Dynamic Friction Company Disc Brake Rotor P/N:900-31131D

Bring smooth, confident stopping back to your BMW with the DYNAMIC FRICTION brake rotor 900-31131D (also written 90031131D), a front right disc brake rotor built from high-carbon alloy with premium iron castings. It installs as a direct-fit replacement for the front right position on a wide range of BMW models, including the 2017-2026 540I xDrive, 2017-2023 540I, 2016-2020 and 2023-2026 740I, 2016-2022 750I xDrive, 2020-2026 840I, 2019-2026 X5, 2021-2026 X6, and 2019-2026 X7 — see the Buyer's Guide tab for the complete list of applications.

• Premium iron castings: Engineered with G3000/G11H18 iron castings for strength, stability, and durability.
• Geomet® corrosion protection: Geomet® coated to provide high-performance corrosion protection.
• Precision mill-balanced: 100% precision mill-balanced for smoother stopping with reduced vibration.
• OE vane configuration: Original Equipment (OE) vane configuration to support proper heat dissipation.

A fine-turned finish (16 RMS) helps improve initial rotor and pad break-in, while tight tolerances hold disc thickness variation to a 0.010 mm maximum and lateral runout to a 0.050 mm maximum. This listing is for one front right rotor, sold individually; for even, balanced braking it's best to replace both front rotors as a matched pair.