Throttle-Valve Icing

The following illustrations show the possible ice formation or water accumulation in the area of the throttle valve (good lighting is required).

Fig 1: Identifying Air Intake Hose And Throttle Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Air intake hose
2	Throttle valve

Fig 2: Removing Air Intake Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Direction of vision towards the intake area (air intake hose removed)

Fig 3: Identifying Ice Formation Of Throttle Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Ice formation (when melted, also water)