Dynamic Friction Company Disc Brake Rotor 900-31167

Dynamic Friction Company Disc Brake Rotor P/N:900-31167

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$182.99

MPN: 900-31167

UPC: 190920459412

Item Package Quantity: 1

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Dynamic Friction Company Disc Brake Rotor P/N:900-31167

$182.99

Description

Bring smooth, confident stops to the rear axle with the Dynamic Friction brake rotor 900-31167 (also written 90031167), a rear rotor built as a direct-fit replacement for the listed applications: the 2021-2026 BMW ALPINA XB7, 2019-2026 BMW M850I XDRIVE, 2020-2026 BMW M850I XDRIVE GRAN COUPE, 2020-2022 BMW 750LI XDRIVE, 2022-2025 BMW ALPINA B8 GRAN COUPE, 2017-2023 BMW M760I XDRIVE, 2020-2026 BMW X7, and 2019-2022 Rolls-Royce Cullinan. See the Buyer's Guide tab for engine-level details.

Premium alloy castings: engineered with premium G3000/G11H18 high-carbon alloy iron castings for strength, stability, and durability.
Geomet® coated: provides high-performance corrosion protection.
Precision balanced: 100% precision mill-balanced to help deliver smoother stops and reduce vibration.
OE vane configuration: original equipment (OE) vane configuration to support proper heat dissipation.
Fine-turned finish: a 16 RMS fine-turned finish for improved initial rotor and pad break-in.

It's machined to tight tolerances, with disc thickness variation (DTV) held to 0.010 mm maximum and lateral runout to 0.050 mm maximum. Sold individually; for even, balanced braking it's best to replace both rear rotors as a matched pair rather than one side alone.

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

Frequently Asked Questions

What vehicles does the Dynamic Friction brake rotor 900-31167 fit?

It fits several BMW models — including the ALPINA XB7, M850I XDRIVE, M850I XDRIVE GRAN COUPE, X7, 750LI XDRIVE, M760I XDRIVE and ALPINA B8 Gran Coupe — plus the 2019-2022 Rolls-Royce Cullinan. See the Buyer's Guide tab for years.

Is this a front or rear rotor?

This is a rear rotor — it's cataloged for the rear axle on the listed applications.

What is this disc brake rotor made of?

It's cast from premium G3000/G11H18 high-carbon alloy iron for strength and stability, and finished with a Geomet® coating for high-performance corrosion protection.

Do I need to replace both rear rotors?

It's sold individually. For even, balanced braking it's best to replace both rear rotors as a matched pair rather than just one side.

Does this rotor have cooling vanes?

Yes — it uses an original equipment (OE) vane configuration to support proper heat dissipation, and it's 100% precision mill-balanced to help deliver smoother, lower-vibration stops.