Porterfield Brake Pads for 2017 BMW X4 - Exc M40i Compound:R4-S Built to match original specifications

Built to match original specifications for seamless fit and thermal performance

The RS7-K uses multiple intake and extraction channels designed to keep the crown and face area cool under sustained load

Powered heated LED towing mirror assembly (left and right)

Mustang GT carrier bearings

Porterfield Brake Pads for 2017 BMW X4 - Exc M40i Compound:R4-S Built to match original specificationsPorterfield Brake Pads for 2017 BMW X4 Exc M40i Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also allows the brake