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BMW Cooling System Parts & Accessories for BMW X Series F25 (2011+)

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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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Thermostat Housing

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T#:15511821

Part#: 11537586784

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$ 77.59 USD

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If your vehicle is experiencing cooling issues, chances are the thermostat is the cause. Common symptoms include prolonged warm-up at highway speeds from the thermostat being stuck open, or consistent overheating issues from the thermostat being stuck in the closed position. Either condition can result in poor performance, and potential damage to vital components in your vehicle.

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2 Pin Connector

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T#:33412932

Part#: 61132359999

Ships on Jul 28, 2026

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06-14-2026

$ 8.24 USD

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Includes connector housing with terminals and seals. Commonly used for the coolant level sensor.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 61132359999 - Commonly used for the coolant level sensor.

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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Bav Auto Temperature Sensor - BMW E39 E46 E9X E60 F01/02

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T#:639833

Part#: 13621433076

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05-03-2026

$ 11.99 USD

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This is the coolant temperature sensor used in many BMW models from the late-1990s to the mid-2010s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer. This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Febi Electric Water Pump - BMW F10 F25 N52 3.0L

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T#:36303287

Part#: 11517583836

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$ 1,124.99 USD

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This water pump is designed to provide reliable and efficient cooling for your BMW's engine. This high-quality electric coolant pump is specifically engineered for the F10 and F25 models, ensuring optimal performance and longevity. As a genuine OEM part, it guarantees perfect compatibility with your BMW, offering seamless integration and superior functionality. Key Benefits: OEM part ensures precise fit and reliable performance. Enhances engine cooling efficiency, preventing overheating. Specifically designed for BMW F10 and F25 models. Manufactured with high-quality materials for durability and longevity. Easy installation for a hassle-free replacement process.

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GEBA Electric Water Pump - BMW F10 F25 N52 3.0L

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T#:36303286

Part#: 11517583836

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$ 343.99 USD

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This water pump is designed to provide reliable and efficient cooling for your BMW's engine. This high-quality electric coolant pump is specifically engineered for the F10 and F25 models, ensuring optimal performance and longevity. As a genuine OEM part, it guarantees perfect compatibility with your BMW, offering seamless integration and superior functionality. Key Benefits: OEM part ensures precise fit and reliable performance. Enhances engine cooling efficiency, preventing overheating. Specifically designed for BMW F10 and F25 models. Manufactured with high-quality materials for durability and longevity. Easy installation for a hassle-free replacement process.

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Meyle Coolant Pump Thermostat - 87 Degrees - BMW N47 N57

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T#:55497457

Part#: 3282280010

Ships on Nov 12, 2026

$ 35.99

This product was last offered at the strikethrough price on
06-30-2026

$ 16.99 USD

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$ 16.99 USD

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Keep your engine operating in its powerband and prevent performance-robbing heat soak with this replacement coolant thermostat from Meyle. A failing or sticky thermostat can ruin a track day or spirited drive, making a fresh, high-quality replacement essential for keeping your cooling system performing at its peak under heavy load. Engineered for crisp, reliable valve activation, it ensures your cooling system sheds heat efficiently when you are pushing your vehicle to its limits.

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Meyle Thermostat Housing - BMW E84, F10, F22, F26, F30, F31, F32, F33...

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T#:5704976

Part#: 11538635689

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$ 72.99 USD

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When it comes to your temperature gauge on your instrument cluster your thermostat plays a large role in where that temperature needle ends up. There are many cases where the vehicle will run a bit cool according to that gauge, oftentimes meaning the thermostat has failed and is stuck open allowing coolant to continuously circulate. The other more damaging side is when it closes shut and keeps the engine from cooling down properly. All vehicles are designed to operate in an ideal temperature range for the ultimate efficiency, life, and performance.

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Coolant Temperature Sensor

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T#:5886984

Part#: 13627823993

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$ 34.99 USD

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Part of the EGR cooling system. Located in the coolant line near the aux water pump.

Meyle Water Pump - Engine Cooling - BMW FXX

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T#:52621849

Part#: MWP0662

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$ 265.99 USD

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Maintain your BMW’s cooling efficiency with the Meyle MWP0662 Water Pump.

Coolant Expansion Tank Cap

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T#:379621

Part#: 17117639020

Ships in 3 Business Days

$ 17.99 USD

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Quality aftermarket coolant expansion tank cap.

OEM Rein Coolant Expansion Tank Overflow Hose - BMW F25 X3, F26 X4 N5...

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T#:45757476

Part#: 17128651298

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$ 31.99 USD

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This hose connects the expansion tank to the upper radiator hose. If your coolant expansion tank hose is cracked or leaking, replace it early to prevent further coolant loss and eventual overheating.

Febi Radiator Hose

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T#:38553906

Part#: 17127601855

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$ 45.99 USD

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Maintain efficient coolant flow and regulate engine temperature with the Radiator Hose - Engine to Radiator. This critical component connects your engine to the radiator, ensuring proper heat dissipation and preventing engine overheating. Crafted from durable materials, it's built to withstand high temperatures and pressures for reliable long-term performance. Key Features: OEM-Quality Construction – Designed to meet or exceed factory standards for a perfect fit and consistent performance. Heat-Resistant – Built to endure extreme temperatures and pressure within the engine’s cooling system. Durable & Long-Lasting – Manufactured from robust materials to resist cracking, wear, and degradation over time. Leak-Proof – Seals securely to prevent coolant leaks, ensuring optimal engine temperature management. Easy Installation – Direct-fit replacement with no modifications needed for quick and efficient installation. Replace your Radiator Hose - Engine to Radiator to maintain your cooling system’s efficiency and safeguard your engine from overheating.

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Coolant Expansion Tank

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T#:17538753

Part#: 17138616418

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$ 68.99

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05-07-2026

$ 66.99 USD

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Meistersatz Temperature Sensor

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T#:379740

Part#: 13621433076

Ships in 3 Business Days

$ 15.99 USD

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Monitors coolant / oil temperature

URO Coolant Pipe O-Ring - BMW N52 3.0L

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T#:37892133

Part#: 11517514942

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$ 2.09 USD

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URO Coolant Pipe O-Ring - BMW N52 3.0L

Engineered to meet OE coolant pipe o-ring dimensions, the URO Coolant Pipe O-Ring ensures easy installation and a perfect fit for BMW N52 3.0L engines. It is designed to resist cooling system heat and antifreeze, providing reliable performance under demanding conditions. Constructed from durable ECD (Electro Chemical Degradation)-resistant EPDM material, it helps prevent electrolysis, extending the lifespan of your cooling system. With a temperature rating of -40º F to 275º F (-40º C to 135º C), this o-ring is built to withstand extreme temperatures. Supported by a 24-month unlimited mileage warranty, it is a dependable solution for maintaining your BMW’s cooling system efficiency.

Key Benefits:

Precision-molded to OE dimensions for easy installation and perfect fit.
Resists cooling system heat and antifreeze for reliable performance.
Durable ECD-resistant EPDM material prevents electrolysis.
Temperature rating of -40º F to 275º F for extreme condition durability.
Includes a 24-month unlimited mileage warranty for peace of mind.
Specifically designed for BMW N52 3.0L engines.

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URO Cooling Hose - BMW F25 N20 2.0L

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T#:592949

Part#: 11537592095

Ships in 1 Business Day

$ 33.99 USD

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URO Cooling Hose - BMW F25 N20 2.0L

The URO Cooling Hose - BMW F25 N20 2.0L is a high-performance replacement part designed to keep your engine's cooling system functioning efficiently. This hose is specifically engineered for the BMW F25 with the N20 2.0L engine, offering a reliable solution to prevent coolant leaks and maintain optimal engine temperatures. Replacing a worn or damaged cooling hose ensures a consistent flow of coolant, improving engine performance and preventing overheating. Crafted from durable materials, this cooling hose guarantees long-lasting use, protecting critical engine components from damage.

Designed specifically for BMW F25 with N20 2.0L engine
Prevents coolant leaks and maintains optimal engine temperature
Ensures reliable coolant flow for improved engine performance
High-quality construction for long-lasting durability
Prevents engine overheating and protects critical components
Easy to install with a direct OE-style fit

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INA Water Pump for E60 , E71 and F10

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T#:36574507

Part#: 11517632426

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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

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