Discover Audi A4 Turbo Intercooler & Audi A4 Aftermarket Charge Air Coolers. Explore Audi A4 Turbo Air Bar Coolers. Find Audi A4 Intercooler Price. Maintaining your Audi A4's intercooler is crucial for optimal engine performance; regular cleaning to remove debris and checking for leaks can significantly extend its life. If you notice a loss in power or increased engine temperatures, it might be time for a replacement. When selecting a new intercooler, consider the bar-and-plate or tube-and-fin designs, each offering unique cooling efficiencies suited to different driving demands. A quality intercooler made from durable materials like aluminum ensures longevity and seamless integration with your Audi A4. For DIY enthusiasts, installation is straightforward with the right tools and a bit of mechanical know-how, enhancing your vehicle's turbocharged system and ensuring peak performance.