Porterfield Brake Pads for 2016 BMW 428i iCoupe (M Sports Pkg/Single Piston Fr Cal) Spring Perches Does this handle work with

Does this handle work with my factory smart key system

KOYO pillow ball bearing mounts (when applicable)

High and low beam bulbs are not included - Please use D1S HID bulbs for installation

Do I need to add refrigerant after installation

Porterfield Brake Pads for 2016 BMW 428i iCoupe (M Sports Pkg/Single Piston Fr Cal) Spring Perches Does this handle work withPorterfield Brake Pads for 2016 BMW 428i iCoupe (M Sports Pkg Single Piston Fr Cal) 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