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Home >> BMW >> 2014 >> 535i GT >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System - Functional Description -- F07 >> Lubrication System - Functional Description >> Oil pressure switch >> Functional description
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Functional description

The oil pressure indicator light lights up if the oil pressure does not exceed a value defined by a spring. This value is approx. 0.2 to 0.5 bar. If the engine is started, the oil pressure opens the earth contact and the oil pressure indicator light goes out. The oil pressure switch is connected to the engine control system across a signal cable. The data interchange is digital.

Fig 1: Oil Pressure Switch
G09872837Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Oil pressure switch
2 1-pin plug connection
3 Oil filter
4 Oil pump
5 Oil sump


The oil pressure indicator light lights up if the oil pressure does not exceed a value defined by a spring. This value is approx. 0.2 to 0.5 bar. If the engine is started, the oil pressure opens the earth contact and the oil pressure indicator light goes out. The oil pressure switch is connected to the engine control system across a signal cable. The data interchange is digital.

Fig 1: Oil Pressure Switch
G09872839Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Oil pressure switch
2 1-pin plug connection