Porterfield Brake Pads for 2011 BMW 550i xDrive Sedan Location:Front Verify the factory bolt sizes

Verify the factory bolt sizes and head styles before ordering fasteners—most installers use stainless steel bolts matched to the existing holes

the PLM H-Series Tri-Y Header is a go-to solution for maximizing performance on H22 and H22A platforms while retaining durability and reliability

Heavy-duty steel alloy construction

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Porterfield Brake Pads for 2011 BMW 550i xDrive Sedan Location:Front Verify the factory bolt sizesPorterfield Brake Pads for 2011 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