Bring smooth, vibration-free braking to the rear axle with the Dynamic Friction brake rotor (P/N 604-31090), a GEOSPEC-coated blank disc brake rotor that drops in on the 2008-2013 BMW 135i and the 2013 BMW 135iS. It is CNC-machined and mill-balanced to run true, so it's a strong direct-fit replacement when your original rear rotors are worn, scored, or warped.
Ready to install with no additional pre-degreasing needed. This is a rear rotor sold individually; for even, balanced braking, replacing both sides as a matched pair is recommended.
Will these 135i rotors fit my car?
This rotor is a direct-fit rear replacement for the 2008-2013 BMW 135i and the 2013 BMW 135iS. Check the Buyer's Guide tab to confirm the fit for your exact vehicle.
Is this a front or rear brake rotor?
It is cataloged as a rear disc brake rotor for the listed BMW applications.
What is the rotor made of?
It is engineered with premium G3000/G11H18 iron castings for strength, stability, and durability.
Is this a blank rotor or slotted/drilled?
It is a blank rotor with a non-directional finish, designed to promote faster break-in and smoother stops.
Do I need to replace both rear rotors at once?
This rotor is sold individually. Replacing both sides together as a matched pair is recommended for even, balanced rear braking.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
