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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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Water Pump and Seal - Saleri

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T#:581204

Part#: PA659

Ships in 1 Business Day

$ 60.99 USD

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$ 60.99 USD

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Mechanical Water Pump

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T#:30164633

Part#: 11518638026

In Stock

$ 195.99

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

$ 192.99 USD

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$ 192.99 USD

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Saleri Water Pump With Support Bracket

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T#:47439411

Part#: 11517644809

In Stock

$ 201.99

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

$ 195.99 USD

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$ 195.99 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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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

Water Pump and Gasket - Saleri

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T#:581201

Part#: PA1425

Ships in 1 Business Day

$ 79.56

This product was last offered at the strikethrough price on
04-25-2026

$ 77.88 USD

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$ 77.88 USD

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Ensure the smooth flow of coolant and prevent overheating issues in your Mini by replacing the water pump. Engineered to keep coolant circulating efficiently, this component is crucial for preventing potential damage to your engine. Water pump failure is a common problem in many German vehicles and can result in severe consequences, including overheating, head gasket, or piston ring failure. Consider replacing the water pump preventatively during any timing belt replacement, as it's a critical maintenance item.

Prevents overheating issues and engine damage
Common problem in German vehicles
Vital for maintaining proper coolant circulation
Considerate preventative maintenance during timing belt replacements
Ensure compatibility with thermostats and coolant for a comprehensive replacement

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MINI R52 R53 Water Pump With O-Ring

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T#:28836399

Part#: 11517520123

Ships in 1 Business Day

$ 178.99

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

$ 171.99 USD

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$ 171.99 USD

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MINI R52 R53 Water Pump With O-Ring

Upgrade your Mini's cooling system with the MINI R52 R53 Water Pump With O-Ring. Engineered for reliability and performance, this water pump ensures efficient coolant circulation to maintain optimal engine temperature. Say goodbye to overheating issues and enjoy a smooth and worry-free driving experience with this high-quality water pump.

Specifically designed for MINI R52 R53 models
Includes O-ring for secure sealing
Ensures efficient coolant circulation
Prevents engine overheating
Provides reliable and worry-free performance

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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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Saleri Electric Water Pump - N20

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T#:47439419

Part#: 11515A81BE9

Ships in 1-2 days

$ 551.99

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

$ 535.99 USD

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$ 535.99 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"

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