BMW Cooling System Parts & Accessories for BMW 7 Series E23 (1978-1987)

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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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Genuine BMW Auxiliary Fan Switch – 91°C
Genuine BMW Auxiliary Fan Switch – 91°C
Genuine BMW - Corporate Logo
T#:368494
Part#: 61311364272
Ships in 4 Business Days
3% off MSRP $ 75.99

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$ 73.99 USD
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$ 75.99

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Trunk Tool Kit Water Pump Pliers - E36 E46 E30 E39
Trunk Tool Kit Water Pump Pliers - E36 E46 E30 E39
Genuine BMW - Corporate Logo
T#:11239
Part#: 71111179522
Ships in 3 Business Days
4% off MSRP $ 47.99

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$ 45.99 USD
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4% off MSRP
$ 47.99

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Missing a tool from your trunk mounted tool kit? Replace your missing water pump pliers with this Genuine BMW part. Having a complete tool kit is handy for quick repairs or it can save you in case of roadside failures. Also a complete tool kitis must when selling a car. If the tool kit is missing parts, what else has been neglected on the car?

This item fits the following BMWs:
1970-1976 2002 BMW 1600 2002 2002tii
1977-1983 E21 BMW 320i
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
1976-1978 E12 BMW 530i
1982-1988 E28 BMW 528e
1989-1995 E34 BMW 525i 530i 535i 540i M5
1997-2003 E39 BMW 525i 528i 530i 540i M5
1988-1994 E32 BMW 735i 735il 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
1996-2000 Z3 BMW M Roadster M Coupe
2000-2003 E52 BMW Z8 Roadster
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Genuine BMW Radiator - E23
Genuine BMW Radiator - E23
Genuine BMW - Corporate Logo
T#:45641
Part#: 17111153064
Ships on Oct 5, 2026
6% off MSRP $ 1,018.99

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$ 959.99 USD
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6% off MSRP
$ 1,018.99

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$ 959.99 USD
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Genuine BMW RADIATOR WITH TRANSMISSION O

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

Fits BMW Engines including:
M30
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BMW Coolant / Antifreeze - 1.5L
BMW Coolant / Antifreeze - 1.5L
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:16175674
Part#: 82141467704
Ships on Dec 11, 2026
$ 70.99 USD
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$ 70.99 USD
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Coolant G11 (Concentrate). The right anti-freeze agent makes a key contribution towards the reliable functioning of the engine cooling system under all operating and weather conditions. Cooler anti-freeze agents from Febi are precisely matched to the special requirements of the vehicle manufacturer and offer reliable protection from damages caused by freezing, corrosion, and cavitation. A good functioning cooling system is a primary prerequisite for the optimum operation of the engine. The ideal mixing ratio is 1:1, which offers frost protection to -36° C. With a ratio of 1:1 of water and concentrate, the boiling point of the cooling is approximately 107° C.+ High protection against freezing, corrosion, and cavitation Prevention of deposits and foam formation
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Genuine BMW Coolant hose - E34 535i
Genuine BMW Coolant hose - E34 535i
Genuine BMW - Corporate Logo
T#:367918
Part#: 17121712736
In Stock
3% off MSRP $ 79.99

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$ 77.99 USD
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3% off MSRP
$ 79.99

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$ 77.99 USD
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Bav Auto Angled Hose Pinch Plier Set - 2pc
Bav Auto Angled Hose Pinch Plier Set - 2pc
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580379
Part#: B8800058
In Stock
Sale - Save 25% $ 32.99

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

$ 24.74 USD
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Sale - Save 25%
$ 32.99

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

$ 24.74 USD
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Angled jaws close, creating a complete seal every time you use them - the jaws are offset, making it possible to use in hard-to-reach locations. Made of glass-filled nylon for extra strength. These are perfect for use with brake lines, etc.
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Universal 12" Electric puller Fan - Black
Universal 12" Electric puller Fan - Black
Spal - Corporate Logo
T#:598801
Part#: 30100375
In Stock
$ 99.99 USD
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$ 99.99 USD
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861 CFM. High performance puller fan with straight blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 13.25in x 12.5in x 2.2in Airflow (CFM): 861
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Genuine BMW Thermostat - 80ºC
Genuine BMW Thermostat - 80ºC
Genuine BMW - Corporate Logo
T#:206329
Part#: 11531710953
In Stock
3% off MSRP $ 59.99

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$ 57.99 USD
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$ 59.99

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Genuine BMW Thermostat - 80Cel

Universal Oil Cooler with Thermostat - 19 Row
Universal Oil Cooler with Thermostat - 19 Row
Mishimoto - Corporate Logo
T#:19593926
Part#: MMOCULT
In Stock at Vendor
$ 599.99 USD
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$ 599.99 USD
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Enhance your BMW's performance and protect its engine with this high-quality oil cooler kit

Even under ideal driving conditions, elevated oil temperatures can lead to decreased lubrication efficiency and pressure. With this oil cooler, you can maintain optimal oil temperatures for peak driving performance.

Kit Includes:

  • Four feet of stainless braided line for durability
  • Adapter fittings for easy installation
  • Oil filter sandwich adapter for seamless integration

Specifications:

  • Rows: 19
  • Overall Dimensions: 13" x 5.5" x 2"
  • Core Dimensions: 11.25" x 5.5" x 2"
  • Braided Hoses: 4ft .75 inch & 4ft 9 inch
  • Braided Hose Fittings: -10AN
  • Sandwich Plate Fittings: -10AN
  • Includes Thermostat for precise temperature and flow control

*WARNING: This product may be subject to Proposition 65 regulations in California. For more information, visit www.P65Warnings.ca.gov.

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Universal 14" Electric Fan - Black
Universal 14" Electric Fan - Black
Mishimoto - Corporate Logo
T#:378422
Part#: MMFAN14
In Stock
$ 100.99 USD
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$ 100.99 USD
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WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Mishimoto Universal Curved Blade Electrical Fan - 14"
Mishimoto Universal Curved Blade Electrical Fan - 14"
Mishimoto - Corporate Logo
T#:637389
Part#: MMFAN-14C
In Stock
$ 104.99 USD
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$ 104.99 USD
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This curved blade fan can be used as an upgrade to the OEM fan for more efficient cooling or fitment issues with aftermarket products. With its slim design, the fan can easily be installed flush against a radiator. For universal installation, use Mishimoto universal fan mount kit, T#363171. Features: High-flow curved blade fan provides 1300 CFM of airflow Universal fitment Compact design with a diameter of 14" and an overall thickness of only 2.65" provides increased engine bay space Mishimoto Lifetime Warranty WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Mishimoto Replacement Universal Oil Cooler - 19 Row
Mishimoto Replacement Universal Oil Cooler - 19 Row
Mishimoto - Corporate Logo
T#:381042
Part#: MMOC-19
In Stock
$ 218.99

This product was last offered at the strikethrough price on
05-06-2026

$ 196.99 USD
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$ 196.99 USD
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WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Water Pump
Water Pump
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:372934
Part#: 11519070761
Ships in 2 Business Days
$ 44.99 USD
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$ 44.99 USD
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The water pump in your vehicle keeps all that coolant flowing freely. If it begins to fail, overheating problems are inevitable. Don't take a chance on doing damage to engine internals by not replacing your water pump.
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Universal 16" High performance Electric puller Fan - Black
Universal 16" High performance Electric puller Fan - Black
Spal - Corporate Logo
T#:598818
Part#: 30102113
In Stock at Vendor
$ 257.99 USD
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$ 257.99 USD
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2467 CFM. High performance puller fan with curved blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 16.25in x 15.75in x 3.5in Airflow (CFM): 2467
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Universal 12" Electric Fan - Blue
Universal 12" Electric Fan - Blue
Mishimoto - Corporate Logo
T#:378412
Part#: MMFAN12BL
Ships in 4 Business Days
$ 106.99 USD
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$ 106.99 USD
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WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Gear Wrench Angled Hose Clip Pliers
Gear Wrench Angled Hose Clip Pliers
Gear Wrench - Corporate Logo
T#:387079
Part#: KDT3977
Ships in 2 Business Days
$ 53.99 USD
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$ 53.99 USD
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This tool is a variation of our popular 3976 Flat Band Hose Clamp Pliers and features 45º jaws with swivel tips to grip at any angle and pliers that latch securely in position.
Radiator Fan Clutch
Radiator Fan Clutch
Fits up to 09/79 production date
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:584529
Part#: 11521260459
Ships in 2 Business Days
$ 121.29 USD
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$ 121.29 USD
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419 Pc. Metric Universal O-Ring Assortment
419 Pc. Metric Universal O-Ring Assortment
ATD Tools - Corporate Logo
T#:3657943
Part#: ATD3601
Ships in 2 Business Days
$ 59.99 USD
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$ 59.99 USD
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Always have extra o-rings
Fan Clutch
Fan Clutch
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373086
Part#: 11521723027
Ships in 2 Business Days
$ 74.00 USD
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$ 74.00 USD
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Direct replacement from URO
Universal 12" Electric Fan - Black
Universal 12" Electric Fan - Black
Mishimoto - Corporate Logo
T#:378443
Part#: MMFAN12
Ships in 4 Business Days
$ 93.99 USD
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$ 93.99 USD
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WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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URO Fan Blade - E12, E23, E24, E28, E30
URO Fan Blade - E12, E23, E24, E28, E30
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:12996
Part#: 11521271846
Ships in 2 Business Days
$ 34.99

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

$ 33.99 USD
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$ 33.99 USD
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The blades on your radiator cooling fan can get brittle and crack over the years. If cracked, the high speed rotation can cause the fan to spin apart. Don't take a chance on having your fan explode under your hood. Replace it now and keep your cooling proper and your radiator safe.
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Thermostat Cover
Thermostat Cover
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:384802
Part#: 11531268650
Ships in 2 Business Days
$ 32.99 USD
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$ 32.99 USD
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Made to fit just like the stock unit, this replacement will get your coolant system back in top shape quickly. Broken, cracked, or brittle flanges are no longer a problem. Take the worries out of your morning commute with an inexpensive piece of mind.
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Spal Electric Fan Harness with Relay
Spal Electric Fan Harness with Relay
Spal - Corporate Logo
T#:2181323
Part#: FRH
Ships in 4 Business Days
12% off MSRP $ 112.99

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

$ 99.99 USD
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12% off MSRP
$ 112.99

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

$ 99.99 USD
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SPAL® electric fan relay wiring kits are designed to automatically turn on your SPAL® electric fan when the air conditioning is turned on. They can also be used when dual electric fans are installed using one switching device. Features: Makes installation of your new fan a breeze Designed to safely integrate with OEM wiring Feature a waterproof 10/40 amp relay with printed wires for easy installation Harness is designed for 12V systems only Does not included thermo-switch
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Genuine BMW Fan pulley mount flange - E12 530i, E23 733i, E24 633CSi
Genuine BMW Fan pulley mount flange - E12 530i, E23 733i, E24 633CSi ...
Genuine BMW - Corporate Logo
T#:6872
Part#: 11521259805
Ships in 3 Business Days
$ 32.99 USD
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$ 32.99 USD
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GENUINE BMW ENGINE FLANGE 11521259805
Fits BMW Engines including:
M30

Coolant Level Sensor - E30 325e,5/84/86, E28, E24, E23
Coolant Level Sensor - E30 325e,5/84/86, E28, E24, E23
Genuine BMW - Corporate Logo
T#:10545
Part#: 61311375715
Ships in 3 Business Days
2% off MSRP $ 92.99

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

$ 90.99 USD
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2% off MSRP
$ 92.99

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

$ 90.99 USD
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Got a low coolant level warning light on the dash? We recommend you check this coolant level sensor as it is often the cause of erroneous warning lights.
This item fits the following BMW's:
5/1984-1986 E30 BMW 325e 325es
5/1984-1988 E28 BMW 524td 528e 533i 535i 535is M5
5/1984-1988 E24 BMW 633csi 635csi
5/1984-1987 E23 BMW 733i 735i
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Coolant Hose from Water Pump to Thermostat Housing - e34 e32 e24 e28
Coolant Hose from Water Pump to Thermostat Housing - e34 e32 e24 e28...
Genuine BMW - Corporate Logo
T#:6888
Part#: 11531266459
Ships in 3 Business Days
$ 28.99 USD
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$ 28.99 USD
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This is the Genuine BMW "U" shapped cooling hose that goes from the water pump to the thermostat housing on cars with the M30 big block 6 cylinder engine.

This item fits the following BMWs:
1976-1981 E12 BMW 528i 530i
1982-1988 E28 BMW 533i 535i 535is
1989-1995 E34 BMW 535i
1982-1989 E24 BMW 633csi 635csi
1981-1987 E23 BMW 733i 735i
1988-1994 E32 BMW 735i 735il
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Genuine BMW Water Hose - Return Line to Thermostat Housing - E12 E23 E24 E3
Genuine BMW Water Hose - Return Line to Thermostat Housing - E12 E23 ...
Genuine BMW - Corporate Logo
T#:360382
Part#: 11531266137
In Stock
$ 28.99 USD
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$ 28.99 USD
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Return Line to Thermostat Housing
Genuine BMW Fan Blade (420 mm) - E12 E23 E24 E28 E3 E30
Genuine BMW Fan Blade (420 mm) - E12 E23 E24 E28 E3 E30
Genuine BMW - Corporate Logo
T#:183187
Part#: 11521273086
Ships in 3 Business Days
3% off MSRP $ 104.99

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

$ 101.99 USD
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3% off MSRP
$ 104.99

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

$ 101.99 USD
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Genuine BMW Fan 9 Blade - D=420mm
This item fits the following BMW Chassis:
E30

Fits BMW Engines including:
M20,M30,S38

Genuine BMW Water Pump - Remanufactured
Genuine BMW Water Pump - Remanufactured
Genuine BMW - Corporate Logo
T#:35710
Part#: 11519070760
Ships in 6 Business Days
6% off MSRP $ 344.99

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

$ 323.99 USD
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6% off MSRP
$ 344.99

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

$ 323.99 USD
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Genuine BMW Rmfd Water Pump -
This item fits the following BMW Chassis:
E34

Fits BMW Engines including:
M30

Genuine BMW Coolant Inlet Hose - Heater Core - 528e
Genuine BMW Coolant Inlet Hose - Heater Core - 528e
Genuine BMW - Corporate Logo
T#:11067
Part#: 64211363470
Ships in 3 Business Days
2% off MSRP $ 46.99

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

$ 45.99 USD
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2% off MSRP
$ 46.99

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

$ 45.99 USD
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GENUINE BMW HEATER & A/C WATER HOSE INLET 1 64211363470
Genuine BMW Thermostat Cover
Genuine BMW Thermostat Cover
Genuine BMW - Corporate Logo
T#:6900
Part#: 11531268650
Ships in 3 Business Days
4% off MSRP $ 46.99

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

$ 44.99 USD
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4% off MSRP
$ 46.99

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

$ 44.99 USD
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Genuine BMW Cover -
This item fits the following BMW Chassis:
E34

Fits BMW Engines including:
M30

Expansion Tank - E23
Expansion Tank - E23
Genuine BMW - Corporate Logo
T#:22500
Part#: 17111178251
Special Order: No Guaranteed ETA
4% off MSRP $ 231.99

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

$ 221.99 USD
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4% off MSRP
$ 231.99

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

$ 221.99 USD
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Genuine BMW EXPANSION TANK.--

This item fits the following BMWs:
BMW 7 Series - 733i, 735i, 745i

--. Fits BMW Engines including:
M30

Fan Clutch Wrench - 32mm
Fan Clutch Wrench - 32mm
CTA Tools - Corporate Logo
T#:641760
Part#: CTAA878
Ships on Oct 1, 2026
$ 23.57 USD
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$ 23.57 USD
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Use to remove and install Fan Clutch Assemblies when replacing Water Pumps or doing other Engine Services
Hose - E23
Hose - E23
Genuine BMW - Corporate Logo
T#:19221
Part#: 11531272835
Special Order: No Guaranteed ETA
$ 28.99 USD
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$ 28.99 USD
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Genuine BMW HOSE 11531272835


Fits BMW Engines including:
M30

Hepu Water Pump - E12, E23, E24, E28, E32, E34
Hepu Water Pump - E12, E23, E24, E28, E32, E34
Hepu - Corporate Logo
T#:1195855
Part#: 11519070760
Ships on Oct 8, 2026
$ 57.02 USD
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$ 57.02 USD
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Prevent cooling system failure
FAE Coolant Temperature Sensor - E23, E24, E28
FAE Coolant Temperature Sensor - E23, E24, E28
FAE - Corporate Logo
T#:1195824
Part#: 62161360870
Ships on Oct 8, 2026
$ 23.93 USD
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$ 23.93 USD
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Relays engine coolant temperature information to the ECU.
Hose F Engine Inlet And Water Valve - E23, E34
Hose F Engine Inlet And Water Valve - E23, E34
Genuine BMW - Corporate Logo
T#:11080
Part#: 64211391386
Special Order: No Guaranteed ETA
2% off MSRP $ 166.99

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

$ 162.99 USD
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2% off MSRP
$ 166.99

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

$ 162.99 USD
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Genuine BMW Hose F Engine Inlet And Water Valve
This item fits the following BMW Chassis:
E34 M5,E34

Water Pump
Water Pump
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:582577
Part#: 11519070761
Ships on Oct 1, 2026
$ 55.99 USD
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$ 55.99 USD
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Thermostat - 80°C
Thermostat - 80°C
Mahle - Corporate Logo
T#:594737
Part#: 11531254065
Back Ordered
$ 22.99

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

$ 21.99 USD
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$ 21.99 USD
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The thermostat on your vehicle controls the flow of coolant based on temperature. When you just start your engine, the thermostat remains closed to accelerate the warm up process. After a few minutes, it opens up to allow the warm fluid to flow. If your vehicle is overheating but not blowing warm air from the heater, the problem is more than likely your thermostat.
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Thermostat - 80°C
Thermostat - 80°C
Mahle-Behr - Corporate Logo
T#:381058
Part#: 11531254065
Back Ordered
$ 23.99 USD
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$ 23.99 USD
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Red Line Water Wetter Heat Transfer Agent
Red Line Water Wetter Heat Transfer Agent
Redline - Corporate Logo
T#:3607
Part#: 1-WW-12Z
In Stock
$ 15.99 USD
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$ 15.99 USD
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Water Wetter is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30*F. This liquid product can be used to provide rust and corrosion protection in plain water for racing engines, which provides much better heat transfer properties than glycol-based antifreeze. Or it can be added to new or used antifreeze to improve the heat transfer of ethylene and propylene glycol systems. Designed for modern aluminum, cast iron, copper, brass, and bronze systems.

We have been using RedLine Oil in our street cars and race cars for years. Hands-down, it is the Number One brand of high performance lubricant for BMWs.
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Radiator Fan Switch Plug - E30, E34, E36, E23, E32
Radiator Fan Switch Plug - E30, E34, E36, E23, E32
Race German - Corporate Logo
T#:23947130
Part#: E30RADFANSP
In Stock
$ 17.99 USD
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$ 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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3/8"/9mm Band Hose Clamp - 50-70mm
3/8"/9mm Band Hose Clamp - 50-70mm
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:341684
Part#: 003402ECS06A-12
In Stock
Sale - Save 25% $ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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Sale - Save 25%
$ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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Elevate your BMW maintenance with ECS Tuning's 304 stainless steel hose clamps, offering convenience and top-quality performance at an affordable price. Designed with various band widths and German-style T-bolts for adjustable sizing, these hose clamps ensure a secure fit for your specific diameter needs. Skip the dealership wait and excessive pricing; ECS Tuning provides reliable, dealership-quality hose clamps without the premium cost, ensuring your car receives the care it deserves.
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90-110mm 3/8"/9mm Band Hose Clamp
90-110mm 3/8"/9mm Band Hose Clamp
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:341281
Part#: 003402ECS06A-13
In Stock
Sale - Save 40% $ 6.99

This product was last offered at the strikethrough price on
05-02-2026

$ 4.19 USD
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Sale - Save 40%
$ 6.99

This product was last offered at the strikethrough price on
05-02-2026

$ 4.19 USD
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ECS Tuning 304 Stainless Steel Hose Clamps

Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

  • Made from high-quality 304 stainless steel for durability
  • German-style design with T-bolts allows for easy size adjustment
  • Various band widths for versatile use
  • Avoid dealership pricing without compromising on quality
  • Perfect for BMW enthusiasts seeking affordable yet reliable hose clamps
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Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34
Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34 ...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:19431
Part#: 17121712736
In Stock
$ 13.99 USD
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$ 13.99 USD
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VENT HOSE 17121712736 Manufactured by CRP

1/2"/12mm Band Hose Clamp - 25-40mm - Priced Each
1/2"/12mm Band Hose Clamp - 25-40mm - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:385425
Part#: 003402ECS05A-06
In Stock
Sale - Save 25% $ 4.99

This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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Sale - Save 25%
$ 4.99

This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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Upgrade Your BMW Maintenance with Stainless Steel Hose Clamps from ECS Tuning

ECS Tuning introduces premium full stainless steel hose clamps, offering superior quality and convenience for your BMW maintenance. Avoid dealership delays and overpricing by choosing from a selection of band widths, ensuring you receive top-quality hose clamps without overpaying.

Key Benefits:

  • Premium full stainless steel hose clamps
  • Various band widths for enhanced convenience
  • High-quality alternative to dealership pricing
  • Readily available stock eliminates waiting time
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Expansion Tank Hose
Expansion Tank Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:50066848
Part#: 17121712736
In Stock
$ 12.79

This product was last offered at the strikethrough price on
08-31-2026

$ 10.99 USD
Limited Qty Sale
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$ 12.79

This product was last offered at the strikethrough price on
08-31-2026

$ 10.99 USD
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Coolant overflow hose designed to route excess coolant to and from the expansion tank, helping regulate system pressure and maintain proper coolant levels. Manufactured for correct fit and flow, it ensures reliable expansion tank operation and leak-free performance.
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Coolant Thermostat - Includes Sealing Gasket
Coolant Thermostat - Includes Sealing Gasket
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:54852031
Part#: 028 280 0004
In Stock
New Item
$ 11.99 USD
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$ 11.99 USD
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This Meyle-Original replacement thermostat is a direct-fit solution designed to maintain a rock-solid, factory-correct 80°C operating temperature.
Schwaben 32mm / 36mm Fan Clutch and Oil Filter Cap Open-End Wrench
Schwaben 32mm / 36mm Fan Clutch and Oil Filter Cap Open-End Wrench ...
10X Entries Into Our F80 M3 Sweepstakes
Schwaben - Corporate Logo
T#:361021
Part#: DO-3236
In Stock
Sale - Save 25% $ 25.99

This product was last offered at the strikethrough price on
05-02-2026

$ 19.49 USD
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Sale - Save 25%
$ 25.99

This product was last offered at the strikethrough price on
05-02-2026

$ 19.49 USD
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Why buy two tools when you can get one that will do many jobs like this open end wrench? It is great for removing and installing the fan clutch and plastic oil filter cap. Also works great for removing and installing the VAN0S solenoid on M50 engine family. Use the same tools the Turner Motorsport tech's use!

Features:

  • Made of Chrome Vanadium Steel for strength
  • 32/36mm open end sides

 

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40-60mm 3/8"/9mm Band Hose Clamp
40-60mm 3/8"/9mm Band Hose Clamp
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:341280
Part#: 003402ECS06A-08
In Stock
Sale - Save 25% $ 3.99

This product was last offered at the strikethrough price on
06-13-2026

$ 2.99 USD
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Sale - Save 25%
$ 3.99

This product was last offered at the strikethrough price on
06-13-2026

$ 2.99 USD
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ECS Tuning 304 Stainless Steel Hose Clamps

Revolutionize your car maintenance with ECS Tuning's premium 304 stainless steel hose clamps. Eliminate dealership delays and inflated prices! These German-style clamps utilize T-bolts for hassle-free diameter adjustment. With various band widths available, these durable clamps ensure reliability without the hefty cost. Experience dealership-quality products at affordable rates, exclusively at ECS Tuning.

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