Technical data of preheating system and power supply system (BMW 3 Series E36)

Maximum preheating time at temperatures:

• below 60°C: 5 sec
• above 60°C: 0 sec

Preheating cut-off time: 8(*5) sec

Glow plug resistance at 20°C: 0.4 - 0.6 ohms

Idle speed

• with warm engine, oil temperature 60°C: 750±50 rpm*)
• with air conditioning on: 860±50 rpm

Maximum speed: 5300 + 100 rpm

Solenoid valve stop voltage: resistance at 20°C: not less than 10 volts 7.5 + 1 ohm

Spray nozzle opening pressure: 140-160 bar

• adjustment value: 150-158 bar
• working pressure in the fuel line 0.4 bar

*) 318tds: idle speed 820+50 rpm