The Brembo TY3 Sport slotted disc rotor for 2011 BMW 1 Series fits the rear at 345x24. Carrying the TY3 Sport name and a slotted profile, it conforms to the rear rotor diameter and thickness specified for that model year. Supplied as a replacement rotor, it maintains the correct disc dimensions and slotted braking surface for the vehicle’s rear brakes.
Brembo 2011 BMW 1 Series Rear TY3 Sport Disc Rotor - 345X24