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BMW Cooling System Parts & Accessories for BMW 7 Series F02 (2009+)

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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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Engine Water Pump Gasket Kit

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T#:54317216

Part#: 359.200

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$ 12.99 USD

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This Elring water pump gasket set is the perfect solution for refreshing your BMW's cooling circuit during a water pump service or cooling system overhaul.

2 Pin Connector

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T#:33412932

Part#: 61132359999

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$ 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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Coolant Expansion Tank

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T#:53044121

Part#: 17137601948

Ships on Sep 2, 2026

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$ 62.04 USD

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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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$ 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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BMW Coolant Expansion Tank

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T#:38553896

Part#: 17137575578

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$ 73.99 USD

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Coolant Expansion Tank Keep your vehicle's cooling system functioning properly with the Coolant Expansion Tank, designed to safely contain and manage coolant expansion as engine temperatures rise. This durable tank helps regulate pressure and fluid levels, preventing overheating and protecting your engine components from damage. Key Features: OEM-Quality Construction – Built to meet or exceed factory standards for perfect fit and reliability. Long-Lasting Durability – Crafted from high-quality materials resistant to cracking, corrosion, and extreme heat. Pressure Regulation – Ensures balanced pressure and fluid levels for effective cooling system operation. Leak-Free Design – Seals securely to prevent coolant leaks and maintain optimal engine temperature. Simple Installation – Direct-fit replacement for a quick and easy upgrade. Replace your damaged or aging Coolant Expansion Tank to maintain optimal cooling performance and protect your engine from heat-related issues.

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Electric Water Pump

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T#:54959291

Part#: 313 220 0018

Ships on Oct 30, 2026

$ 96.99 USD

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This mechanical water pump from Meyle is engineered to maintain optimal engine temperatures by driving consistent, efficient coolant circulation.

Meyle Replacement Water Pump

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T#:5944166

Part#: 11518516205

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$ 131.99 USD

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The water pump in your vehicle keeps all that coolant flowing freely. If it begins to fail, overheating problems are inevitable. Don't take a chance on doing damage to engine internals by not replacing your water pump. This has been a common problem amongst most German vehicles. Water Pump failure can lead to your vehicle making an unnecessary trip to the repair shop. If your pump stops working, coolant temperatures rise rapidly and can overheat the engine, leading to head gasket or even piston ring failure. This is a great preventative maintenance item when doing any type of timing belt replacement. This is a common replacement around 60,000 miles.

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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 Expansion tank cap - E70, E71, F01, F02, F10, G80, G82 ...

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T#:40714795

Part#: 3142380005

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$ 9.99 USD

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Ensure your BMW's cooling system stays sealed and protected with this dependable Meyle expansion tank cap.

Auxiliary Water Pump

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T#:380532

Part#: 11517566335

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$ 247.99 USD

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Meyle Engine Coolant Thermostat - BMW FXX, GXX

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T#:52797701

Part#: 3282280016

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$ 47.99 USD

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This MEYLE thermostat ensures your engine stays at the perfect temperature for efficiency and power.

Meyle Coolant Pump Thermostat - 87 Degrees - BMW N47 N57

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T#:55497457

Part#: 3282280010

Ships on Nov 12, 2026

$ 35.99

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06-30-2026

$ 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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BMW Oil Cooler Gasket Set

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T#:15048422

Part#: 11428580681

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$ 11.99 USD

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Replace your oil cooler gaskets whenever you remove and reinstall your oil cooler!

BMW Expansion Tank Kit - 17137647283

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T#:46616005

Part#: EPK0151

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$ 100.99 USD

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Replace your damaged expansion tank to prevent coolant loss or potential overheating issues. his item fits the following BMW Chassis: F01,F02,F06,F10,F12,F13 Fits BMW Engines including: N54,N55,N57N

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Coolant Hose - Priced Each

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T#:590201

Part#: 11537580969

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$ 25.99 USD

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Coolant Expansion Tank Cap

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T#:379621

Part#: 17117639020

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$ 17.99 USD

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Quality aftermarket coolant expansion tank cap.

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

Meistersatz Temperature Sensor

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T#:379740

Part#: 13621433076

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$ 15.99 USD

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Monitors coolant / oil temperature

BMW 750 I,IX,Li 4.4TURBO 2008> AUX RADIATOR RADIATOR

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T#:591337

Part#: 17117576827

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Nissens replacement radiator for F01 F02 750

Coolant Hose

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T#:30828069

Part#: 17127619702

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$ 50.99 USD

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Your cooling system is crucial for maintaining your engine's health over the long haul. Upgrade to Uro's metal flange to replace damaged or worn coolant hoses and ensure lasting performance.

Rein Coolant Return Pipe - N62 N73

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T#:386411

Part#: 11511439976

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$ 14.99 USD

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This is the coolant return pipe on the back of the water pump on the N62 and N73 engines used in the E53 X5, E60 545/550, E63 645/650, E65 745/750, E70 X5, and F02 750. This pipe connects the water pump to the valley pan and it's a compression fitting (no o-rings). Whenever the water pump or valley pan are replaced this tube should also be replaced. This is one area where you don't want to go back and re-do your work because of a leaking fitting! In German, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the worldaEURtms finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

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Vent Hose

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T#:39295552

Part#: 17127576363

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$ 22.02 USD

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