The 2006 BMW Z4 has a 3.0 L base engine size.
The 2010 BMW Z4 has an inline 6 engine.
The 2008 BMW Z4 has an inline 6 engine.
The 2009 BMW Z4 has an inline 6 engine.
The 2012 BMW Z4 has an inline 4 engine.
The 2014 BMW Z4 has an inline 4 engine.
The 2007 BMW Z4 has an inline 6 engine.
The 2003 BMW Z4 has an inline 6 engine.
The 2005 BMW Z4 has an inline 6 engine.
The 2011 BMW Z4 has an inline 6 engine.
The 2013 BMW Z4 has an inline 4 engine.
The 2004 BMW Z4 has an inline 6 engine.