BMW Cooling System Parts & Accessories for BMW 6 Series F13 (2012+)

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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 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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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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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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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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Turner Motorsport - Corporate Logo
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.

Performance Thermostat - 90C - N62, N63, S63, N73, S55
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Bremmen Parts - Corporate Logo
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 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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Schwaben Coolant Refill/Air Purge Tool
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Schwaben - Corporate Logo
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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Bavarian Autosport - Corporate Logo
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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Schwaben - Corporate Logo
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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Bav Auto Spill-Proof Coolant / Antifreeze Funnel
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Bav Auto Tools - Corporate Logo
T#:580395
Part#: B8800082
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Multiple adapters include to fit a variety of vehicles.


Bav Auto Fan Clutch Wrench - 32mm
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Bav Auto Tools - Corporate Logo
T#:580348
Part#: B8800019
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Used to remove your fan clutch
Radiator / Cooling System Pressure Tester- Bavarian Autosport ...
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Bav Auto Tools - Corporate Logo
T#:580397
Part#: B8800084
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Schwaben Locking Hose Clamp Pliers
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Schwaben - Corporate Logo
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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Bremmen Parts Upper radiator hose - F06, F07, F10, F12, F13
For vehicles with High speed synchronization
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Bremmen Parts - Corporate Logo
T#:1195936
Part#: 17127580957
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From radiator to filter housing

70-78mm - T-Bolt Hose Clamp - Priced each
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ECS - Corporate Logo
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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Schwaben - Corporate Logo
T#:391482
Part#: 014710SCH01A
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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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Genuine BMW Auxillary Water Pump - BMW N63 S63
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Genuine BMW - Corporate Logo
T#:3672383
Part#: 11515A36581
In Stock
10% off MSRP $ 155.99

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$ 140.99 USD
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Genuine BMW electric coolant pump for the turbocharger cooling circuit.
ECS Performance Silicone Turbo Charger Coolant Hose Kit - S63 ...
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ECS - Corporate Logo
T#:7355613
Part#: 008648LA01
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Designed using durable silicone and billet aluminum to greatly outlast the OE rubber and plastic combination.

Rein Turbocharger Coolant Return Line - BMW F10 F06/12/13 S63 4.4L En...
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Rein - Corporate Logo
T#:39059269
Part#: 11538092641
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Replace your leaking turbo coolant line to prevent further leaks, coolant loss, and overheating.

OEM Rein Lower Coolant Hose - N63 4.4L
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T#:554681
Part#: 17127575427
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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

Rein Water Hose With Gasket - Water Pump To Engine Inlet
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Rein - Corporate Logo
T#:17804808
Part#: 11537584630R
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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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Rein - Corporate Logo
T#:17771593
Part#: 11537615492
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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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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Fits the following engines:
N63 4.4L

Connecting Line - F06, F10, F12, F13
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Genuine BMW - Corporate Logo
T#:181006
Part#: 11537843273
Ships in 3 Business Days
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$ 124.99

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$ 118.99 USD
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Genuine BMW Connecting Line -
This item fits the following BMW Chassis:
F06,F10,F12,F13

Fits BMW Engines including:
S63N

Bav Auto Angled Hose Pinch Plier Set - 2pc
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Bav Auto Tools - Corporate Logo
T#:580379
Part#: B8800058
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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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Low Temperature Thermostat - 97C
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Bremmen Parts - Corporate Logo
T#:33612900
Part#: 11537601159-97C
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OEM Rein Expansion Tank - F01,F06,F10,F12,F13
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Rein - Corporate Logo
T#:555024
Part#: 17137647283
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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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OEM Rein Expansion Tank Hose - F07 F10 F12 F13 N63 4.4L
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Rein - Corporate Logo
T#:554679
Part#: 17127592645
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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Fits the following BMW Chassis:
F07, F10, F12, F13,

Fits the following engines:
N63 4.4L

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Coolant Hose - Priced Each
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Rein - Corporate Logo
T#:38195382
Part#: 17127592646
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Water Hose - Water Pump To Expansion Tank
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Rein - Corporate Logo
T#:594311
Part#: 17127575453
In Stock at Vendor
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This product was last offered at the strikethrough price on
05-07-2026

$ 62.24 USD
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$ 67.99

This product was last offered at the strikethrough price on
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$ 62.24 USD
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Replacement water hose from Rein

Radiator Hose - Metal Flange
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Rein - Corporate Logo
T#:4826911
Part#: 17127619702
Ships in 4 Business Days
Sale - Save 5% $ 36.99

This product was last offered at the strikethrough price on
06-29-2026

$ 35.14 USD
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$ 36.99

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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.

COOLANT HOSE
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Rein - Corporate Logo
T#:591352
Part#: 17127592651
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Sale - Save 5% $ 29.99

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06-29-2026

$ 28.49 USD
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$ 29.99

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Rein BMW Coolant Hose -
This item fits the following BMW Chassis:
F06,F10,F12,F13

Fits BMW Engines including:
N52N,N63,N63N

Expansion Tank
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Rein - Corporate Logo
T#:593074
Part#: 17137601948
Back Ordered
Sale - Save 5% $ 118.99

This product was last offered at the strikethrough price on
06-29-2026

$ 113.04 USD
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$ 118.99

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$ 113.04 USD
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Cooling system expansion tank
Schwaben Locking Hose Pinch-Off Pliers
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Schwaben - Corporate Logo
T#:379950
Part#: 009787SCH01A
In Stock
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This product was last offered at the strikethrough price on
05-02-2026

$ 33.99 USD
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$ 39.99

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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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Rein Water Pump - N63 S63
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Rein - Corporate Logo
T#:393385
Part#: 11517548263
Back Ordered
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This product was last offered at the strikethrough price on
06-29-2026

$ 205.19 USD
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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. Replace your water pump with Rein to get your cooling system back in check.
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60-80mm 1/2"/12mm Band Hose Clamp
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ECS - Corporate Logo
T#:377836
Part#: 003402ECS05A-10
In Stock
Sale - Save 25% $ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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$ 6.99

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$ 5.24 USD
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ECS Tuning Stainless Steel Hose Clamps for BMW

Upgrade your BMW's hose clamps with ECS Tuning Stainless Steel Hose Clamps, designed for convenience and durability. Say goodbye to long waits and overpriced dealership clamps. With various band widths available, these stainless steel clamps ensure a secure fit for your vehicle's hoses.

Benefits:

  • Convenient replacement for worn-out hose clamps
  • Made of durable stainless steel for long-lasting performance
  • Available in various band widths for versatile use
  • Affordable alternative to dealership pricing
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77-85mm - 3/4" Band Hose Clamp
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ECS - Corporate Logo
T#:377877
Part#: 003402ECS07A-05
In Stock
Sale - Save 25% $ 25.99

This product was last offered at the strikethrough price on
06-13-2026

$ 19.49 USD
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$ 25.99

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06-13-2026

$ 19.49 USD
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Upgrade your BMW's hose clamps with the 77-85mm - 3/4" Band Hose Clamp from Turner Motorsport. These full 304 stainless steel clamps offer convenience and quality without the dealership price tag. German-style T-bolts allow for easy adjustment to your required diameter, ensuring a secure fit every time.

  • Made of durable 304 stainless steel for long-lasting performance
  • German-style T-bolt design for easy size adjustment
  • Convenient band widths for versatile applications
  • Quality alternative to dealership pricing
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Meyle Expansion Tank Cap
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Meyle - Corporate Logo
T#:579357
Part#: 3148009004
In Stock
Sale - Save 40% $ 14.99

This product was last offered at the strikethrough price on
05-15-2026

$ 8.99 USD
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$ 14.99

This product was last offered at the strikethrough price on
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$ 8.99 USD
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Replace worn or missing pieces.

Band Hose Clamp | 12-20mm 3/8"/9mm
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ECS - Corporate Logo
T#:304266
Part#: 003402ECS06A-03
In Stock
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This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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$ 4.99

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$ 3.74 USD
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Secure hoses in your BMW effortlessly with the ECS 3/8" / 9mm Band Hose Clamp (12-20mm). Specifically designed for BMW models, this clamp ensures a snug fit and reliable hold for hoses measuring between 12mm to 20mm. Crafted with durable materials, these clamps provide exceptional resistance against leaks and are ideal for various automotive applications. Upgrade your BMW's hose security with these reliable ECS hose clamps.
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Intercooler Expansion Tank
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Rein - Corporate Logo
T#:584477
Part#: 17137647281
Ships in 4 Business Days
Sale - Save 5% $ 71.99

This product was last offered at the strikethrough price on
06-29-2026

$ 68.39 USD
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$ 71.99

This product was last offered at the strikethrough price on
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40-60mm 3/8"/9mm Band Hose Clamp
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ECS - Corporate Logo
T#:341280
Part#: 003402ECS06A-08
In Stock
Sale - Save 25% $ 3.99

This product was last offered at the strikethrough price on
06-13-2026

$ 2.99 USD
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$ 3.99

This product was last offered at the strikethrough price on
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$ 2.99 USD
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ECS Tuning 304 Stainless Steel Hose Clamps

Revolutionize your car maintenance with ECS Tuning's premium 304 stainless steel hose clamps. Eliminate dealership delays and inflated prices! These German-style clamps utilize T-bolts for hassle-free diameter adjustment. With various band widths available, these durable clamps ensure reliability without the hefty cost. Experience dealership-quality products at affordable rates, exclusively at ECS Tuning.

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Bracket Additional Water Pump - F01, F02, F06, F07, F10, F12, F13 ...
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Genuine BMW - Corporate Logo
T#:46043
Part#: 17117603070
In Stock
Sale - Save 27% $ 59.99

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

$ 43.54 USD
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$ 59.99

This product was last offered at the strikethrough price on
05-02-2026

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Genuine BMW Bracket Additional Water Pump -
This item fits the following BMW Chassis:
F01,F02,F06,F10,F12,F13

Fits BMW Engines including:
N63,N63N,S63N

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Rein Expansion Tank Cap
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Rein - Corporate Logo
T#:384807
Part#: 17117639021
Ships in 4 Business Days
Sale - Save 5% $ 16.99

This product was last offered at the strikethrough price on
06-29-2026

$ 16.14 USD
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$ 16.99

This product was last offered at the strikethrough price on
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Cap for plastic expansion tank

Bremmen Parts O-Ring
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Bremmen Parts - Corporate Logo
T#:399143
Part#: 11537545278
In Stock
Sale - Save 20% $ 5.09

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

$ 4.07 USD
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$ 5.09

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

$ 4.07 USD
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Seals your cooling system
Coolant Expansion Tank Cap
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Bremmen Parts - Corporate Logo
T#:36032339
Part#: 17117639020
In Stock
Sale - Save 20% $ 14.99

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05-03-2026

$ 11.99 USD
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$ 14.99

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Schwaben Radiator/ Intercooler Fin Comb
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Schwaben - Corporate Logo
T#:384260
Part#: 015326SCH01A
In Stock
Sale - Save 29% $ 20.99

This product was last offered at the strikethrough price on
05-02-2026

$ 14.99 USD
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$ 20.99

This product was last offered at the strikethrough price on
05-02-2026

$ 14.99 USD
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Straighten bent fins in heat exchangers like radiators, condensers, and intercoolers obstruct air flow and reduce heat transfer. Paper-thin fins are easily bent, even by slight pressure.


1/2"/12mm Band Hose Clamp - 25-40mm - Priced Each
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ECS - Corporate Logo
T#:385425
Part#: 003402ECS05A-06
In Stock
Sale - Save 25% $ 4.99

This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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Sale - Save 25%
$ 4.99

This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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Upgrade Your BMW Maintenance with Stainless Steel Hose Clamps from ECS Tuning

ECS Tuning introduces premium full stainless steel hose clamps, offering superior quality and convenience for your BMW maintenance. Avoid dealership delays and overpricing by choosing from a selection of band widths, ensuring you receive top-quality hose clamps without overpaying.

Key Benefits:

  • Premium full stainless steel hose clamps
  • Various band widths for enhanced convenience
  • High-quality alternative to dealership pricing
  • Readily available stock eliminates waiting time
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Coolant Hose - Priced Each
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Rein - Corporate Logo
T#:594295
Part#: 11537580969
In Stock
Sale - Save 20% $ 25.03

This product was last offered at the strikethrough price on
03-23-2026

$ 19.94 USD
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$ 25.03

This product was last offered at the strikethrough price on
03-23-2026

$ 19.94 USD
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Comes off the coolant pump. Replacement from Rein.