Heater Core Temperature Sensor / Switch

1994 BMW 318is (E36) L4-1796cc 1.8L DOHC (M42)SECTION Heater Core Temperature Sensor / Switch
Resistance depending on temerature
84.39 - 109.61 at -20
48.58 - 62.09 at -10
28.89 - 36.40 at 0
11.13 - 13.83 at 20
9.00 - 11.00 at 25
2.19 - 2.78 at 60
0.58 - 0.77 at 100
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.