The 2006 BMW M5 has double overhead cam (DOHC).
The 2006 BMW X5 has double overhead cam (DOHC).
The 2006 BMW X3 has double overhead cam (DOHC).
The 2006 BMW M6 has double overhead cam (DOHC).
The 2006 BMW M3 has double overhead cam (DOHC).
The 2006 BMW Z4 has double overhead cam (DOHC).
The 2006 BMW 3-Series has double overhead cam (DOHC).
The 2006 BMW 6-Series has double overhead cam (DOHC).
The 2006 BMW 5-Series has double overhead cam (DOHC).
The 2004 BMW X3 has double overhead cam (DOHC).
The 2004 BMW Z4 has double overhead cam (DOHC).
The 2007 BMW X5 has double overhead cam (DOHC).