Modified E46 rear subframe that fits both Bulldog and Winters QC differentials. It comes with the highest grade powder coat. We have these in stock ready to ship. Fits both coupe and sedan chassis. All our subframes are built by Kazakov Racing under our supervision guaranteeing you get one of the best products available! - option for POM (polyacetal) bushings. This material is as durable as the aluminium bushings most companies use but has much better shock proof sustainability allowing it to absorb deformation with high hysteresis characteristics along with it being lighter! - option for Skid Plate (differential undercover protection)