Hawk ER-1 Race Rear Brake Pads - 2011 BMW 125i - HB621D.638 Ultra Series BMF Premium 6061 1-piece aluminum

Premium 6061 1-piece aluminum

100% brazed aluminum core for maximum reliability

Vehicles equipped with an automatic transmission will require modification to fit the installation of a Mishimoto Universal Transmission Cooler Kit

power steering

Twin Individual HNR/HANS Shoulder Belts

Hawk ER-1 Race Rear Brake Pads - 2011 BMW 125i - HB621D.638 Ultra Series BMF Premium 6061 1-piece aluminumER 1 has been developed by Hawk Performance for the endurance racing market with a simple goal; offer a higher coefficient of friction than competing endurance pads while maintaining matched or improved lifespan. Years of testing across Americas most prestigious races has resulted in a well rounded compound that offers ideal modulation and pedal communication, with ground breaking friction stability across a thermal range as high as 1,600F. This