What is the benefit of the T3 slotting pattern?

The T3 slotting pattern is bi-directional and helps to keep the rotor surface clean by removing brake dust and gases. This ensures a consistent contact patch between the rotor and your brake pads, leading to more reliable stopping power.

Do these rotors come with everything needed for installation?

These are direct replacement brake rotors and are sold as a pair for the front axle. Installation typically requires standard brake service tools, and it is recommended to replace brake pads at the same time. Refer to the manufacturer's installation instructions for specific details.

DBA T3 T-Slot BMW M3 Sedan & Convertible Front Slotted 4000 Series Rotor

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Specifications

Brand: DBA
Part #: DBA42280S
UPC: 9316391423443

DBA T3 T-Slot BMW M3 Sedan & Convertible Front Slotted 4000 Series Rotor

Name: DBA T3 T-Slot BMW M3 Sedan & Convertible Front Slotted 4000 Series Rotor
Brand: DBA
Price: 300.63 USD
Availability: InStock

$300.63

On Backorder

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

Fits 2008-2012 BMW M3. This DBA T3 T-Slot 4000 Series front brake rotor offers improved cooling and consistent braking.

Key Features

Fits 2008-2012 BMW M3 Sedan and Convertible, and 2011 BMW 1 Series M.
Includes two (2) DBA 4000 Series T3 slotted front brake rotors.
Constructed from XG-150 high-carbon alloyed iron for increased stress and heat handling.
Features DBA's patented Kangaroo Paw ventilation for up to 30% increased surface area and 20% improved cooling.
T3 bi-directional slot design helps clear dust and gas for consistent braking performance.
Undergoes Thermal Stability Profiling to enhance thermal capacity.

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Fits these vehicles

BMW 1 Series M 2011
BMW M3 2008-2012

Product Details

When you're replacing the front brake rotors on your 2008-2012 BMW M3, you're getting a pair of DBA 4000 Series T3 slotted rotors. These aren't just standard replacements; they're built with a high-carbon alloyed iron, specifically XG-150, which is designed to handle the extra stress and heat that comes with harder braking.

What really sets these rotors apart is DBA's Kangaroo Paw ventilation system. It uses a pattern of diamond and teardrop pillars inside the rotor, which increases the surface area by up to 30% and improves cooling efficiency by 20% over typical straight vane designs. This means better heat dissipation, which helps prevent brake fade during spirited driving or repeated stops. The T3 slotting pattern is also bi-directional, helping to keep the rotor surface clean and providing a consistent bite for your brake pads.

These rotors are a direct replacement, meaning they are made to fit your M3 without any modifications. They are a solid option if you're looking for improved braking performance and durability over stock components.