Chassis Exclusions : Avoid use on X5 E70 models before 2007 or X6 F16 models after 2014—these use different valve solenoid designs. Engine-Specific Fit : Does NOT fit all X5/X6 trims—e.g., excludes rare X5 hybrid variants outside 2010–2011 or X6 models with non-listed engines (confirm your engine size via VIN or owner’s manual).