BMW Cooling System Parts & Accessories for BMW 7 Series F01 (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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Performance Thermostat - 90C - N62, N63, S63, N73, S55
Performance Thermostat - 90C - N62, N63, S63, N73, S55
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Bremmen Parts - Corporate Logo
T#:637061
Part#: 11537586885
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$ 75.06 USD
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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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Rein Aluminum Coolant Hose Flange - E82, E88, E90, E91, E92, E93
Rein Aluminum Coolant Hose Flange - E82, E88, E90, E91, E92, E93 ...
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Rein - Corporate Logo
T#:593535
Part#: CHC0609
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$ 36.06 USD
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$ 36.06 USD
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Made from high-strength aluminum vs the OEM plastic prone to failure.
OEM Rein Lower Coolant Hose - N63 4.4L
OEM Rein Lower Coolant Hose - N63 4.4L
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Rein - Corporate Logo
T#:554681
Part#: 17127575427
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$ 51.99 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

OEM Rein Vent Hose - N63 4.4L
OEM Rein Vent Hose - N63 4.4L
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Rein - Corporate Logo
T#:554680
Part#: 17127576363
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$ 26.99 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
Low Temperature Thermostat - 97C
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Bremmen Parts - Corporate Logo
T#:33612900
Part#: 11537601159-97C
Ships on Feb 1, 2027
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$ 85.67 USD
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Rein Coolant Hose - Lower - F01, F02, F06, F07, F10, F12
Rein Coolant Hose - Lower - F01, F02, F06, F07, F10, F12
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Rein - Corporate Logo
T#:592014
Part#: 17127600836
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Lower radiator hose connected to secondary radiator
Vaico Coolant Overflow Hose - Radiator to Expansion Tank - BMW F01 F02 N63 4.4L
Vaico Coolant Overflow Hose - Radiator to Expansion Tank - BMW F01 F0...
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Vaico - Corporate Logo
T#:595421
Part#: 17127575428
Ships in 1 Business Day
$ 143.99

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$ 80.99 USD
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Overflow hoses connect the radiator and the expansion tank to store overflow of coolant. As pressures in the cooling system increase due to coolant temperatures, a valve on the radiator cap permits coolant back into the reservoir to help ease the build-up of pressure and prevent coolant loss. If your hose is leaking or damaged, we recommend swapping it out with this replacement from Vaico.
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Rein - Return Hose
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.
Water Hose - Water Pump To Expansion Tank
Water Hose - Water Pump To Expansion Tank
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Rein - Corporate Logo
T#:594311
Part#: 17127575453
Ships in 3 Business Days
$ 67.99

This product was last offered at the strikethrough price on
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$ 38.99 USD
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$ 38.99 USD
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Replacement water hose from Rein
Coolant Supply Line - F01, F02, F07, F10
Coolant Supply Line - F01, F02, F07, F10
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Bremmen Parts - Corporate Logo
T#:22525963
Part#: 17127583175
Ships in 1-2 days
$ 92.99 USD
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Replace brittle and failed hoses! For 740i, 740Li, 535i and 535i X-Drive
Rein Water Pump - N63 S63
Rein Water Pump - N63 S63
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T#:393385
Part#: 11517548263
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$ 215.99 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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Expansion Tank
Expansion Tank
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Rein - Corporate Logo
T#:593074
Part#: 17137601948
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$ 118.99 USD
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Cooling system expansion tank
Rein Expansion Tank Cap
Rein Expansion Tank Cap
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Rein - Corporate Logo
T#:384807
Part#: 17117639021
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Cap for plastic expansion tank
Water Pump Blind Plug
Water Pump Blind Plug
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Rein - Corporate Logo
T#:594382
Part#: 11531439134
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$ 7.76 USD
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$ 7.76 USD
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Replacement Water Pump Blind Plug from Rein
Intercooler Expansion Tank
Intercooler Expansion Tank
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Rein - Corporate Logo
T#:584477
Part#: 17137647281
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$ 71.99 USD
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BMW Expansion Tank With Cap - 17137601948
BMW Expansion Tank With Cap - 17137601948
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Rein - Corporate Logo
T#:46616024
Part#: EPK0141
In Stock
$ 97.99

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06-01-2026

$ 87.99 USD
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$ 97.99

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The coolant expansion tank provides a reservoir for excess coolant as it expands and contracts with temperature fluctuations. Constant exposure to these extreme changes can eventually cause the tank to crack or fail.
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Coolant Expansion Tank Cap
Coolant Expansion Tank Cap
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Bremmen Parts - Corporate Logo
T#:36032339
Part#: 17117639020
In Stock
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This product was last offered at the strikethrough price on
09-17-2026

$ 11.99 USD
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Vaico Intercooler Coolant Hose - Auxiliary Water Pump to Expansion Tank - F01 F02 N63
Vaico Intercooler Coolant Hose - Auxiliary Water Pump to Expansion Ta...
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Vaico - Corporate Logo
T#:595431
Part#: 17127591512
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$ 185.99

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$ 179.99 USD
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Replacement coolant hose that connects the expansion tank to the auxiliary water pump. Replace your old hose to prevent coolant loss and overheating.
BMW Radiator Hose Kit - 17127575427
BMW Radiator Hose Kit - 17127575427
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Rein - Corporate Logo
T#:46719185
Part#: CHK0583
Ships in 3 Business Days
$ 69.99 USD
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$ 69.99 USD
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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.
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Rein Radiator Mount
Rein Radiator Mount
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Rein - Corporate Logo
T#:17804812
Part#: 17117575248
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$ 13.99 USD
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$ 13.99 USD
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Rein OE equivalent mounts are produced with high-quality materials to ensure maximum life and a smooth ride.
Water Pump
Water Pump
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Rein - Corporate Logo
T#:38161720
Part#: 11517632426
Ships in 3 Business Days
$ 782.99 USD
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$ 782.99 USD
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Module Bracket
Module Bracket
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Rein - Corporate Logo
T#:639804
Part#: 17117575247
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$ 20.99 USD
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$ 20.99 USD
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This is the left side radiator bracket.
Radiator Hose - Radiator To Thermostat Housing
Radiator Hose - Radiator To Thermostat Housing
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Rein - Corporate Logo
T#:594376
Part#: 17127610704
Ships in 3 Business Days
$ 31.99

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Replacement Radiator Hose - Radiator To Thermostat Housing from Rein
Rein- Coolant Hose F10 535i, F13 640i, F07 535i
Rein- Coolant Hose F10 535i, F13 640i, F07 535i
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Rein - Corporate Logo
T#:34080749
Part#: 17127580963
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Rein Coolant Hose is a premium replacement part designed for BMW models, ensuring efficient and reliable coolant flow throughout the engine’s cooling system. This hose is crucial for regulating engine temperature and preventing overheating, maintaining optimal performance in a wide range of driving conditions. Manufactured to meet or exceed OEM specifications, the Rein Coolant Hose offers a direct-fit solution for easy installation and long-lasting durability. Available through Turner Motorsport, this coolant hose is the ideal upgrade for BMW owners looking to maintain or improve their vehicle’s cooling system.

  • Specifically designed for BMW models to ensure perfect fit and compatibility
  • Regulates coolant flow to prevent engine overheating
  • Constructed from high-quality, heat-resistant materials for durability
  • Reduces the risk of leaks and cooling system failures
  • Direct-fit replacement
  • Meets OEM standards for reliable cooling system performance

Enhance your BMW’s cooling efficiency and engine reliability with the Rein Coolant Hose, providing the necessary protection against overheating and coolant system failure.

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Auxillary Water Pump - BMW N63 S63
Auxillary Water Pump - BMW N63 S63
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Rein - Corporate Logo
T#:58818960
Part#: 11515A36581
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Pumps coolant to the turbo
Rein Additional Water Pump - N63 F Chassis
Rein Additional Water Pump - N63 F Chassis
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Rein - Corporate Logo
T#:58782367
Part#: 64119230237
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Engineered as a direct replacement for failure prone original equipment secondary pumps, this electric water pump ensures steady hot fluid delivery to the heater core regardless of engine RPM. Built with high quality internal bearings, durable motor windings, and high grade composite housings, it withstands continuous thermal cycling and prevents internal electrical failures.
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Engine Coolant Expansion Tank Cap
Engine Coolant Expansion Tank Cap
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Rein - Corporate Logo
T#:59038367
Part#: 17135A1BD89
Ships in 3 Business Days
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$ 9.99 USD
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$ 9.99 USD
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Bremmen Intercooler Coolant Hose - Auxiliary Water Pump to Expansion Tank - F01 F02 N63
Bremmen Intercooler Coolant Hose - Auxiliary Water Pump to Expansion ...
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Bremmen Parts - Corporate Logo
T#:697879
Part#: 17127591512
Ships in 1-2 days
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Replacement coolant hose that connects the expansion tank to the auxiliary water pump. Replace your old hose to prevent coolant loss and overheating.
Radiator to Transmission Cooler Hose - F01 and F02 7 Series
Radiator to Transmission Cooler Hose - F01 and F02 7 Series
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Bremmen Parts - Corporate Logo
T#:22525964
Part#: 17227575387
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$ 54.41 USD
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Replace brittle or failing coolant hoses! For 760i, 750i, 750Li, and 750LiX.
Water Hose for Transmission Cooler Lower Fitting - F01 F02 7 Series
Water Hose for Transmission Cooler Lower Fitting - F01 F02 7 Series ...
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Bremmen Parts - Corporate Logo
T#:22525962
Part#: 17127575429
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Replace your failing coolant hoses! For 750i, 750Li, and 750LiX equipped with the N63 engine.
Thermostat - 105C
Thermostat - 105C
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Bremmen Parts - Corporate Logo
T#:15511827
Part#: 11537502779
Ships on Oct 28, 2026
$ 46.99

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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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Coolant Expansion Tank
Coolant Expansion Tank
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Bremmen Parts - Corporate Logo
T#:53044121
Part#: 17137601948
In Stock
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$ 67.49 USD
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BMW Expansion Tank Kit - 17137647283
BMW Expansion Tank Kit - 17137647283
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Rein - Corporate Logo
T#:46616005
Part#: EPK0151
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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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Vent Hose
Vent Hose
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Bremmen Parts - Corporate Logo
T#:39295552
Part#: 17127576363
Special Order: No Guaranteed ETA
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$ 22.02 USD
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