Porterfield Brake Pads for 2012 BMW Z4 28i Performance Mufflers Does this bolt to the

Does this bolt to the factory mid-pipe

Complete assembly - Includes all internal mechanisms and glass

Aircraft-grade billet aluminium construction permanently replaces the cracked

The four lock nuts come with a key that allows you to remove and install them

The electrical harness plugs into the stock location — no rewiring or adapter harnesses needed

Porterfield Brake Pads for 2012 BMW Z4 28i Performance Mufflers Does this bolt to thePorterfield Brake Pads for 2012 BMW Z4 28i 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