Porterfield Brake Pads for 2017 BMW 550i xDrive Sedan Car Audio Document any damage with photos

Document any damage with photos and contact us — we'll handle the return and replacement

Fluid lines connect the same way the original did

Multiple Sizes - One set handles ducting

RGB color adjustment requires a separate controller if you want to customize beyond white

Contact our sales team with your vehicle details to confirm what connectors and adapters may be needed for your setup

Porterfield Brake Pads for 2017 BMW 550i xDrive Sedan Car Audio Document any damage with photosPorterfield Brake Pads for 2017 BMW 550i xDrive Sedan 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