Dynamite Friction 4504-31139 Disc Brake Kit - Front and Rear

Brake Kit for BMW 540i and 540i xDrive

The Dynamite Friction DFC Geospec Rotors with 5000 Advanced Brake Pads disc brake kit is built for 2021 BMW 540i and 540i xDrive applications. This front and rear brake service kit combines matched rotors and pads in one package for a complete brake refresh.

• Disc brake kit with DFC Geospec rotors and 5000 Advanced Brake Pads
• Fits 2021 BMW 540i, front and rear, original design aluminum hat rotors
• Fits 2021 BMW 540i xDrive, front and rear, optional design full cast rotors
• Part number 4504-31139 for application-specific lookup
• Built for direct brake service on compatible BMW 540i platforms

DFC Geospec Rotor and Pad Line

The DFC Geospec rotor and 5000 Advanced Brake Pad combination is a service-focused brake solution from Dynamite Friction. It is intended to replace worn braking components with a matched rotor-and-pad setup for the listed BMW 540i and 540i xDrive configurations.

Fitment Details

• Fits 2021 BMW 540i, front and rear, original design aluminum hat rotors
• Fits 2021 BMW 540i xDrive, front and rear, optional design full cast rotors

Common Issues This Kit Can Address

• Brake pulsation from worn or uneven rotors
• Squealing or noisy braking from aged pads
• Reduced stopping performance due to brake wear
• Visible rotor scoring or pad material buildup
• Need for a complete front and rear brake service

Installation Notes and Tips

Verify rotor design before ordering: the 2021 BMW 540i uses original design aluminum hat rotors, while the 2021 BMW 540i xDrive uses optional design full cast rotors. Confirm axle position and brake configuration against the vehicle before installation. Part number 4504-31139 should be matched to the exact application listed above.

Quality Assurance

Use this kit only on the confirmed 2021 BMW 540i and 540i xDrive front and rear applications shown in the fitment data. Cross-reference part number 4504-31139 during catalog lookup to confirm the correct brake service kit for your vehicle.