Porterfield Brake Pads for 1988 BMW 635CSI Compound:R4-E Fasteners depend on your vehicle's

Fasteners depend on your vehicle's factory attachment method—verify your mounting hardware before installation

Retainers 4770-4 ID Spring Locator Set of 4 - 1

Verify your vehicle is a 2019+ BMW X5 G05 or X6 G06 model

Double-check fitment with your specific model before final installation

Porterfield Brake Pads for 1988 BMW 635CSI Compound:R4-E Fasteners depend on your vehicle'sPorterfield Brake Pads for 1988 BMW 635CSI 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 pad to