The 2013 BMW Z4 has a 2.0 L base engine size.
The 2013 BMW X6 has a 3.0 L base engine size.
The 2013 BMW X3 has a 2.0 L base engine size.
The 2013 BMW M6 has a 4.4 L base engine size.
The 2013 BMW M3 has a 4.0 L base engine size.
The 2013 BMW M5 has a 4.4 L base engine size.
The 2013 BMW X5 has a 3.0 L base engine size.
The 2013 BMW X1 has a 2.0 L base engine size.
The 2013 BMW 3-Series has a 2.0 L base engine size.
The 2013 BMW 7-Series has a 3.0 L base engine size.
The 2013 BMW X5-M has a 4.4 L base engine size.
The 2013 BMW 1-Series has a 3.0 L base engine size.