Coolant Temperature Sensors for BMW E36 (1992-1998) M3

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Coolant temperature sensors are vital to your cooling system. If you're running a stock cooling system, a non-functional coolant temperature sensor can prevent your fan from flipping on or give you an inaccurate temp reading, preventing you from knowing when your vehicle is running hot. This can be a huge issue in particular if you're tracking your vehicle. Replace yours today!
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Facet Radiator Fan Switch - E36 1996-1999, Z3 1997-2002
Facet Radiator Fan Switch - E36 1996-1999, Z3 1997-2002
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Facet - Corporate Logo
T#:641875
Part#: 61318363677
In Stock at Vendor
$ 39.38

This product was last offered at the strikethrough price on
05-11-2026

$ 39.28 USD
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$ 39.28 USD
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This is the E36, Z3 engine radiator double temperature fan switch, 91/99 degree Celsius. This switch is designed to activate the auxiliary fan at the specified temperatures. A faulty switch can lead to the auxiliary fan not activating, causing overheating. This item fits the following BMWs: 1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3 5/1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
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Facet Radiator Fan Switch - E24, E28, E30, E31, E32, E34, E36, Z3
Facet Radiator Fan Switch - E24, E28, E30, E31, E32, E34, E36, Z3 ...
For vehicles with production date up to 09/1995
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Facet - Corporate Logo
T#:375144
Part#: 61311378073
In Stock
$ 44.99 USD
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$ 44.99 USD
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Measures radiator air temperature enabling the fan to turn off or on
Coolant Temperature Sender
Coolant Temperature Sender
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Facet - Corporate Logo
T#:586992
Part#: 12621747281
Ships in 1 Business Day
$ 23.99

This product was last offered at the strikethrough price on
05-03-2026

$ 21.99 USD
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$ 21.99 USD
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Coolant Temperature Sensor
Coolant Temperature Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Meyle - Corporate Logo
T#:594615
Part#: 13621703993
Special Order: No Guaranteed ETA
$ 18.99 USD
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$ 18.99 USD
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This is the coolant temperature sensor used in many BMW models from the mid-1990s to the mid-2000s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer.

This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement.

This coolant temp sensor fits the following BMWs:
1996-1999 E36 BMW 323is 323ic 328i 328is 328ic M3, located in cylinder head
1999-2003 E39 BMW 540i, located on side of water pump
1999-2001 E38 BMW 740i 740il, located on side of water pump
1995-1996 E38 BMW 750il, located on side of water pump
1990-1999 E31 BMW 850i 850ci, located on side of water pump
2000-2006 E53 BMW X5 3.0i, located in cylinder head
2000-2006 E53 BMW X5 4.4i/4.6is/4.8is, located on side of water pump
1997-2002 Z3 BMW Z3 2.5i Z3 3.0i, located in cylinder head
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