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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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Automatic Transmission Cooler - E36 Z3 E34

T#:2069

Part#: 17201728770

Ships in 1 Business Day

$ 207.15

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

$ 205.10 USD

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$ 205.10 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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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

Mounting Part

T#:5095677

Part#: 64113422668

Ships in 1 Business Day

$ 26.99 USD

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$ 26.99 USD

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ACM Air Conditioning Fan - E39

T#:374495

Part#: 64548380780

Back Ordered

$ 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

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T#:31291056

Part#: 64541392913

Ships on Oct 26, 2026

$ 161.99 USD

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$ 161.99 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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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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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.

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

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 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

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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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

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.

VEMO Electronic Thermostat And Coolant Distribution Module - BMW B58T...

T#:52903296

Part#: V20-99-0005

Ships in 4 Business Days

$ 336.99

This product was last offered at the strikethrough price on
08-05-2026

$ 291.99 USD

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$ 291.99 USD

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An electronic thermostat that is controlled by the car's computer for optimal control over the engine and coolant temperature. Internal valves are opened and closed by the vehicle's DME/ECU to achieve specific temperature targets for optimal engine efficiency and performance.

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VEMO Electric Radiator Fan & Shroud - 600W - BMW F22/23 F3X

T#:41052829

Part#: 17428641964

Special Order: No Guaranteed ETA

$ 400.99

This product was last offered at the strikethrough price on
04-20-2026

$ 381.99 USD

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$ 381.99 USD

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The auxiliary fan in your vehicle serves an extremely important role. When your car reaches temperatures that may be hazardous to your engine, the auxiliary fan moves air through the radiator to provide better cooling. Usually activated during times of stationary vehicle operation, it supplements the air usually driven through the radiator by driving down the road. If your vehicle is getting too hot during traffic or at stop lights, your auxiliary fans are probably faulty. Replace yours to restore the factory cooling in your vehicle and prevent catastrophic damage to your engine. Even if your fans are still operational but the blades are damaged or cracked, replacement is the only solution.

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VEMO Coolant Thermostat Assembly - BMW G20 G22/23 G30 B48 2.0L ...

T#:49578587

Part#: V20-99-1310

Special Order: No Guaranteed ETA

$ 182.99 USD

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$ 182.99 USD

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Modern BMW thermostats are electronically controlled, allowing the DME/ECU to directly regulate coolant flow throughout the engine and its components. This system enables the thermostat to operate based on a broader range of temperature inputs, such as coolant, cylinder head, engine block, and oil temperatures, for more refined control of engine warm-up and temperature across diverse conditions. Unlike traditional thermostats, which simply open or close to permit coolant flow, this system uses a rotary valve for more dynamic control. The rotary valve adjusts to various positions, allowing for partial or full coolant flow to designated passageways as needed. This precision control helps your BMW's engine reach optimal temperatures quickly and ensures efficient heat management under various driving conditions.

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Fan Shroud

T#:57616355

Part#: 17111709312

Back Ordered

$ 78.99 USD

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$ 78.99 USD

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