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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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OEM INA Water Pump - BMW N54 N55 3.0L

T#:40004835

Part#: 11515A05704

In Stock

$ 445.99 USD

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$ 445.99 USD

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Water pumps are a critical component of your cooling system. A failed water pump will stop the flow of coolant in your vehicle, leading to overheating and eventual engine damage. Replace your faulty or aging water pump with a high-quality OEM unit from Schaeffler. Replacement for BMW part # 11519455978, 11517632426, and 11517563659.

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Vaico Coolant Overflow Hose - Radiator to Expansion Tank - BMW F01 F0...

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T#:595421

Part#: 17127575428

Ships in 2 Business Days

$ 143.99

This product was last offered at the strikethrough price on
08-13-2026

$ 80.99 USD

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$ 80.99 USD

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Overflow hoses connect the radiator and the expansion tank to store overflow of coolant. As pressures in the cooling system increase due to coolant temperatures, a valve on the radiator cap permits coolant back into the reservoir to help ease the build-up of pressure and prevent coolant loss. If your hose is leaking or damaged, we recommend swapping it out with this replacement from Vaico.

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OEM INA Electronic Thermostat And Coolant Distribution Module - BMW B...

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T#:36201645

Part#: 11538642559

In Stock

$ 367.99

This product was last offered at the strikethrough price on
07-23-2026

$ 356.99 USD

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$ 356.99 USD

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Engineered specifically for BMW models, the electronic thermostat and coolant distribution module plays a vital role in the engine’s cooling system, adapting to changing temperatures for superior performance under all driving conditions. Whether on the track or the highway, this module ensures your BMW runs cooler, longer, and more efficiently.

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OEM INA Heat Management Module - MINI F5X F60 B36 B46

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T#:34214774

Part#: 11538631943

In Stock

$ 310.99 USD

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$ 310.99 USD

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Maximize performance and safeguard your engine with the Heat Management Module, engineered to deliver superior temperature control and reliability under extreme conditions.

OEM INA Water Pump - BMW N52 3.0L

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T#:36201646

Part#: 11517586925

Ships in 8 Business Days

$ 624.99 USD

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$ 624.99 USD

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Choose the INA Water Pump for E90 E92 and E93 to ensure your BMW’s cooling system operates efficiently, providing peace of mind and reliable performance on every drive.

Vaico Radiator Return Coolant Hose - BMW E70 X5 35d M57

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T#:21965996

Part#: 17127794153

Ships in 2 Business Days

$ 245.99

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

$ 238.99 USD

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$ 238.99 USD

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Returns coolant from the engine to the radiator

Vaico Intercooler Coolant Hose - Auxiliary Water Pump to Expansion Ta...

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T#:595431

Part#: 17127591512

Ships in 2 Business Days

$ 185.99

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

$ 179.99 USD

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$ 179.99 USD

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Replacement coolant hose that connects the expansion tank to the auxiliary water pump. Replace your old hose to prevent coolant loss and overheating.

Vaico Coolant Hose - Trans Cooler to Radiator - BMW E70 X5 N52 N62 ...

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T#:595408

Part#: 17127537101

Ships in 2 Business Days

$ 135.99

This product was last offered at the strikethrough price on
08-13-2026

$ 55.99 USD

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$ 55.99 USD

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Returns coolant from the transmission heat exchanger to the radiator

Vaico Lower Radiator Hose - BMW Z4 2.5 3.0 M54

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T#:363540

Part#: 17127514405

Ships in 2 Business Days

$ 96.99

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

$ 93.99 USD

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$ 93.99 USD

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Replace your leaking coolant hose and prevent engine overheating with this replacement Vaico coolant hose.

Vaico Expansion Tank Coolant Hose - BMW E70 X5 35d M57

T#:41052807

Part#: 17127808117

Ships in 2 Business Days

$ 230.99

This product was last offered at the strikethrough price on
04-15-2026

$ 229.99 USD

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$ 229.99 USD

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Connects the lower expansion tank connection to the transmission heat exchanger

INA Water Pump for E60 , E71 and F10

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T#:36574507

Part#: 11517632426

Back Ordered

$ 691.99 USD

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$ 691.99 USD

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This premium replacement water pump is engineered to OE specifications for performance, reliability, and longevity, making it an essential component for maintaining optimal engine temperatures

Vaico Upper Radiator Coolant Hose - BMW G30 G32 G11/G12 B58A ...

T#:41188159

Part#: 17128602871

Special Order: No Guaranteed ETA

$ 85.99 USD

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$ 85.99 USD

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Directs coolant from the engine to the radiator. Stop leaks and prevent overheating with a new upper radiator hose.

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