The Power Stop Evolution drilled and slotted rotor pair for 2014–2018 BMW i3 is a bolt‑on upgrade offering improved cooling and friction contact under demanding conditions. Precision cross‑drilled holes and rounded slots sweep away gasses, dust and moisture while chamfered drills reduce stress cracking. Zinc dichromate plating provides corrosion resistance; rotors are manufactured to strict tolerances, dynamically balanced and sold as a pair.
Power Stop 14-18 BMW i3 Rear Evolution Drilled & Slotted Rotors - Pair