Allows you to run 15" wheel on the back of your E9X, this kit will allow you to run a 15x10 wheel on the back. Note: You will need to run a 10mm spacer as well as install wheel studs based on our experience with wheel specs. *Wheels not included 
Features
High Quality Coated Zimmermann Rotors
TRW Ceramic Brake Pads  
OE Rear Calipers 
New Brake Wear Sensor