The PowerStop Evolution drilled and slotted rear rotor pair for 1991 BMW 318i delivers a direct-fit braking upgrade with precision cross-drilled cooling and rounded slots that sweep away gasses, dust and water. Zinc dichromate plating helps resist rust while the rotors are manufactured to tight tolerances for minimized DTV and runout, and are dynamically balanced for smooth, quiet operation.
Power Stop 1991 BMW 318i Rear Evolution Drilled & Slotted Rotors - Pair