Parts Geek – For Audi A3 Brake Rotor Dynamic Friction 55991XZTW. 2010 Audi A3 GAS. 2015-2020, 2022-2024 Audi A3. 2011-2013 Audi A3 GAS. Notes: GEOSPEC Coated Rotor. Directional or Non-Directional Brake Surface: Non-Directional.