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BMW E30 325i M20 2.5L

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BMW E30 325i M20 2.5L Engine Cooling Temperature Sensors

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Radiator Fan Switch

ES#2534474 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - URO - BMW

Measures radiator air temperature enabling the fan to turn off or on affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1987

Brand:
URO - Corporate Logo
ES#:
2534474
Mfg#:
61311378073
In Stock
$26.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - 1/8NPT

ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2873943 - 12621710512 - Coolant Temperature Sensor - Located in the thermostat housing - Febi - BMW

Located in the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1985

Brand:
Febi - Corporate Logo
ES#:
2873943
Mfg#:
12621710512
In Stock at Vendor
$20.99

This product was last offered at the strikethrough price on
06-25-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2561418 - 12621710512 - Coolant Temperature Sensor - Located in the thermostat housing - FAE - BMW

Located in the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1985

Brand:
FAE - Corporate Logo
ES#:
2561418
Mfg#:
12621710512
In Stock
$28.65

This product was last offered at the strikethrough price on
06-19-2026

$15.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2602123 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - Febi - BMW

Measures radiator air temperature enabling the fan to turn off or on affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1987

Brand:
Febi - Corporate Logo
ES#:
2602123
Mfg#:
61311378073
In Stock at Vendor
$60.99

This product was last offered at the strikethrough price on
05-07-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rethreaded Coolant Sensor

ES#4389061 - 001-08-00-00-09 - Rethreaded Coolant Sensor - Rethreaded to Match the M5x/S5x head when doing a engine swap - Race German - BMW

Rethreaded to Match the M5x/S5x head when doing a engine swap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4389061
Mfg#:
001-08-00-00-09
Ships in 1 Business Day
$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2611387 - 12621710511 - Temperature Sensor - Monitors coolant temperature - Genuine BMW - BMW

Monitors coolant temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1985

Brand:
Genuine BMW - Corporate Logo
ES#:
2611387
Mfg#:
12621710511
Ships in 4 Business Days
5% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
07-05-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Plug

ES#4743338 - e30radfansp - Radiator Fan Switch Plug - High-quality replacement for broken plastic fan switch plugs - Race German - BMW

High-quality replacement for broken plastic fan switch plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4743338
Mfg#:
E30RADFANSP
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2602122 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - Facet - BMW

Measures radiator air temperature enabling the fan to turn off or on affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1987

Brand:
Facet - Corporate Logo
ES#:
2602122
Mfg#:
61311378073
In Stock
ON SALE!
$44.99

This product was last offered at the strikethrough price on
06-25-2026

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Temperature Sensor

ES#3038345 - 13621357414 - Engine Temperature Sensor - Coolant temperature sending unit - FAE - BMW

Coolant temperature sending unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
3038345
Mfg#:
13621357414
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - M12x1.5

ES#4493066 - RGCTSAM12 - Race German Coolant Temperature Sender Adapter - M12x1.5 - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493066
Mfg#:
RGCTSAM12
Ships in 2 Business Days
$35.99 USD
Free Shipping
on orders $49 and up

Coolant Temperature Sensor

ES#2728515 - 62111268355 - Coolant Temperature Sensor - Monitors coolant temperature - Genuine BMW - BMW

Monitors coolant temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up top 09/1985

Brand:
Genuine BMW - Corporate Logo
ES#:
2728515
Mfg#:
62111268355
Ships in 6 Business Days
2% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
07-05-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

coolant temperature sensor

ES#2899790 - 62111268355 - coolant temperature sensor - Monitors coolant temperature - Vemo - BMW

Monitors coolant temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up top 09/1985

Brand:
Vemo - Corporate Logo
ES#:
2899790
Mfg#:
62111268355
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2816028 - 61311378073 - Coolant Temperature Sensor - Measures radiator air temperature enabling the fan to turn off or on - Hamburg Tech - BMW

Measures radiator air temperature enabling the fan to turn off or on affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1987

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816028
Mfg#:
61311378073
In Stock at Vendor
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Inline Temperature Sensor Adapter - Manifold

ES#4500514 - tempswitchman - Inline Temperature Sensor Adapter - Manifold - Allows installation of NPT threaded temperature sensor - Zionsville Autosport - BMW

Allows installation of NPT threaded temperature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500514
Mfg#:
TEMPSWITCHMAN
Special Order: No Guaranteed ETA
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3625598 - 62111268355 - Coolant Temperature Sensor - Monitors coolant temperature - FAE - BMW

Monitors coolant temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up top 09/1985

Brand:
FAE - Corporate Logo
ES#:
3625598
Mfg#:
62111268355
Ships in 4 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Temperature Sensors

A faulty temperature sensor can be a source of overheating problems and cooling leaks. Replace your temperature sensor with an OEM temperature sensor or aftermarket temperature sensor from our trusted list of manufacturers to bring your cooling system back up to par.

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