Hot film mass air flow sensor position - GF07.07-P-4118-01G

Engine 111 

Engine 111 without supercharger 

Between air cleaner and intake manifold (in air intake passage)

Fig 1: Locating Hot Film Mass Air Flow Sensor - Engine 111 Without Supercharger

Engine 111.944/975 with supercharger 

Between charge air cooler and intake manifold (in intake/charge line)

Fig 2: Locating Hot Film Mass Air Flow Sensor - Engine 111.944/975 With Supercharger