Power Stop Evolution drilled-and-slotted rotor pair for the 1991 BMW 318i front brakes. Precision cross-drilled holes and rounded slots enhance cooling and evacuate gases, dust and moisture to preserve a clean pad contact patch. Zinc dichromate plating helps resist corrosion, and tight machining tolerances control DTV and runout. These rotors are dynamically balanced and install as a direct OE-fit bolt-on replacement sold as a pair.
Power Stop 1991 BMW 318i Front Evolution Drilled & Slotted Rotors - Pair