The Audi A4 typically contains multiple Electronic Control Units (ECUs), with estimates ranging from around 30 to over 70, depending on the model year and the specific features of the vehicle. These ECUs manage various systems, including engine performance, transmission, safety features, infotainment, and climate control. The exact number can vary significantly between different trims and optional features.
The 2003 Audi A4 has 20 valves.
The 2010 Audi A4 has 16 valves.
The 2009 Audi A4 has 16 valves.
The 2011 Audi A4 has 16 valves.
The 2001 Audi A4 has 20 valves.
The 2012 Audi A4 has 16 valves.
The 2002 Audi A4 has 20 valves.
The 2013 Audi A4 has 16 valves.
The 2005 Audi A4 has 20 valves.
The 2014 Audi A4 has 16 valves.
The 2004 Audi A4 has 20 valves.
The 2007 Audi A4 has 16 valves.