USR1361 EBC USR Rear Brake Discs BMW 325. EBC USR Rear Brake Discs. EBC Part Code: USR1361. BMW 325 2.5 Sport (E91) (3 Series). Quantity Supplied: 2 Discs. Fits Models with: ATE Calipers. Height (Laid Flat): 67mm. This listing is for a rear axle set of EBC 336mm USR Rear Brake Discs to fit models fitted with ATE brake calipers. IMPORTANT The item specifics above must exactly match the discs currently fitted to your vehicle. Matching Brake Pad Codes. EBC offer the following matching brake pads to compliment these brake discs.. EBC USR Grooved Brake Discs feature a unique wide high-volume slotted grooved design. These specially machined grooves allow brake dust, debris, gasses and carbon deposits to be spun-off from the braking disc surface which improves braking efficiency. These unique grooves also help to increase brake pad friction which in turn reduces stopping distances quite significantly. EBC USR Grooved Discs are manufactured and machined using a high-quality alloy, designed to run up to 900 degrees centigrade (glowing red hot). EBC USR discs are designed for fast road, light race, rally and track day use. Combine these EBC USR Slotted discs with EBC GreenStuff, RedStuff (Ceramic) or YellowStuff pads to increase braking efficiency and reduce stopping distances even more! We sell over 250,000 performance car parts online! Sadly, it is impossible for us to stock all of these parts all of the time and ultimately this would only lead to increased prices. Sometimes a part may have to be manufactured or even imported from another country for you. Where we are informed of a delay we will do our best to keep you updated. We cannot guarantee product availability. Please do not schedule any work on your vehicle until you have received and fully inspected your parts.