Polishing pad for polishing machine. Hard, finely pored pad for abrasive polishing of scratched and weathered vehicle paintwork. Velcro fastening enables rapid pad change.

Audi A4 (B5) Sedan, Avant Quattro

APR is pleased to present the ultimate ECU Upgrade for the 2.7T engine. After months of long nights and many hours of testing, development and more testing, we are pleased to offer you an ECU recalibration that is second to none. APR's extensive...

Cooling Problems? If you're having cooling issues, check to make sure your fans are operating correctly. Broken blades, or bad bearings, or a bad control module can quickly cause your Audi to heat up faster than it should. Replace your fan...

8-pad Girling Calipers

EURO Ultra-Premium brake pads provide exactly the ideal vehicle control and response performance intended by the manufacturers of European makes. European car owners across North America now have a brake pad solution that will keep their wheels...

Outside Temperature Gone Haywire? This quick replacement sensor measures outside ambient temperature and can cause havoc with the HVAC system when it's going bad. Replaces in minutes on most cars, without even needing to take the bumper off.

Highlights of the APR R1 Diverter Valve Include: Diaphragm-Based Valve High-Temperature, Nomex-Reinforced Material for Extreme Durability Zero-Friction No Sticky O-Rings to Maintain and Grease No Pistons to get Stuck Consistent Performance Year...

APR's Snub Mount Upgrade replaces the front engine mount on the car. This mount enhances up shifting and down shifting, reduces drive line shock, and helps power transfer by taking up excess drive train slack.