Dynamic Friction 4504-31148 Disc Brake Kit - Front and Rear

Brake Kit for BMW 540i and 840i xDrive

The Dynamic Friction DFC Geospec Rotors with 5000 Advanced Brake Pads kit is a front and rear disc brake service solution for select 2020-2021 BMW applications. Part number 4504-31148 is built for drivers replacing worn rotors and pads on BMW 540i, BMW 540i xDrive, BMW 840i xDrive, and BMW 840i xDrive Gran Coupe models with the original design aluminum hat rotor setup.

Key Features

• Disc brake kit with DFC Geospec rotors and 5000 Advanced Brake Pads
• Front and rear application coverage for listed BMW models
• Designed for vehicles using original design aluminum hat rotors
• Direct fitment for 2020-2021 BMW 540i and 840i xDrive applications
• Part number 4504-31148 for easy catalog matching

Product Details

DFC Geospec Rotors with 5000 Advanced Brake Pads from Dynamic Friction combine replacement rotors and pads in one service kit for the braking system. This kit is listed for 2020-2021 BMW 540i, 2020-2021 BMW 540i xDrive, 2020-2021 BMW 840i xDrive, and 2020-2021 BMW 840i xDrive Gran Coupe, all in front and rear positions. If you are searching for a BMW 540i brake kit or a BMW 840i xDrive disc brake kit, part number 4504-31148 matches the confirmed vehicle coverage shown here.

What This Brake Kit Addresses

• Brake pad wear that can reduce stopping performance
• Rotor scoring, grooves, or uneven braking feel
• Brake pulsation caused by worn rotor surfaces
• Service needs on front and rear brake components at the same time
• Replacement needs for BMW models with original design aluminum hat rotors

Installation Notes

Verify rotor style, axle coverage, and brake package details before ordering. This kit is listed for front and rear service on the specified BMW models, so confirm your vehicle matches the original design aluminum hat rotor configuration. Professional brake service is recommended, and brake system inspection should include calipers, wear sensors, and fluid condition during installation.

Quality Assurance

Dynamic Friction identifies this kit as part of its DFC Geospec Rotors with 5000 Advanced Brake Pads line, a matched rotor-and-pad service package for the listed BMW applications. Part number 4504-31148 is cataloged for confirmed fitment on the vehicles shown above.