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Home >> BMW >> 2012 >> X3 35i >> Repair and Diagnosis >> General Information >> OEM General Information >> Functional Descriptions - F25 - Cooling System, Engine Performance >> Engine Performance - Functional Description >> Air supply (Ver.1) >> System overview

System overview

Fig 1: Hot Film Air Mass Meter System - Circuit Diagram
G09908576Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Intake-manifold pressure sensor downstream of throttle valve
2 Intake air temperature pressure sensor
3 Digital engine electronics
4 Hot-film air mass meter
5 Electromotive throttle actuator
6 Blow-off valve
7 Pressure converter
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