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Brakes› Brake Systems And Components
DBA
DBA 08-13 BMW M3 E90/E92/E93 Rear 4000 Series Plain Rotor
SKU: D001 DBA42281
Moderate — 2–4 hours
Overview
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Part #: DBA42281
Cast from XG-150 high carbon alloyed iron and undergoing Thermal Stability Profiling. DBA's metallurgy is able to handle the increased stress and heat generated under intense braking application time and time again. Featuring DBA;s patented Kangaroo Paw ventilation that implements a series of 144 diamond and teardrop patterned pillars. DBA achieves up to a 30% increase in surface are and 20% improvement in cooling efficiency compared to traditional straight vane design.
4000 SERIES HD variant features a smooth OE style rotor finish, popular for drivers looking for the benefits of a 4000 Series rotor but requiring an OE style look, such as controlled race divisions.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | DBA |
| Part Number | D001 DBA42281 |
Videos
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Braking In Motorsport: Rotor Selection For Track Days | Disc Brakes Australia
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DBA v OEM braking test featuring Bathurst champion David Reynolds
Teaser: David Reynolds DBA vs OEM Brake Test Comparison
HOW TO: DBA 4000 Series Rotor and STILLEN Brake Pad Install
Mustang DBA T2 Street Series Slotted Rotors Review
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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