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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 575 (Functional Descriptions - F25 - Cooling System, Engine Performance) >> Engine Performance - Functional Description >> Air supply (Ver.1) >> System overview

System overview

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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