Porterfield Brake Pads for 2012 BMW 535i Sedan 330mm OD Rear Rotor Turbochargers Are these waterproof and sealed

Are these waterproof and sealed against moisture

This reinforcement bar is engineered for the stock rear bumper assembly

reducing turbulence and maintaining flow efficiency

The textured black finish is designed to blend with modern bumpers as-is

and more reliable

Porterfield Brake Pads for 2012 BMW 535i Sedan 330mm OD Rear Rotor Turbochargers Are these waterproof and sealedPorterfield Brake Pads for 2012 BMW 535i Sedan 330mm OD Rear Rotor 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