The 2012 BMW X6-M has double overhead cam (DOHC).
The 2013 BMW X6 has double overhead cam (DOHC).
The 2011 BMW X6 has double overhead cam (DOHC).
The 2010 BMW X6 has double overhead cam (DOHC).
The 2009 BMW X6 has double overhead cam (DOHC).
The 2008 BMW X6 has double overhead cam (DOHC).
The 2014 BMW X6 has double overhead cam (DOHC).
The 2010 BMW X6-M has double overhead cam (DOHC).
The 2013 BMW X6-M has double overhead cam (DOHC).
The 2014 BMW X6-M has double overhead cam (DOHC).
The 2011 BMW X6-M has double overhead cam (DOHC).
The 2012 BMW X6 has 24 valves.