Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW1994318IS (E36) L4-1796CC 1.8L DOHC (M42)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSDESCRIPTION AND OPERATIONTRACTION CONTROL SYSTEMSYSTEMS OPERATIONINPUTSSYSTEM PRESSURE MONITOR
1994 BMW 318is (E36) L4-1796cc 1.8L DOHC (M42)
System Pressure Monitor
1994 BMW 318is (E36) L4-1796cc 1.8L DOHC (M42)SECTION System Pressure Monitor
The operating pressure of the hydraulic unit is also monitored for the correct operation of the recharging function. A third signal is produced by the pressure sensor which signals the control unit if the pressure in the operating circuit drops below 80 bar (±15 bar).
This sensor produces a high/low voltage signal that switches from "high" to "low" when the pressure drops below 80 bar. This signals the control unit that the charge pressure signal/circuit has faulted and the ASC+T system is then switched off.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.