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BMW Cooling System Parts & Accessories

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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RADIATOR 3.2L- 2 CORE- ALSO FIT M COUPE M ROADSTER- E36

T#:20946747

Part#: RAD3Z398

Ships in 3 Business Days

$ 152.99 USD

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$ 152.99 USD

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1 piece of 2-row radiator Made of lightweight & long-lasting aluminum material Overall dimension: 24.5" (L) x 2.75" (W) x 18.5" (H) Inlet: 1.5"/ Outlet: 1.5" Provides maximum cooling efficiency

Automatic Transmission Cooler - E36 Z3 E34

T#:2069

Part#: 17201728770

Ships in 2 Business Days

$ 207.15

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

$ 201.97 USD

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$ 201.97 USD

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This transmission fluid/oil cooler fits E36 318i 318is 318ti 323i 323is 325i 325is 328i 328is M3, E34 525i 530i 1993-1995 and Z3 1.9 2.3 2.5i 2.8 3.0i with automatic transmission.

This oil cooler fits the following BMWs:
1992-1998 E36 BMW 318i 318is 318ti 323is 325i 325is 328i 328is M3
1993-1995 E34 BMW 525i 525i Wagon
1994-1995 E34 BMW 530i 530i Wagon
1996-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0ibr>

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Aluminum 2-Row Performance Radiator - 1998-2002 BMW E36 Z3 M Coupe/Ro...

T#:14684348

Part#: RAD3-Z398

Ships in 8 Business Days

$ 152.99 USD

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$ 152.99 USD

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Brand new in original box 1 piece of 2-row radiator Made of lightweight & long-lasting aluminum material Overall dimension: 24.5" (L) x 2.75" (W) x 18.5" (H) Inlet: 1.5"/ Outlet: 1.5" Provides maximum cooling efficiency Professional installation is recommended

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Motorsport Thermostat - 60C - Complete with Housing - M54 / M52tu ...

T#:1171

Part#: TMS1171

Ships in 9 Business Days

$ 415.45 USD

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$ 415.45 USD

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This is a genuine BMW Motorsport part, designed specifically for BMW racing applications. We use this exact thermostat setup in our Championship-winning E46 330i race car. It is designed to be used on all M54 and M52TU double-VAN0S engines, as used in the 1999-2000 E46 323/328 and 2001-2005 E46 325/330. This 60 degree C (140 defrees F) thermostat comes complete with plastic thermostat housing. It does not use the plug and wiring for the stock DME so this should only be used with an aftermarket engine management system (Motec, Bosch, etc).

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.

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BMW Motorsports Water Pump w/ Upgraded Aluminum Impeller - E9X M3 ...

T#:5574

Part#: 11518331044

Special Order: No Guaranteed ETA

$ 999.99 USD

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$ 999.99 USD

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Upgrade from the plastic impeller on the stock water pump to this aluminum impeller pump originally developed by BMW for the M3 GT4. This aluminum water pump was designed to stand up to the abuse of racing but can be used on a standard street car.

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ACM Auxiliary Fan Assembly - Suction - E36, Z3

T#:371894

Part#: 64508372039

Back Ordered

$ 166.99 USD

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$ 166.99 USD

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Mounted behind the radiator

Motorsport Thermostat - 55 (NO LONGER AVAILABLE)

T#:337991

Part#: 11531417215

Back Ordered

Starting at $ 232.98 USD

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Starting at $ 232.98 USD

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E46M3 Motorsport Thermostat 55C (Also fits Euro E36 M3 engine) A Genuine BMW part this thermostat opens at a much lower temperature than stock to keep your S54 engine (or Euro S50/S52 engine) running cooler in race applications.

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Mounting Part

T#:5095677

Part#: 64113422668

In Stock at Vendor

$ 25.99 USD

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$ 25.99 USD

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ACM Air Conditioning Fan - E39

T#:374495

Part#: 64548380780

Ships in 1-2 days

$ 229.99

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

$ 223.99 USD

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$ 223.99 USD

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Also known as "pusher fan"

Cooling Fan Assembly

We Price Match - Give Us A Call or Chat!

T#:31291056

Part#: 64541392913

Ships on Aug 6, 2026

$ 161.99 USD

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$ 161.99 USD

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Radiator Fan FA70982

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T#:31622536

Part#: 17427535100

Special Order: No Guaranteed ETA

$ 240.99 USD

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$ 240.99 USD

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Cooling Fan Assembly

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T#:31522992

Part#: 64508364093

Special Order: No Guaranteed ETA

$ 164.99 USD

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$ 164.99 USD

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Electric Auxiliary Fan - E39 1999-2003

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T#:3121418

Part#: 64546921395

Special Order: No Guaranteed ETA

$ 397.99 USD

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$ 397.99 USD

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This electric auxiliary fan for BMW E39 525i 528i 530i 540i M5 1999-2003 mounts in front of the radiator and is designed to push air through the A/C Condenser and main radiator. It provides additional cooling for when the car is in traffic. It is a common failure item. If your engine temps are creeping up or if your A/C isn't blowing cold this could be the cause.

This item fits the following BMWs:
1999-2003 E39 BMW 525i 528i 530i 540i M5

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OEM VDO Auxiliary Electric Cooling Fan - E46 323I 325I 328I 330I ...

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T#:3077081

Part#: 64546988913

Special Order: No Guaranteed ETA

$ 314.99 USD

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$ 314.99 USD

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This electric auxiliary fan for BMW E46 3 Series mounts in front of the radiator and is designed to push air through the A/C Condenser and main radiator. It provides additional cooling for when the car is in traffic. It is a common failure item. If your engine temps are creeping up or if your A/C isn't blowing cold this could be the cause. NOTE: This is the fan that mounts in front of the radiator. It is not the electric engine fan that mounts between the radiator and engine. This item fits the following BMWs: 1999-2006 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi

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Radiator Cooling Fan Assembly

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T#:3077082

Part#: 17427521767

Special Order: No Guaranteed ETA

$ 857.99 USD

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$ 857.99 USD

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This is an entire electric fan assembly that includes both the fan motor itself as well as the fan blade.

Electric Auxiliary Fan - E38 1999-2001, Z8

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T#:3121420

Part#: 64546921383

Special Order: No Guaranteed ETA

$ 563.99 USD

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$ 563.99 USD

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This electric auxiliary fan for BMW E38 7 series 1999-2001 and BMW Z8, mounts in front of the radiator and is designed to push air through the A/C Condenser and main radiator. It provides additional cooling for when the car is in traffic. It is a common failure item. If your engine temps are creeping up or if your A/C isn't blowing cold this could be the cause.

This item fits the following BMWs:
1999-2001 E38 BMW 740i 740il 750il
2000-2003 E52 BMW Z8 Roadster

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OEM VDO Fan Housing With Fan - 17117590699

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T#:3077089

Part#: 17117590699

Special Order: No Guaranteed ETA

$ 368.99 USD

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$ 368.99 USD

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OEM VDO Fan Housing With Fan - 400W
This item fits the following BMW Chassis:
E82,E89 Z4,E90,E92,E93

Fits BMW Engines including:
N52,N52N

OEM VDO Electric Radiator Fan With Shroud

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T#:3077088

Part#: 17427562080

Special Order: No Guaranteed ETA

$ 516.99 USD

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$ 516.99 USD

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This is an entire electric fan assembly that includes both the fan motor itself as well as the fan blade.

Air Conditioning Fan Assembly - E38 1995-1998

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T#:3077090

Part#: 64548380774

Special Order: No Guaranteed ETA

$ 348.99 USD

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$ 348.99 USD

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This electric auxiliary fan for BMW E38 7 series 1995-1998, mounts in front of the radiator and is designed to push air through the A/C Condenser and main radiator. It provides additional cooling for when the car is in traffic. It is a common failure item. If your engine temps are creeping up or if your A/C isn't blowing cold this could be the cause.

This item fits the following BMWs:
1995-1998 E38 BMW 740i 740il 750il

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OEM VDO Auxiliary Fan Assembly - Suction - E36 M42, M44, Z3 M44 ...

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T#:3077091

Part#: 64508372039

Special Order: No Guaranteed ETA

$ 243.99 USD

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$ 243.99 USD

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Replacement Auxiliary Fan Assembly With Shroud from VDO

Pusher Fan Assembly - E53 X5

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T#:3077101

Part#: 64546921381

Special Order: No Guaranteed ETA

$ 414.99 USD

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$ 414.99 USD

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Replacement Auxiliary Fan Assembly With Shroud from VDO

OEM VDO Fan Housing With Fan 400W - 17113452509 - E83

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T#:3077083

Part#: 17113401056

Special Order: No Guaranteed ETA

$ 773.99 USD

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$ 773.99 USD

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OEM VDO Fan Housing With Fan - 400W
This item fits the following BMW Chassis:
E83 X3

Fits BMW Engines including:
M54,N52N

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