The Wilwood Narrow Superlite 4R rear brake kit pairs forged four‑piston calipers with BP‑10 compound pads and 12.88" drilled/slotted rotors in a black finish to upgrade rear braking on custom street and show builds, improving stopping consistency while adding a purposeful look. Kits retain the OE parking brake, master cylinder output, and ABS, and are available in finishes to match larger front brake upgrades. Fits 2000–2006 BMW M3 (E46) applications.
Wilwood Narrow Superlite 4R Rear Kit 12.88in Drilled/Slotted Black 00-06 BMW M3 E46