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Home >> BMW >> 2012 >> 535xi GT >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Engine Performance - Functional Description -- F07 >> Engine Performance - Functional Description >> Fuel Low-Pressure Sensor >> Characteristic curve and setpoint values
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Characteristic curve and setpoint values

The fuel pressure information is sent to the engine control across a signal line. The fuel pressure signal for evaluation fluctuates depending on the pressure. The measuring range of approx. 0.5 - 4.5 volts corresponds to a fuel pressure of 0.1 MPa (1 bar) to 1.1 MPa (11 bar).

Fig 1: Fuel Pressure Characteristic Curve
G09872465Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 Voltage
2 Fuel pressure characteristic curve
3 Temperature

Please note the following setpoint values for the fuel low-pressure sensor:

Size Value
Fuel low-pressure sensor voltage range 0.5 to 4.5 volts
Fuel pressure measuring range 1 to 11 bar
Maximum output current 8 mA
Temperature range -40 °C to 140 °C
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