DBA 4000 Series Slotted Front Brake Rotor - 2003-2006 BMW Z4 2.5i

The DBA 4000 Series Slotted Front Brake Rotor provides a replacement braking surface for 2003-2006 BMW Z4 2.5i.

DBA’s 4000 Series uses high-carbon alloyed iron and Thermal Stability Profiling. This combination is intended to support rotor stability through the repeated heating and cooling associated with demanding braking.

The friction surface and pad compound should be selected together. A rotor upgrade should complement the vehicle’s brake configuration and intended duty rather than substitute for appropriate pads, fluid or cooling.

The slots create exit paths for friction dust and gases at the pad contact surface. The T3 pattern uses multiple slot paths across the friction face.

Key Specifications

• Manufacturer part number: DBA4979S
• Position: Front
• Product series: 4000 Series
• Material: High-carbon alloyed iron
• Treatment: Thermal Stability Profiling
• Friction surface: Slotted
• Slot design: T3

Application and Installation Notes

Match the axle, brake package and rotor dimensions to the vehicle. Where a left or right position is specified, order the correct side.

Confirm the quantity required before ordering. Follow the applicable installation and bedding instructions.

Vehicle Fitment

Review the supplied applications below together with the brake-package requirements and part number.