2006 BMW 550i Engine: 4.8L V8; Located in Lower Radiator Hose;. 2007 BMW 550i Engine: 4.8L V8; Located in Lower Radiator Hose;. 2008 BMW 550i Engine: 4.8L V8; Located in Lower Radiator Hose;. 2009 BMW 550i Engine: 4.8L V8; Located in Lower Radiator Hose;.
