Shop Audi A4 Brake Shoes Price. Locate Audi A4 Brake Calipers & Audi A4 Disc Brake Caliper Replacement Cost. Browse Audi A4 Brake Caliper Replacement. Maintaining your Audi A4's brake calipers is crucial for performance and safety. Regular cleaning and lubrication can prevent corrosion and extend their lifespan, but be vigilant for signs of wear such as unusual noises or a reduction in braking power, which may indicate the need for replacement. When selecting new calipers, options range from fixed to floating types, each with distinct advantages; fixed calipers provide more even pressure and are typically more durable, while floating calipers are more common and cost-effective. Opt for high-quality materials like aluminum or steel for longevity, and consider professional installation to ensure optimal functionality. Keep your Audi A4's stopping power at its peak with the right maintenance and upgrades.