Front Brake Kit for BMW X3 and X4

The Dynamite Friction DFC GEOSPEC Rotors with 5000 Advanced Brake Pads kit is a front disc brake service kit for select BMW applications. It combines coated rotors and advanced friction pads in one package for a direct brake service on the front axle.

Fits 2018-2021 BMW X3, front. Fits 2019-2021 BMW X4, front. Part number 4502-31286 is built for standard brake setups with either original design aluminum hat rotors or optional design full cast rotors, depending on the vehicle configuration listed below.

Key Features

• Complete 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
• G3000/G11H18 cast iron rotor specification for OE-style durability and stability
• Non-directional rotor finish for more even pad bed-in and quieter operation
• 5000 Advanced Brake Pads are post-cured and scorched for stable friction and reduced break-in time
• Premium rubber-steel-rubber shims help reduce noise, vibration, and harshness

Detailed Description

DFC GEOSPEC Rotors with 5000 Advanced Brake Pads, part number 4502-31286, is a front brake kit engineered for BMW X3 and BMW X4 models listed in the fitment data. The coated rotors are processed dry and shipped dry, which eliminates the need to clean off oil before installation. The rotor coating is designed to resist rust better than conventional paint or zinc finishes, while the machined surface and non-directional finish support smoother pad contact during bed-in.

The 5000 Advanced Brake Pads are formulated for consistent friction performance, then post-cured and scorched to reduce initial break-in requirements. DFC also uses premium rubber-steel-rubber shims to improve NVH characteristics. This makes the kit a practical choice for front brake service on 2018-2021 BMW X3 and 2019-2021 BMW X4 vehicles with the listed brake configurations.

What This Brake Kit Helps Address

• Front brake wear on BMW X3 and BMW X4 models
• Rotor surface rust and corrosion buildup
• Brake noise, vibration, and harshness concerns
• Uneven pad bed-in after rotor replacement
• Reduced stopping performance from worn pads and rotors

Installation Notes and Tips

Use this kit on the front axle only. Confirm whether the vehicle has standard brakes with original design aluminum hat rotors or optional design full cast rotors before ordering. The rotors are ready to install out of the box, and the non-directional finish is intended to support a smoother bed-in process after installation. Part number 4502-31286 is listed for the exact BMW X3 and BMW X4 applications shown in the fitment table.

Quality Assurance

DFC rotors are machined to tight tolerances, inspected for critical dimensions, and checked for balance on vented designs. Each rotor is covered by a 12-month warranty against defects in material and workmanship. The brake pads are produced with post-curing and scorching steps to help maintain stable friction performance.