Coolant Temperature Sensors for BMW 7 Series E23 (1978-1987)

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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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Febi Auxiliary Fan Switch - 82�C - E12, E21, E23, E24, E28, E3, ...
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Febi - Corporate Logo
T#:10520
Part#: 61311364272
In Stock
$ 20.99 USD
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CHASSIS ELECTRICAL TEMPERATURE SWITCH 61311364272
OEM Bosch Coolant Temperature Sensor - E36 318i 325i M3 1992-1995, E3...
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Bosch - Corporate Logo
T#:7259
Part#: 13621709967
In Stock
$ 24.23 USD
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$ 24.23 USD
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To make sure your temperature readings are as accurate as possible, replace your temperature sensor with a high quality OEM Bosch temperature sensor.

OEM replacement for BMW part # 13621709967, 13621709966, and 13621284397. Bosch coolant temperature sensor mounted in the cylinder head on models with the M42, M50 and S50 engines.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!


This item fits the following BMWs:
1988-1991 E30 BMW 318i 318is 318ic M3
1992-1995 E36 BMW 318i 318is 318ti 318ic 325i 325is 325ic M3
3/1987-1988 E28 BMW 528e
1985-1988 E28 BMW535i 535is M5
1989-1995 E34 BMW 525i 535i M5
1985-1989 E24 BMW 635csi M6
1984-1987 E23 BMW 735i
1988-1992 E32 BMW 735i 735il

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Race German Coolant Temperature Sender Adapter - M12x1.5
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Race German - Corporate Logo
T#:6827887
Part#: RGCTSAM12
In Stock
$ 35.99 USD
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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for M12x1.5 sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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Race German Coolant Temperature Sender Adapter - 1/8NPT
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Race German - Corporate Logo
T#:6827888
Part#: RGCTSA1/8NPT
Ships in 3 Business Days
$ 35.99 USD
Free Shipping on orders $49 and up
Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for 1/8NPT sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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Genuine BMW Coolant Temperature Sensor
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Genuine BMW - Corporate Logo
T#:376804
Part#: 13621709967
Ships in 3 Business Days
7% off MSRP $ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 76.99 USD
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7% off MSRP
$ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 76.99 USD
Free Shipping
Genuine BMW Auxiliary Fan Switch – 91°C
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Genuine BMW - Corporate Logo
T#:368494
Part#: 61311364272
Ships in 4 Business Days
4% off MSRP $ 75.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 72.99 USD
Free Shipping
4% off MSRP
$ 75.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 72.99 USD
Free Shipping

Engine Coolant Temperature Sensor (Blue or White Plug) - E30 E28 E24 ...
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FAE - Corporate Logo
T#:7255
Part#: 13621357414
In Stock
$ 20.99 USD
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This is a Bosch coolant temperature sensor (#0280130026) for the fuel injection system. It has a white tip and is rated at 20 degree Celsius & 2500 Ohm.

This item fits the following BMWs:
1984-1985 E30 BMW 318i
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1976-1981 E12 BMW 528i 530i
1982-3/1987 E28 BMW 528e 533i
1980-1984 E24 BMW 633csi
1980-1984 E23 BMW 733i
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FAE Auxiliary Fan Switch 91C - E12, E21, E23, E24, E28, E3, E30, E9 ...
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FAE - Corporate Logo
T#:369371
Part#: 61311364272
Ships in 4 Business Days
$ 26.37 USD
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Does not include o-ring

FAE Coolant Temperature Sensor - E23, E24, E28
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FAE - Corporate Logo
T#:1195824
Part#: 62161360870
Ships on Jun 29, 2026
$ 23.93 USD
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Relays engine coolant temperature information to the ECU.

Radiator Fan Switch Plug - E30, E34, E36, E23, E32
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Race German - Corporate Logo
T#:23947130
Part#: E30RADFANSP
In Stock
$ 17.99 USD
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Thanks to its brittle plastic construction, this radiator fan switch plug is a common failure point. Race German offers this high-quality replacement to remedy this issue and get your car back to perfect operation.
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URO Coolant Level Sensor - BMW E24 E30
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URO - Corporate Logo
T#:37757292
Part#: 61311361248
Ships in 2 Business Days
$ 12.99 USD
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URO Coolant Level Sensor - BMW E24 E30

URO Coolant Level Sensor - BMW E24 E30 is the perfect solution for restoring accurate coolant level monitoring in your BMW. If you are experiencing a false "low coolant" warning or if your vehicle fails to notify you of dangerously low coolant levels, this high-quality replacement sensor will fix those issues. Designed as a direct-fit OE replacement, this sensor installs easily into your coolant reservoir tank with a simple plug-and-play wiring connection. Made from durable polymer and corrosion-resistant metal materials, this sensor is built to withstand the intense heat of your vehicle’s cooling system. Alloy conductors help minimize electrical resistance for accurate operation and long-lasting reliability.

  • Resolves false "low coolant" indicator light warnings
  • Prevents failure to alert the driver of dangerously low coolant levels
  • Direct-fit OE replacement design for easy installation into the coolant reservoir tank
  • Simple plug-and-play wiring connection for quick installation
  • Manufactured from high-quality polymer and corrosion-resistant metal materials to endure high cooling system temperatures
  • Alloy conductors reduce electrical resistance for precise operation
  • Designed and tested for long-lasting reliability
  • 24 Month Unlimited Mileage Warranty for peace of mind
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