Wilwood AERO4 Rear Kit 14.00 Red 2007-2011 BMW E90 Series w/Lines

If you're looking to significantly upgrade the braking performance on your 2007-2013 BMW 328i, this Wilwood AERO4 Rear Big Brake Kit is a solid choice. This kit is designed to complement front big brake upgrades and works with your factory parking brake assembly. It’s built to handle the increased demands of customized vehicles or any 328i that requires more stopping power.

This kit features Wilwood's W4AR calipers, which are known for their high capacity. They are paired with large 14.00-inch diameter rotors that are 1.10 inches thick, providing a substantial surface area for heat dissipation and consistent stopping power. Wilwood has carefully matched these components to work with your OE master cylinder output and ABS system, ensuring proper brake bias and function. The kit also includes stainless steel braided lines for a more direct pedal feel and improved durability over rubber lines.

This Wilwood kit is a comprehensive solution for enhancing your BMW's braking. It includes everything needed to install the rear big brake system, complementing any front brake upgrades you might have. You'll notice improved braking performance, increased durability under heavy use, and a high-tech look that pairs well with larger wheels and suspension modifications.