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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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Electric Fan With Shroud

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T#:637095

Part#: 17427545366

In Stock at Vendor

$ 392.99

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

$ 381.00 USD

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$ 381.00 USD

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Automatic Transmission Cooler - E36 Z3 E34

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T#:2069

Part#: 17201728770

Ships in 1 Business Day

$ 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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TYC Auxiliary Pusher Fan Assembly - E46

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T#:374227

Part#: 64546988913

In Stock at Vendor

$ 261.99

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

$ 254.99 USD

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$ 254.99 USD

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Cooling fan mounted in front of the radiator

TYC Electric Fan With Shroud - E82, E88, E90, E91, E92, E93

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T#:579962

Part#: 622990

Ships in 1 Business Day

$ 324.99 USD

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$ 324.99 USD

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If your fan fails your engine will overheat when idling

TYC Pusher Fan Assembly - E53

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T#:579955

Part#: 611400

Ships in 3 Business Days

$ 326.99

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

$ 317.99 USD

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$ 317.99 USD

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Complete fan with assembly with housing and motor

ACM Auxiliary Fan Assembly - Suction - E36, Z3

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T#:371894

Part#: 64508372039

Back Ordered

$ 166.99 USD

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$ 166.99 USD

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Mounted behind the radiator

TYC Radiator Fan Housing - R50, R52, R53

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T#:54388349

Part#: 17117541092

In Stock at Vendor

$ 191.99 USD

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$ 191.99 USD

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Replace a failed Radiator fan

Mounting Part

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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

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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"

Auxiliary Fan Assembly

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T#:556566

Part#: 661230

Ships in 1-2 days

$ 166.99

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

$ 161.99 USD

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$ 161.99 USD

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Aluminum Radiator

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T#:13957908

Part#: 17117617595

Back Ordered

$ 228.99

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

$ 222.99 USD

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$ 222.99 USD

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