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.
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
2008 BMW M5 (E60) V10-5.0L (S85)SECTION Service and Repair
13 62 531 - Replacing coolant temperature sensor (S85)
Warning!
Danger of scalding!
Only perform these tasks on an engine that has cooled down.
Necessary preliminary tasks:
- Read out fault memory of DME control unit; if necessary, work through test schedules
- Switch off ignition
- Remove intake air manifold Service and Repair
- Release cable duct in V-chamber, unlock plug connections and disconnect, slide cable duct to one side
Recycling
Catch and dispose of escaping coolant.
Observe country-specific waste-disposal regulations.
The coolant temperature sensor is located in the V-chamber on the right.
Release temperature sensor (1).
Installation Note:
Tightening torque 13 62 3AZ 13 62 Senders for Control Unit.
If necessary, top up coolant.
Note:
Now clear the fault memory.
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.