship. Part number 4502-31230 is built as a matched front brake kit for consistent OE-style service on select BMW models.