Dynamic Friction 631-31015R Disc Brake Rotor - Rear Right

Rear Right Drilled and Slotted Rotor

The Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-31015R, is a rear right disc brake rotor built for BMW applications that call for a 5-lug, 120 mm bolt circle fitment. Its slotted X drilled surface, zinc silver hat finish, and rust resistant coating support consistent braking performance and corrosion protection in everyday driving.

Key Features

• Part number 631-31015R for rear right brake rotor replacement
• Slotted X drilled surface type for directional brake surface performance
• Rust resistant coating helps protect the rotor from corrosion
• Zinc silver hat finish for a clean, finished appearance
• Solid rotor design with 284 mm outside diameter
• 5-bolt pattern with 120 mm bolt circle diameter
• Fits BMW rear right applications listed below

Product Details

This DFC Brake Rotor - Drilled and Slotted - Silver is engineered as a solid disc brake rotor with an 8.4 mm discard thickness and 10 mm nominal thickness. The rotor measures 284 mm in outside diameter, 61.1 mm in overall height, and 75 mm at the center hole diameter. The directional braking surface and slotted X drilled pattern are specified for the rear right position, making this rotor a direct-match option for select BMW 528e, 533i, 524td, 535i, 535is, 635CSi, M5, and M6 models. If you are searching for a BMW rear right drilled and slotted brake rotor, part number 631-31015R is the catalog reference to use.

Vehicle Fitment

• Fits 1985-1989 BMW 635CSi, rear right.
• Fits 1982-1988 BMW 528e, rear right.
• Fits 1985-1988 BMW 535i, rear right.
• Fits 1988 BMW 535is, rear right.
• Fits 1988 BMW M5, rear right.
• Fits 1987-1988 BMW M6, rear right.
• Fits 1985-1986 BMW 524td, rear right.
• Fits 1983-1984 BMW 533i, rear right.

Common Replacement Uses

• Rear brake rotor replacement for worn or scored BMW rotor surfaces
• Correction for brake pulsation caused by rotor wear or uneven contact
• Replacement for corrosion-damaged rear right brake rotors
• Service part for BMW rear brake maintenance on 5-lug, 120 mm bolt circle vehicles
• Upgrade path for drivers seeking a drilled and slotted rear rotor design

Installation Notes

Confirm rear right position, bolt pattern, center hole diameter, and rotor dimensions before installation. Because this rotor uses a directional brake surface, install it in the correct orientation for the vehicle side. Inspect pads, caliper condition, and hub mounting surfaces during brake service to help ensure even contact and proper rotor seating.

Quality Assurance

Dynamic Friction DFC brake rotors are cataloged with application-specific dimensions and finish details to support accurate replacement selection. Part number 631-31015R is listed for the BMW rear right applications shown above. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.