With an internal vane structure identical to stock rotors, the one-piece StopTech SportStop Cross Drilled Rotor for the E90/E92 335i is a direct replacement rotor that fits Original Equipment calipers. Its drilled design helps remove unwanted debris between the pad and disc resulting in increased bite and improved stopping power. This same drilled look for rear brakes can help match the aesthetics of a front big brake kit, too.
Premium black E-coating finish to combat corrosion on the rotor hat and between the cooling vanes
Castings have important O.E. details including extractor and set screw holes
Superior cooling fin designs
Double disc ground finish
100% fully machined finish including rotor hats
100% inspected and mill-balanced
Lateral runout held to 0.002” or less
Meet or exceed rigid quality specifications, including cooling vane designs
StopTech SportStop Drilled Rotors finish helps prevent glazing of the pads to improve dry/wet braking performance for your E90/E92 335i. All rotors are finished with a durable black coating on the non-swept areas to prevent unsightly corrosion, as well.
Uniform coating thickness over all areas including sharp corners, recesses and areas that would be hard to reach with spray painting
Paint material is water-based and nontoxic
Approximately 95% utilization of paint with no overspray, drip or drain losses
Complete paint coverage – no touchup ever required
StopTech rotors are sold individually, a left and right rotor are required for a complete axle set.