What is the benefit of drilled and slotted brake rotors?

Drilled holes help rotors dissipate heat more effectively, which can prevent brake fade during hard use. The slots help to sweep away brake dust and gases, ensuring better contact between the brake pads and the rotor surface for more consistent stopping power.

Does this rotor come with brake pads?

This product is for the brake rotor only. Brake pads are sold separately, and it's recommended to inspect your current pads and consider replacing them when installing new rotors for optimal braking performance.

Is this rotor a direct fit for my BMW?

Yes, this R1 Concepts brake rotor is designed as a direct replacement for the specified rear left rotor on compatible BMW models. It is engineered to install without requiring modifications to your existing brake system.

R1 84-91 BMW 325IS Rear Left Drilled & Slotted Black Brake Rotor

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Specifications

Brand: R1 Concepts
Part #: ECB-31018L
UPC: 194873258009

R1 84-91 BMW 325IS Rear Left Drilled & Slotted Black Brake Rotor

Name: R1 84-91 BMW 325IS Rear Left Drilled & Slotted Black Brake Rotor
Brand: R1 Concepts
Price: 102.48 USD
Availability: InStock

$102.48

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R1 Concepts rear left drilled & slotted brake rotor. Improves braking performance and heat dissipation for a range of BMW models.

Key Features

Fits 1984-1991 BMW 325e, 325es, 325, 325i, 325is, 325iX, 318i, and 318is.
Rear left brake rotor with a drilled and slotted design.
Drilled holes help dissipate heat for improved braking performance.
Slots clear away brake dust and gases for consistent stopping power.
Black finish for a clean, updated appearance.
Designed as a direct replacement for the original equipment 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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Will this fit your vehicle?

Product Details

When you're looking to get the most out of your braking system, especially on a performance-oriented car like a BMW 3 Series, upgrading your rotors is a smart move. This rear left rotor from R1 Concepts features a drilled and slotted design, which helps manage heat and clear away dust and gas that can build up during hard braking. It's built to fit a variety of BMW models from the mid-80s to the early 90s, including the 325i, 325is, and 318i.

The combination of drilled holes and slots on this rotor isn't just for looks. The drilled holes allow heat to escape more efficiently, preventing the rotor from getting too hot and losing stopping power, a common issue during spirited driving or repeated stops. The slots help sweep away brake dust and gases that can form a barrier between your pads and the rotor surface, ensuring a more consistent and reliable grip. This rotor is finished in black, giving your rear end a clean, updated look behind the wheels.

This is a direct replacement for your original rear left rotor, meaning it's designed to fit right onto your existing setup without needing modifications. If you're replacing rotors, it's always a good idea to check the condition of your brake pads and consider replacing them at the same time to get the best performance from your new rotors.