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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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Behr Radiator - E36

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T#:1196128

Part#: 17111723784

In Stock at Vendor

$ 298.35 USD

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$ 298.35 USD

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Brand new radiator equivalent to OE

Radiator

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T#:591360

Part#: 17111728905

In Stock at Vendor

$ 399.99

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

$ 388.99 USD

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$ 388.99 USD

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Behr Replacement Radiator - More than likely, you are going to replace the radiator in your vehicle at least once. The joints where the cores meet the end tanks tend to get weak and are the first place to spring a leak. Impacts to the fins themselves can cause holes to form. Corrosion and clogging from the inside can make cooling less than effective and compromise coolant flow.

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Hella Radiator - Manual - E34

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T#:363371

Part#: 17111737760

In Stock at Vendor

$ 687.60 USD

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$ 687.60 USD

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Replace your leaking radiator

Behr Radiator - E60, E61, E63, E64

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T#:579569

Part#: 376755591

Back Ordered

$ 267.99 USD

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$ 267.99 USD

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Replace your leaking radiator

REMOTE RADIATOR

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T#:33047035

Part#: 17117634565

In Stock at Vendor

$ 156.99

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

$ 151.99 USD

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$ 151.99 USD

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E46 323/325/328/330 Manual, Z4 OEM Behr Radiator

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T#:338021

Part#: 17119071518

In Stock at Vendor

Starting at $ 249.99 USD

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Starting at $ 249.99 USD

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This is a BEHR brand (OEM supplier to BMW) replacement radiator for all 1999-2006 E46 3 series (non-M), including 323i, 323Ci, 328i, 328Ci, 325i, 325Ci, 330i, 330Ci, and Z4 2.5 and 3.0. Compare to BMW list price of $318! Save big, while still getting the highest quality radiator available for your BMW.

This radiator fits the follow BMWs: :
Only for Manual Transmission
1999-5/2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi - Not for cars with M56 engine

2003-2006 E85 BMW Z4 2.5i Z4 3.0i - M54 engine
2006-2008 E85 BMW Z4 M Roadster M Coupe

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Behr Radiator Replacement

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For Automatic Vehicles only

T#:591355

Part#: 17117519211

In Stock at Vendor

$ 454.11 USD

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$ 454.11 USD

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Replace your faulty or worn radiator with this factory replacement

Radiator

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T#:594798

Part#: 17117576827

Ships in 1-2 days

$ 415.99 USD

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$ 415.99 USD

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Replacement Radiator from Behr Hella

Cooling Fan Assembly

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T#:31291056

Part#: 64541392913

Ships on Jul 28, 2026

$ 161.99 USD

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$ 161.99 USD

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Radiator

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T#:594801

Part#: 17117570094

Ships on Jul 28, 2026

$ 374.99 USD

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$ 374.99 USD

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More than likely, you are going to replace the radiator in your vehicle at least once. The joints at where the cores meet the ends tend to get weak and are the first place to spring a leak. Impacts to the fins themselves can cause holes to form. Corrosion and clogging from the inside can make it less than effective. Replace your leaking unit with a factory replacement and get that jug of coolant out of your back seat.

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Radiator

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T#:594800

Part#: 17117605644

Ships on Jul 28, 2026

$ 362.99 USD

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$ 362.99 USD

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Replacement Radiator from Behr

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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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

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.

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

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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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 - 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

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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Behr Radiator - E34

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T#:1195792

Part#: 17111723467

Back Ordered

$ 273.99

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

$ 265.99 USD

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$ 265.99 USD

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OE replacement radiator

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