BMW Cooling System Parts & Accessories for BMW 5 Series F10 (2011-2016)

BMW N54 N55 S55 Mosselman Thermostat Installation Kit

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T#:4799665

Part#: THERMINSTALLKT

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BMW N54 N55 S55 Mosselman Thermostat Installation Kit is designed to ensure a seamless installation of the Mosselman thermostat on BMW engines. This comprehensive kit from Turner Motorsport includes all necessary gaskets and components, guaranteeing a reliable and precise installation for optimal engine performance.

Complete Kit: Includes all essential gaskets and components required for a hassle-free thermostat installation.
Optimal Performance: Ensures proper installation of the Mosselman thermostat, leading to improved engine cooling efficiency and performance.
High-Quality Components: Gaskets and parts are manufactured to meet high standards of durability and reliability.
Precision Fit: Engineered to match OEM specifications, providing a perfect fit and reliable performance.
Ease of Installation: All necessary parts are included, simplifying the installation process and reducing the need for additional purchases.

Upgrade your BMW's cooling system with the Mosselman Thermostat Installation Kit from Turner Motorsport, ensuring a top-quality, reliable setup for your engine.

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Water Pump And Thermostat Kit - N20

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T#:554053

Part#: 11517604027KT1

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The N20/n26 engined cars already suffer from reduced cooling area because of the factory intercooler, tight space under the hood, and of course heat from the turbo(s). BMW addressed these challenges a number of ways, including a dynamic, 'smart' electric water pump with increased output compared to normally aspirated models. The cooling demands mean additional stress on the major cooling components, especially the water pump and thermostat.

Kit includes:

Mahle-Behr thermostat
Pierburg water pump
Genuine BMW coolant
Mounting hardware required for both the thermostat and water pump

This item fits the following BMWs:
2014+ F22 BMW 228i 228i xDrive
2014+ F23 BMW 228i 228i xDrive
2012+ F30 BMW 328i 328i xDrive - Sedan
2013+ F31 BMW 328i xDrive - Wagon
2013+ F32 BMW 428i 428i xDrive - Coupe
2013+ F33 BMW 428i Convertible 428i xDrive Convertible - Convertible
2014+ F34 BMW 328i xDrive GT - Gran Tourismo
2014+ F36 BMW 428i Gran Coupe 428i xDrive Gran Coupe
2012+ F10 BMW 528i 528i xDrive
2011+ F25 BMW X3 xDrive28i
2015+ F26 BMW X4 xDrive28i
2009+ E89 BMW Z4 sDrive28i

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Thermostat Replacement Kit - E82 E9X E84 E70 E71 With N55 Engines ...

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T#:554075

Part#: 11537601158KT2

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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.

Kit includes

Wahler Thermostat
1 liter of Coolant

This item fits the following BMWs:
2008-2013  E82 BMW  135i 135is 1M Coupe
2013+  E84 BMW  X1 xDrive35i
2011  E90 BMW  335i 335xi 335i xDrive - Sedan
2011-2013  E92 BMW  335i 335xi 335i xDrive - Coupe
2011-2013  E93 BMW  335i Convertible
2011-2013  E70 BMW  X5 xDrive35i
2011-2013  E71 BMW  X6 xDrive35i

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Thermostat Replacement kit - 90C

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T#:15744051

Part#: 82142209769KT

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Pierburg Full Aluminum Water Pump With Hardware

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T#:6091465

Part#: 11515A05704APKT

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$ 526.79 USD

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If your water pump is starting to fail, you may notice coolant leaks, or even hear a whining noise coming from under the hood. If you think your water pump is starting to fail, replace it as soon as you can. The main downside to an electric water pump is you may also notice nothing - nothing but overheating! Keep your eyes peeled for warning signs it may be time to replace your water pump. N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. Comes with electric water pump and installation hardware. Aluminum mounting bolts are one time use. Replace every time the water pump is removed.

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Water Pump And Thermostat Kit - E70 E71 F01 F02 F06 F07 F10 F12 F13 ...

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T#:554065

Part#: 11517548263KT3

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$ 269.01 USD

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The water pumps in BMW's should be serviced near 80,000 miles and may become an issue often times leaving the owner stranded. The aftermarket kit offered provides a single stop for water pump and thermostat replacement needs to save the search and get you back on the road.

Kit includes:

Thermostat
Water pump
Coolant

This item fits the following BMW Engines:
N63,N63N,S63,N62N

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OEM Style Hose Clamps

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T#:338927

Part#: HOSE-CLAMPS

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Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.

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Thermostat Installation Kit with Thermostat - N54, N55, S55

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T#:55353595

Part#: OTN54.T85KT3

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$ 390.23 USD

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High oil temperatures are the ultimate enemy of your engine's longevity and performance. If you want to keep pushing your BMW to the limit you need to manage the heat.

Thermostat & Water Pump Replacement Kit - BMW N57 3.0L

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T#:30397455

Part#: 11518516205KT2

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Regular maintenance of your BMW's cooling system is crucial, with the water pump being a known weak point across all models. To ensure optimal performance, it's recommended to service the water pump every 60,000 miles and replace the thermostat simultaneously. Turner Motorsport makes this process seamless with our comprehensive Water Pump & Thermostat Replacement Kit.

Why Choose Our Kit?

Convenience: All essential parts are bundled in one kit. Quality: Components from trusted brands like MAHLE and Graf. Reliability: High-quality parts ensure a perfect fit and long-lasting performance. Value: Save time and money with our complete kit. Kit Contents:

MAHLE Thermostat (Part #: 11518512234) Graf Water Pump Assembly (Part #: 11518516205) Genuine BMW Thermostat Gasket (Part #: 11518516207) Genuine BMW Bolt (Part #: 11518512449) Genuine BMW Bolt (M6x30) (Part #: 07119906123) Genuine BMW Coolant/Antifreeze (Concentrate, 1 Gallon) (Part #: 82141467704) Ready for a Cooling System Overhaul?

Opt for Turner Motorsport's Water Pump & Thermostat Replacement Kit for a hassle-free, effective repair that keeps your BMW running cool and smooth.

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Performance Thermostat - 90C - N62, N63, S63, N73, S55

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T#:637061

Part#: 11537586885

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Includes housing and sealing o-ring A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also helping to increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.

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ECS Tuning Aluminum Coolant Bleeder Screw

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T#:363070

Part#: 003530ECS01A

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Replace the flimsy plastic bleeder screw used in the coolant expansion tank or in one of the cooling system hoses with this high quality, durable, aluminum bleeder screw. The stock plastic screw can deform over time due to heat or even regular use. We have even seen the head of the screw snap off, leaving the threaded body stuck in the expansion tank. This aluminum screw will help to prevent sudden failure of the bleeder screw, which can result in immediate overheating of the car.

ECS Tuning's Aluminum Coolant Bleeder Screw replaces Genuine BMW Part Number 17111712788

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ECS Billet Cylinder Head Outlet Hose Adapter - BMW N52 N54 N55 3.0L N...

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T#:556105

Part#: 024797ECS01

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Some of the biggest issues when owning a BMW can come from cooling system components. Even through years of improvement, the same failure is seen with the plastic fittings and adapters from years of hot to cold temperature fluctuation. The N52/N54/N55/N20 engine sees failure at the plastic cylinder head outlet adapter connecting the cylinder head to the thermostat hose. The stock plastic adapter simply shears off at the end of the barbed fitting, creating a massive coolant leak. The engineering team at ECS Tuning decided a billet aluminum piece was a much better option to contend with the temperature fluctuation. Since other offerings on the market want you to modify your OE hose to be reused, they even developed a silicone replacement hose. These 2 pieces can be purchased separately if you decide to reuse your existing OE hose or in a package kit together for a single click upgrade. Features: Manufactured from billet 6061-T6 with type III anodized for exceptional durability and corrosion resistance. Much stronger part than OEM plastic Will not become brittle and fatigued over time due to thermal cycling. This will prevent the part from breaking during removal and re-installation. Follows OEM form for perfect fitment. Utilizes (and includes) OEM O-ring 11537545278 to ensure a proper seal. Recommended clamp size is 25-40mm

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Rein Aluminum Coolant Hose Flange - E82, E88, E90, E91, E92, E93 ...

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T#:593535

Part#: CHC0609

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Made from high-strength aluminum vs the OEM plastic prone to failure.

Schwaben Coolant Refill/Air Purge Tool

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T#:362940

Part#: 003466SCH01

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When it comes to BMW's we all know the weak point is commonly in the cooling system, many models proving hard to bleed the air pockets out after the refresh. The coolant refill tool solves this problem, ensuring that you get an air pocket free fill. The entire task is as simple as draining the system like normal, reinstalling the drain plugs and hooking the tool up to your refill location. The reason this tool works so well is due to the venturi valve, it converts air pressure from the compressor to vacuum inside the cooling system, then with a twist of a valve sucks coolant right into the system using the vacuum pressure.

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Bav Auto Water Pump - BMW N54 N55

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T#:637476

Part#: 11517632426

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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 Bav Auto unit. Replacement for BMW part # 11517632426 and 11517563659. 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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Coolant Vacuum Purge & Refill Tool Set

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T#:402498

Part#: 024948SCH01A

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The Schwaben Coolant Vacuum Fill Tool ensures no air pockets get into your cooling system while you're replacing your coolant - intended for use to refill your cooling system, not for removal. Can be used with Schwaben fluid extractors or with shop air - standard air compressor with a minimum rating of 90 PSI (6.2 bar). Includes all fittings and adapters necessary for use, with a molded storage case to keep your Schwaben Vacuum Fill Tool pristine for future use.

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Thermostat With Aluminum Housing - N20

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T#:30828065

Part#: 11538635689M

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Bav Auto Spill-Proof Coolant / Antifreeze Funnel

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T#:580395

Part#: B8800082

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Multiple adapters include to fit a variety of vehicles.

VTT Billet Coolant Reservoir Cap - Anodized Blue - Most BMWs 2006+ (E...

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T#:7530036

Part#: COOLANTCAPBLUE

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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit

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BMW N20 2.0L Thermostat With Housing

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T#:18003828

Part#: 11538635689

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$ 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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Bav Auto Fan Clutch Wrench - 32mm

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T#:580348

Part#: B8800019

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Used to remove your fan clutch

Schwaben Locking Hose Clamp Pliers

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T#:377131

Part#: 004170SCH01A

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These pliers feature a spring loaded clamp with a 24" cable and will lock onto the clamp and hold open for easy removal. These pliers are designed to remove metal or plastic self-tightening hose clamps with diameters from 11/16" to 2-1/2" ( 18 to 54mm).

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Radiator / Cooling System Pressure Tester- Bavarian Autosport ...

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T#:580397

Part#: B8800084

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VTT Billet Coolant Reservoir Cap - Anodized Red - Most BMWs 2006+ (E/...

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T#:7530034

Part#: COOLANTCAPRED

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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit

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ECS Performance Coolant Outlet Hose Kit - E84 F10 F15 F25 F26 F22/23 ...

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T#:599850

Part#: 004520LA01

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The perfect upgrade for your connection between your thermostat and cylinder head. Designed using durable silicone and billet aluminum to greatly outlast the OE rubber and plastic combination. Some of the weakest points of the cooling systems in BMW's can come down to the OE plastic fittings breaking down from the constant changes in temperature, softening these plastic components. When this happens, even simply moving the hose slightly could cause the fitting to crack, causing the coolant to leak all over. The ECS design silicone hose with billet aluminum adapter retains OE fitment with superior strength to not only handle the performance, but also stand up to the wear and tear of a daily driver. Features: Manufactured from billet 6061-T6 and type III anodized for exceptional durability and corrosion resistance. Much stronger part than OEM plastic Will not become brittle and fatigue over time due to thermal cycling. This will prevent the part from breaking during removal and re-installation. Constructed of 4-Ply reinforced silicone for improved durability over the failure-prone OE rubber hose. Flourosilicone lined internal layer for exceptional chemical resistance. Silicone offers reduced thermal conductivity as well as improved resistance to ozone and UV degradation for improved performance and durability. Follows OEM form for perfect fitment. Utilizes OEM O-ring 11537545278 to ensure a proper seal. Replaces Genuine BMW Part Number: 11537603514

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Bremmen Parts Upper radiator hose - F06, F07, F10, F12, F13

For LCI vehicles with automatic transmission

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T#:1195936

Part#: 17127580957

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$ 51.40 USD

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From radiator to filter housing

ECS Performance Silicone Turbo Charger Coolant Hose Kit - S63 ...

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T#:7355613

Part#: 008648LA01

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Designed using durable silicone and billet aluminum to greatly outlast the OE rubber and plastic combination.

70-78mm - T-Bolt Hose Clamp - Priced each

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T#:380416

Part#: 003402ECS07A-03

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Ensure a tight and leak-free seal in your BMW's cooling, vacuum, or intake systems by installing a new adjustable hose clamp. Over time, clamps can deform or lose their tightness due to aging or frequent removal, potentially causing leaks in your coolant or vacuum hoses. Avoid the risk of leaks by replacing old clamps with new hardware, offering peace of mind against coolant and vacuum system issues.

Key benefits of the adjustable hose clamp include:

Maintaining a secure and leak-free seal in your BMW's systems.
Preventing coolant or vacuum leaks that can affect performance.
Adjustable size from 70mm to 78mm for versatile applications.

Upgrade your hose clamps to ensure optimal performance and reliability in your BMW's systems.

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Radiator Pressure Tester Kit

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T#:391482

Part#: 014710SCH01A

Ships on Jul 30, 2026

Sale - Save 25% $ 205.99

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$ 154.49 USD

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Are you refreshing your coolant system or having issues with coolant loss? An easy way to test your system for leaks and ensure you're able to maintain pressure without coolant loss is the Schwaben Cooling System Pressure Tester Kit.

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BMW N20 2.0L Turbo Supply Cooling Line

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T#:17704760

Part#: 11538663516

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$ 37.59 USD

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BMW N20 2.0L Turbo Supply Cooling Line is a crucial component designed to ensure optimal cooling for the turbocharger in BMW vehicles equipped with the N20 2.0L turbo engine. This high-quality cooling line maintains proper coolant flow to the turbo, preventing overheating and ensuring reliable performance.

Optimal Cooling: Effectively cools the turbocharger to prevent overheating and maintain performance.
Durable Construction: Built with high-quality materials for long-lasting reliability.
Precise Fitment: Designed specifically for BMW N20 2.0L turbo engines.
Enhanced Performance: Helps in sustaining the turbo's efficiency and longevity.
Easy Installation: Direct replacement part for a hassle-free installation.

Maintain the efficiency and longevity of your BMW’s turbocharger with this essential cooling line, designed for superior performance and durability.

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OEM Rein Coolant Hose - F07/10 F22/3 F3X N20

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T#:402116

Part#: 11538645481

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$ 22.79 USD

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Years of use and heat exposure can wear out the hoses on your car. To prevent leaks, you should periodically replace hoses as part of your regular maintenance routine.

Water Pump - N20 N26

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T#:29666093

Part#: 11518635089

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$ 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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Rein Turbocharger Coolant Return Line - BMW F10 F06/12/13 S63 4.4L En...

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T#:39059269

Part#: 11538092641

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06-29-2026

$ 68.18 USD

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Replace your leaking turbo coolant line to prevent further leaks, coolant loss, and overheating.

Genuine BMW Turbo Coolant Return Line - N20 F22/23 F3X F10 F25/26 F15...

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T#:15180793

Part#: 11538853293

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Sale - Save 6% $ 132.99

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$ 125.45 USD

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Replace your leaking coolant pipe to prevent further leaks and potentially catastrophic failure. Fits the following BMWs: F22/23 F3X F10 F25/26 F15/16 Fits the following engines: N20/26

VTT Billet Coolant Reservoir Cap - Anodized Clear - Most BMWs 2006+ (...

This coolant cap retains ALL of the factory provisions by simply allowing you to snap t...

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T#:7530035

Part#: COOLANTCAPRAW

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07-02-2026

$ 67.14 USD

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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit

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OEM Rein Lower Coolant Hose - N63 4.4L

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T#:554681

Part#: 17127575427

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Sale - Save 5% $ 51.99

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$ 49.39 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Fits the following engines:
N63 4.4L

Schwaben Locking Hose Pinch-Off Pliers

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T#:379950

Part#: 009787SCH01A

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$ 33.99 USD

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Schwaben Locking Hose Pinch-Off Pliers have adequate clamping force to effectively seal large or pressurized cooling system hoses. These pliers are ideal for clamping shut most hoses, ensuring reliability in your automotive tasks. With swivel jaws, they provide even clamping force, making them a versatile tool for various applications.

Adequate clamping force for large or pressurized hoses
Ideal for clamping shut most hoses
Swivel jaws ensure even clamping force
Versatile tool for automotive maintenance

WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. For more information, visit http://www.p65warnings.ca.gov.

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Upper Radiator Coolant Hose

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T#:594378

Part#: 17127619684

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06-29-2026

$ 58.89 USD

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Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded. Replace it at the first sign of wear to keep your coolant in your engine.

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Rein Water Hose With Gasket - Water Pump To Engine Inlet

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T#:17804808

Part#: 11537584630R

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$ 38.94 USD

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Rein OE quality water hoses are designed to be direct replacements for OE hoses and assemblies. This includes the hose and clamps.

Rein - Return Hose

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T#:17771593

Part#: 11537615492

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$ 43.69 USD

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Replace leaking or faulty hoses with Rein premium hoses to restore your vehicle to safe and optimal performance levels.

OEM Rein Vent Hose - N63 4.4L

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T#:554680

Part#: 17127576363

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$ 25.64 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Fits the following engines:
N63 4.4L

Low Temperature Thermostat - 97C

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T#:33612900

Part#: 11537601159-97C

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$ 85.67 USD

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Bav Auto Angled Hose Pinch Plier Set - 2pc

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T#:580379

Part#: B8800058

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$ 24.74 USD

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Angled jaws close, creating a complete seal every time you use them - the jaws are offset, making it possible to use in hard-to-reach locations. Made of glass-filled nylon for extra strength. These are perfect for use with brake lines, etc.

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OEM Rein Expansion Tank - F01,F06,F10,F12,F13

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T#:555024

Part#: 17137647283

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$ 113.04 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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Rein Coolant Hose - Lower - F01, F02, F06, F07, F10, F12

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T#:592014

Part#: 17127600836

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$ 45.59 USD

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Lower radiator hose connected to secondary radiator

Coolant Hose - Priced Each

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T#:594295

Part#: 11537580969

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03-23-2026

$ 24.61 USD

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Comes off the coolant pump. Replacement from Rein.

Radiator Hose - Metal Flange

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T#:4826911

Part#: 17127619702

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$ 35.14 USD

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Cylinder Head Coolant Hose to keep your motor healthy for many miles ahead. Replace damaged or worn coolant hose with upgraded metal flange from Rein.