Why do brake rotors have slots?

The slots machined into the rotor surface help to sweep away brake dust and gases that can build up during heavy braking. This can lead to more consistent stopping power and help prevent brake fade.

Should I replace both rear rotors at the same time?

Yes, it's always recommended to replace brake rotors in pairs (left and right side) on the same axle. This ensures that braking force is applied evenly to both wheels, maintaining proper vehicle control.

What is the black finish on this rotor?

The black finish on this rotor is primarily for aesthetic purposes, giving your wheels a cleaner look. It does not affect the braking performance of the rotor itself.

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Trusted Since 1957

Est. 1957

Specifications

Brand: R1 Concepts
Part #: 613-31066L

R1 04-10 BMW 525i Rear Left Slotted Black Brake Rotor

Name: R1 04-10 BMW 525i Rear Left Slotted Black Brake Rotor
Brand: R1 Concepts
SKU: r1-concepts-r1-04-10-bmw-525i-rear-left-slotted-black-brake-rotor-t14-944880
Price: 110.89 USD
Availability: BackOrder

$110.89

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

R1 Concepts slotted rear left brake rotor for 04-10 BMW 525i.

Key Features

Fits 2004-2010 BMW 525i rear left.
Slotted design helps clear dust and gas for improved braking consistency.
Black finish for a clean appearance.
Direct replacement for the original brake rotor.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

When you're tackling a brake job on your 2004-2010 BMW 525i, especially the rear left side, choosing the right rotor makes a difference. This slotted rotor from R1 Concepts is designed to replace your stock unit, helping to keep your braking system performing reliably.

The slots machined into the braking surface of this rotor serve a practical purpose. They help to sweep away dust and gas that can build up between the pad and rotor during hard braking. This action helps maintain a more consistent grip and can reduce the chances of brake fade, especially when you're putting your car through its paces. The black finish is primarily for looks, giving your wheels a cleaner appearance.

This rotor is a direct replacement for the original part, meaning it should fit right onto your existing hub assembly without modification. Remember to always replace brake rotors in pairs (left and right) to ensure even braking performance.