BMW Cooling System Parts & Accessories for BMW X Series E84 (2013-2015)

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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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BMW N20 2.0L Thermostat With Housing
BMW N20 2.0L Thermostat With Housing
Bavarian Autosport - Corporate Logo
T#:18003828
Part#: 11538635689
In Stock
Sale - Save 20% $ 67.99

This product was last offered at the strikethrough price on
05-03-2026

$ 54.39 USD
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$ 67.99

This product was last offered at the strikethrough price on
05-03-2026

$ 54.39 USD
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BMW N20 2.0L Thermostat With Housing ensures optimal engine performance by maintaining the correct operating temperature. This crucial component regulates coolant flow, preventing issues related to overheating or inadequate cooling. The thermostat plays a vital role in your BMW’s temperature gauge, influencing engine efficiency and longevity.

  • Precision Temperature Control: Maintains the engine within the ideal temperature range for optimal performance and efficiency.
  • Complete Assembly: Includes the thermostat and housing, offering a convenient and comprehensive solution for replacements.
  • Reliable Operation: Helps prevent common issues such as overheating or running too cool by regulating coolant flow effectively.
  • Enhanced Engine Life: Ensures the engine operates under ideal conditions, extending its lifespan and improving overall performance.
  • High-Quality Construction: Designed to meet or exceed OEM specifications, providing durability and reliable performance.

Upgrade your BMW with the N20 2.0L Thermostat With Housing to ensure reliable temperature management and enhanced engine performance.

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Water Pump - N20 N26
Water Pump - N20 N26
Bavarian Autosport - Corporate Logo
T#:29666093
Part#: 11518635089
In Stock
Sale - Save 20% $ 343.99

This product was last offered at the strikethrough price on
05-03-2026

$ 275.19 USD
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Sale - Save 20%
$ 343.99

This product was last offered at the strikethrough price on
05-03-2026

$ 275.19 USD
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A failing water pump can show early warning signs like coolant leaks or a whining noise from the engine bay—but with electric water pumps, failure can be sudden, often with no warning beyond rapid overheating.

If you suspect your water pump is on its way out, prompt replacement is critical to avoid engine damage. Stay alert to any changes in cooling system performance.

Note: Aluminum mounting bolts are single-use and must be replaced during installation.

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Genuine BMW Radiator Carrier - Right
Genuine BMW Radiator Carrier - Right
Genuine BMW - Corporate Logo
T#:45593
Part#: 17107524914
Ships in 3 Business Days
Sale - Save 6% $ 68.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 64.66 USD
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Sale - Save 6%
$ 68.99

This product was last offered at the strikethrough price on
06-15-2026

$ 64.66 USD
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Genuine BMW Module Carrier

This item fits the following BMW Chassis:
E82 1M Coupe,E82,E89 Z4,E90,E92,E93

Fits BMW Engines including:
M57,N20,N51,N52,N52N,N54,N54T,N55,S65

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Genuine BMW Radiator Hose - Engine to Radiator - E84 Z4
Genuine BMW Radiator Hose - Engine to Radiator - E84 Z4
Genuine BMW - Corporate Logo
T#:178270
Part#: 17127612444
In Stock
Sale - Save 5% $ 106.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 101.41 USD
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Sale - Save 5%
$ 106.99

This product was last offered at the strikethrough price on
06-25-2026

$ 101.41 USD
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Genuine BMW Coolant Hose -
This item fits the following BMW Chassis:
E89 Z4

Fits BMW Engines including:
N20

Genuine BMW Radiator - Automatic - BMW E82 E88 E9x N54 N55
Genuine BMW Radiator - Automatic - BMW E82 E88 E9x N54 N55
For Automatic Transmissions Only
Genuine BMW - Corporate Logo
T#:37453547
Part#: 17117788903
Ships in 3 Business Days
Sale - Save 8% $ 475.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 440.09 USD
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Sale - Save 8%
$ 475.99

This product was last offered at the strikethrough price on
06-15-2026

$ 440.09 USD
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Eventually, you are going to replace the radiator in your vehicle. The joints where the cores meet the end tanks tend to get weak, crack or split and cause a leak. Impacts to the fins can cause cracks and punctures. Corrosion and clogging from the inside can make cooling less than effective and compromise coolant flow. Replacing your leaking unit with a genuine BMW OEM replacement restores flow and prevents overheating.
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Genuine BMW Engine Radiator - Manual
Genuine BMW Engine Radiator - Manual
Genuine BMW - Corporate Logo
T#:360751
Part#: 17117558480
In Stock
Sale - Save 9% $ 475.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 431.99 USD
Limited Qty Sale
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Sale - Save 9%
$ 475.99

This product was last offered at the strikethrough price on
06-15-2026

$ 431.99 USD
Limited Qty Sale
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