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 MANUALSBMW2004760LI (E66) V12-6.0L (N73)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIRREPLACING COOLANT TEMPERATURE SENSOR
2004 BMW 760Li (E66) V12-6.0L (N73)
Replacing Coolant Temperature Sensor
2004 BMW 760Li (E66) V12-6.0L (N73)SECTION Replacing Coolant Temperature Sensor
13 62 531 - Replacing engine coolant temperature sensor (N73)
Necessary preliminary tasks:
- Read out fault memory of DME control unit.
- Switch off ignition.
- Remove design cover.
Warning!
Danger of scalding!
Only perform these tasks on an engine that has cooled down.
Recycling
Catch and dispose of escaping coolant.
Observe country-specific waste-disposal regulations.
Disconnect plug (1) from temperature sensor.
Release temperature sensor (2).
Tightening torque: 13 62 2AZ 13 62 Senders for Control Unit.
Assemble engine.
Check function of DME.
Check cooling system for leaks.
If necessary, top up coolant, BMW Service Operating Fluids MG17.
RENDER: 1.0x
NO RELATED
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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.