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.
1982 BMW 528e Automatic TransFACTORY OEM SERVICE PROCEDURE
Test 13: Air Temperature Sensor
- Check electrical connections on sensor. Use L-Jetronic test 4 to check Air Temperature Sensor values. If values are incorrect, remove connector from sensor and attach ohmmeter. Check resistance between terminals 22 and 6 and compare with table. See Air Temp. Sensor Resistance Specifications .
- If resistance values are correct, trace sensor circuit and repair wiring. If values are incorrect, replace air flow sensor.
AIR TEMP. SENSOR SPECIFICATIONS
| Air Temperature °F (°C) | Ohms |
|---|---|
| 66-70 (19-21) | 2280-2720 |
| 120-124 (49-51) | 760-910 |
Factory Service Tools
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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.
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