BMW Cooling System Parts & Accessories for BMW E36 (1992-1998) M3

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The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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E36 OEM Behr Radiator
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Mahle-Behr - Corporate Logo
T#:341066
Part#: 17111469179
Ships in 1 Business Day
$ 319.54 USD
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$ 319.54 USD
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A common failure item on the 1992-1999 E36 3 series is the radiator. It is such a common failure item we recommend replacing this item preventatively every 80,000 miles. This Radiator is made by Behr, a high quality OE manufacturer. Replaces part numbers 17112241912 and 17111728908 and 17111723784.

Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.

This item fits the following BMWs:
1992-1998  E36 BMW  323is 323ic 325i 325is 325ic 328i 328is 328ic M3
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Febi Thermostat Housing - E34, E36, Z3
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We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:381790
Part#: 11531722531
In Stock at Vendor
$ 53.42 USD
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$ 53.42 USD
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Replacement plastic thermostat housing
Condor Speed Shop SPAL Fan Relay Wiring Harness - E30, E34, E36 ...
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Condor Speed Shop - Corporate Logo
T#:28736800
Part#: CSS-SPAL-RWK
Ships in 4 Business Days
$ 98.99 USD
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Upgrade your E30 or E36 cooling system effortlessly with the Condor fan relay harness designed specifically for SPAL fans. This harness seamlessly integrates with your existing OEM radiator temperature switch (we recommend the 80/88c E36 sensor), making installation a breeze. Here are the key features of this kit:

Seamless integration with OEM radiator temperature switch Compatibility with SPAL fans for efficient cooling Triggering of the relay when the temperature threshold is met Weatherproof fuse holder for added protection High-temperature wire for reliable performance Durable wire sleeving resistant to abrasion, chemicals, and UV rays Two easy-to-install options for connecting to the BMW radiator temperature switch, labeled for simplicity Experience consistent and effective fan operation with the Condor fan relay harness, ensuring optimal cooling performance for your vehicle.

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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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Genuine BMW Coolant Hose - E36 325is 325ic 325i M3
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Genuine BMW - Corporate Logo
T#:367694
Part#: 11531738053
Ships in 1 day
$ 77.99 USD
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$ 77.99 USD
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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

Radiator Pressure Tester Kit
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Schwaben - Corporate Logo
T#:391482
Part#: 014710SCH01A
Ships on Jul 30, 2026
Sale - Save 25% $ 205.99

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

$ 154.49 USD
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Sale - Save 25%
$ 205.99

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

$ 154.49 USD
Free Shipping on orders $49 and up
Are you refreshing your coolant system or having issues with coolant loss? An easy way to test your system for leaks and ensure you're able to maintain pressure without coolant loss is the Schwaben Cooling System Pressure Tester Kit.
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OEM Febi Lower Radiator Hose - E36 6 Cyl, 325/328/323/M3
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Febi - Corporate Logo
T#:4220
Part#: 11531726344
Ships in 5 Business Days
$ 32.99 USD
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This is the coolant hose that connects the lower radiator inlet to the thermostat housing. Any time you are into the cooling system, either for a radiator, water pump, thermostat, etc, you should consider installing fresh new hoses as a preventative measure.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
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Genuine BMW Coolant Hose - E36 325is 325ic 325i M3
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Genuine BMW - Corporate Logo
T#:367693
Part#: 11531730351
In Stock
2% off MSRP $ 45.99

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

$ 44.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 45.99

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

$ 44.99 USD
Free Shipping on orders $49 and up

Genuine BMW Coolant Hose
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Genuine BMW - Corporate Logo
T#:367674
Part#: 11531703844
In Stock
$ 21.99 USD
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Genuine BMW Coolant Hose
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Genuine BMW - Corporate Logo
T#:367831
Part#: 13541703945
In Stock
3% off MSRP $ 34.99

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

$ 33.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 34.99

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

$ 33.99 USD
Free Shipping on orders $49 and up
BMW & MINI Universal Oil Cooler - 10 Row
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Mishimoto - Corporate Logo
T#:29002063
Part#: MMOC10
In Stock
$ 126.99 USD
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BMW & MINI Universal Oil Cooler - 10 Row is a versatile cooling solution designed to enhance the performance and reliability of BMW and MINI vehicles. This high-quality oil cooler provides efficient cooling for the engine oil, ensuring optimal operating temperatures and extending the life of vital engine components.

Crafted with precision engineering and durable materials, the BMW & MINI Universal Oil Cooler - 10 Row is compatible with a wide range of BMW and MINI models, offering versatility and ease of installation. It effectively dissipates heat from the engine oil, reducing the risk of overheating and engine damage.

  • Enhances performance and reliability of BMW and MINI vehicles
  • Efficient cooling for engine oil, ensuring optimal operating temperatures
  • Extends the life of vital engine components
  • Compatible with a wide range of BMW and MINI models
  • Versatile and easy to install
  • Crafted with precision engineering and durable materials

Investing in the BMW & MINI Universal Oil Cooler - 10 Row is a smart choice for BMW and MINI owners looking to improve their vehicle's performance and longevity.

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