BMW Coolant & Radiator Hoses for BMW G01 X3 xDrive30i B46 2.0L

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We offer replacement hoses from several OE brands that we trust, along with performance silicone upgrades for those who want increased wear resistance compared to factory rubber.
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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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OEM Rein Aluminum Coolant Flange Connector - BMW & MINI B36 B46/B48 G...
For vehicles with the earlier Gen1 B46/B48 engine - Not compatible with the later TU en...
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Rein - Corporate Logo
T#:33679696
Part#: 11118511205
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$ 48.41 USD
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Plastic coolant flanges become brittle over time, which can cause them to crack and fail. Prevent overheating and coolant loss with this OEM Rein upgraded aluminum coolant flange.
Race German Coolant Temperature Sender Adapter - M12x1.5
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Race German - Corporate Logo
T#:6827887
Part#: RGCTSAM12
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$ 35.99 USD
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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for M12x1.5 sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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Race German Coolant Temperature Sender Adapter - 1/8NPT
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Race German - Corporate Logo
T#:6827888
Part#: RGCTSA1/8NPT
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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for 1/8NPT sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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Connector - Upgraded Aluminum Metal
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Bremmen Parts - Corporate Logo
T#:27205374
Part#: 11118511205
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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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HOSE, RADIATOR-ENGINE, UPPER. X3 G01
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Genuine BMW - Corporate Logo
T#:549961
Part#: 17127535529
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$ 151.99 USD
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$ 162.99

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Genuine BMW Cylinder Head Coolant Hose - BMW G42 G2X G30 G01 G02 G29 ...
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or late...
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Genuine BMW - Corporate Logo
T#:620754
Part#: 11538650984
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$ 135.99 USD
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$ 138.99

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Over time, rubber hoses and plastic coolant flanges can become brittle due to numerous heat cycles. This often leads to cracks and coolant leaks on the front side of the engine. Additionally, the two o-rings that seal this hose to the cylinder head and the water pump housing can flatten, leading to leaks when reinstalled. When servicing your cooling system, it is advised to replace this hose to prevent leaks and potential overheating.
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Hose - Radiator-Engine
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Bremmen Parts - Corporate Logo
T#:30729024
Part#: 17127535529
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Genuien BMW Thermostat Module Coolant Pipe W/ Wire Bracket - BMW G42 ...
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or late...
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Genuine BMW - Corporate Logo
T#:636427
Part#: 11538651265
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1% off MSRP $ 78.99

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$ 77.99 USD
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This coolant pipe connects to the thermostat module. When replacing the thermostat module, aka the heat management module, or other nearby cooling components, such as the water pump, this coolant pipe should be replaced. The o-ring seal also tends to flatten over time, preventing a proper seal after reinstallation, leading to a coolant leak.
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Rein Radiator Engine Hose G01 X3 30iX, G02 X4 30i
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Rein - Corporate Logo
T#:33946916
Part#: 17127535529
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The Rein Radiator Engine Hose is a top-quality component designed to optimize your vehicle’s cooling system by ensuring efficient coolant flow between the radiator and engine. This durable hose helps regulate engine temperature, preventing overheating and maintaining peak engine performance. Available at Turner Motorsport, the Rein Radiator Engine Hose is made from high-grade materials, ensuring long-lasting reliability and compatibility with various vehicle models, making it a perfect choice for both high-performance and everyday driving needs.

  • Optimizes coolant flow between radiator and engine
  • Prevents engine overheating and ensures consistent temperature control
  • Enhances engine performance and efficiency
  • Made from high-quality, durable materials for long-term use
  • Compatible with a wide range of vehicle models
  • Available from Turner Motorsport, a trusted source for performance automotive parts

Upgrade your vehicle’s cooling system with the Rein Radiator Engine Hose for superior engine protection and reliable performance under all driving conditions.

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Genuine BMW Connector
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Genuine BMW - Corporate Logo
T#:191037
Part#: 11118511205
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$ 37.50 USD
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Genuine BMW Connector


Genuine BMW water pump housing coolant flange - G-Chassis - B48TU (B4...
For B48TU Gen 2 applications (B46D/B48D)
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Genuine BMW - Corporate Logo
T#:48780791
Part#: 11515A74E79
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$ 128.99 USD
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Genuine BMW replacement coolant flange for back of water pump housing
Rein Automotive Turbocharger Coolant Pipes CHT0903
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Rein - Corporate Logo
T#:34147743
Part#: 11537643094
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Turbocharger Coolant Pipes CHT0903 are high-performance components designed to efficiently manage coolant flow in turbocharged engines. Available from Turner Motorsport, these coolant pipes are specifically engineered for BMW vehicles, ensuring optimal cooling of the turbocharger system. By maintaining the right temperature, these pipes help extend the lifespan of your turbocharger while improving engine performance and efficiency.

These Turbocharger Coolant Pipes offer a perfect OEM fit for easy installation, making them ideal for both professionals and BMW enthusiasts. Crafted from durable, heat-resistant materials, they ensure long-lasting reliability and resistance to wear and tear, providing a robust solution for maintaining the performance of your vehicle’s turbocharged engine.

Key Features:

  • Specifically designed for turbocharged BMW engines
  • Perfect OEM fit for seamless installation
  • Efficiently manages coolant flow to the turbocharger
  • Enhances turbocharger performance and engine efficiency
  • Made from durable, heat-resistant materials
  • Available from Turner Motorsport, a trusted provider of high-quality BMW parts

For anyone looking to maintain or upgrade their BMW’s turbocharged engine, these Turbocharger Coolant Pipes are a crucial component that ensures optimal cooling and long-term reliability.

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60-80mm 1/2"/12mm Band Hose Clamp
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ECS - Corporate Logo
T#:377836
Part#: 003402ECS05A-10
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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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Genuine BMW Coolant Hose - Waterp Pump to Thermostat Module - BMW G42...
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or late...
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Genuine BMW - Corporate Logo
T#:618269
Part#: 11538650981
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$ 98.99 USD
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$ 109.99

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$ 98.99 USD
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Over time, rubber hoses and plastic coolant flanges can become brittle due to numerous heat cycles. This often leads to cracks and coolant leaks on the left side of the engine. Additionally, the two o-rings that seal this hose to the water pump flange and the thermostat module housing can flatten, leading to leaks when reinstalled. When servicing your cooling system, it is advised to replace this hose to prevent leaks and potential overheating. This is especially helpful due to its cramped location, requiring the intake manifold to be removed for replacement.
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77-85mm - 3/4" Band Hose Clamp
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ECS - Corporate Logo
T#:377877
Part#: 003402ECS07A-05
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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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1/2"/12mm Band Hose Clamp - 25-40mm - Priced Each
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ECS - Corporate Logo
T#:385425
Part#: 003402ECS05A-06
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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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Band Hose Clamp | 12-20mm 3/8"/9mm
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ECS - Corporate Logo
T#:304266
Part#: 003402ECS06A-03
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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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40-60mm 3/8"/9mm Band Hose Clamp
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ECS - Corporate Logo
T#:341280
Part#: 003402ECS06A-08
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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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90-110mm 3/8"/9mm Band Hose Clamp
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ECS - Corporate Logo
T#:341281
Part#: 003402ECS06A-13
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$ 4.19 USD
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ECS Tuning 304 Stainless Steel Hose Clamps

Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

  • Made from high-quality 304 stainless steel for durability
  • German-style design with T-bolts allows for easy size adjustment
  • Various band widths for versatile use
  • Avoid dealership pricing without compromising on quality
  • Perfect for BMW enthusiasts seeking affordable yet reliable hose clamps
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Genuine BMW Hose Clamp 07129952104
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Genuine BMW - Corporate Logo
T#:6533
Part#: 07129952104
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$ 3.99 USD
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GENUINE BMW HOSE CLAMP 07129952104
3/8"/9mm Band Hose Clamp - 50-70mm
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ECS - Corporate Logo
T#:341684
Part#: 003402ECS06A-12
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Elevate your BMW maintenance with ECS Tuning's 304 stainless steel hose clamps, offering convenience and top-quality performance at an affordable price. Designed with various band widths and German-style T-bolts for adjustable sizing, these hose clamps ensure a secure fit for your specific diameter needs. Skip the dealership wait and excessive pricing; ECS Tuning provides reliable, dealership-quality hose clamps without the premium cost, ensuring your car receives the care it deserves.
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70-90mm 3/8"/9mm Band Hose Clamp
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ECS - Corporate Logo
T#:363017
Part#: 003402ECS06A-11
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Upgrade your BMW with ECS Tuning's Stainless Steel Hose Clamps, designed for convenience and durability. With various band widths and German-style T-bolts, these clamps offer easy adjustment to your required diameter. Say goodbye to dealer pricing and enjoy the quality you love at ECS Tuning.

  • Full stainless steel construction
  • Various band widths available
  • German-style T-bolts for easy adjustment
  • Convenient solution for hose clamp replacement
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Rein - Radiator Hose - X3 sDrive30i, X4 xDrive30i
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T#:33946933
Part#: 17129894739
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$ 52.24 USD
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Rein Radiator Hose

The Rein - Radiator Hose is a premium solution for maintaining your vehicle's cooling system. Manufactured with high-quality materials, it offers superior resistance to heat, pressure, and wear, ensuring optimal performance for an extended period. Designed specifically for European vehicles, this radiator hose guarantees a perfect fit and seamless installation, making it ideal for both professional mechanics and DIY enthusiasts. Rein's durable and flexible construction helps prevent leaks, keeps engine temperatures stable, and extends engine life.

  • Superior Heat and Pressure Resistance: Built to endure extreme engine conditions, minimizing the risk of overheating.
  • OEM Fitment: Designed to meet or exceed the original specifications for European vehicles, ensuring a precise fit.
  • Long-lasting Durability: Made from premium rubber, reinforced for longevity and optimal performance.
  • Leak Prevention: Provides a tight, leak-proof connection, ensuring no coolant loss.
  • Easy Installation: Perfect for quick replacement, compatible with a variety of makes and models.

Get the Rein Radiator Hose from Turner Motorsport, where quality parts meet precision engineering.

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OEM Rein Coolant Expansion Tank Hose - BMW G01 G02 Gen1 B46
For Pre-LCI models with the earlier Gen1 B46 engine only
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Rein - Corporate Logo
T#:45757473
Part#: 17127535536
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This hose connects the heat management module to the expansion tank's lower port. If your coolant expansion tank hose is cracked or leaking, replace it early to prevent further coolant loss and eventual overheating.
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Rein Radiator Hose G01 X3 30i, G02 X4 30i
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T#:33913472
Part#: 17127535531
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This Radiator Hose is a replacement part designed to ensure optimal coolant flow and long-lasting performance for your vehicle's cooling system. Manufactured with high-quality materials, this hose resists wear and tear caused by extreme temperatures, pressure, and chemical exposure. Turner Motorsport offers radiator hoses that are engineered to meet or exceed OEM specifications, providing a perfect fit for a variety of vehicle makes and models.
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Rein Water Feed Tube with O-Ring G20 330i, G30 530i, G01 X3 30i ...
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T#:34181294
Part#: 11538854737
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The Rein Water Feed Tube with O-ring CHT0924 is a premium replacement part designed for BMW vehicles, ensuring optimal engine cooling performance. Manufactured with high-quality materials, this water feed tube guarantees durability and a precise fit, making it an ideal solution for restoring or upgrading your BMW’s cooling system. Available through Turner Motorsport, this part ensures the prevention of coolant leaks and maintains the efficiency of your vehicle’s cooling system.

This water feed tube is engineered to withstand the intense heat and pressure found in high-performance engines, delivering long-lasting reliability. It’s compatible with a variety of BMW models, making it a versatile choice for both professional mechanics and DIY enthusiasts.

Benefits:

  • Precise fitment: Specifically designed for BMW applications to ensure seamless replacement.
  • High-quality materials: Built to endure high-temperature and high-pressure environments.
  • O-ring seal: Ensures a leak-proof connection, preventing coolant loss and engine overheating.
  • Optimized engine performance: Helps maintain consistent engine temperatures for improved vehicle performance.
  • Available at Turner Motorsport: Trusted source for BMW parts and accessories.

Keep your BMW running smoothly with the Rein Water Feed Tube with O-ring CHT0924, designed to restore your cooling system’s functionality and keep your engine in peak condition.

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HOSE, RADIATOR
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:618230
Part#: 17129894739
Ships in 3 Business Days
7% off MSRP $ 120.99

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

$ 112.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 120.99

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

$ 112.99 USD
Free Shipping on orders $49 and up
Genuine BMW Radiator Hose Connector (Lock) - E70 E71 F15
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:46421
Part#: 17127799184
Ships in 3 Business Days
$ 19.99 USD
Free Shipping on orders $49 and up


Genuine BMW Lock -
This item fits the following BMW Chassis:
E71,F15

Fits BMW Engines including:
N54,N55,N57N


Cap
D=6
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:191368
Part#: 17128515062
Ships in 3 Business Days
4% off MSRP $ 9.24

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

$ 8.91 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 9.24

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

$ 8.91 USD
Free Shipping on orders $49 and up


Genuine BMW Cap -
This item fits the following BMW Chassis:
F15,F25 X3

Fits BMW Engines including:
N57N

Hose Clamp 2 5/16" - 3 1/4" - priced each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ECS - Corporate Logo
T#:376806
Part#: 54155K23
Ships in 1-2 days
$ 4.99 USD
Free Shipping on orders $49 and up

Hose Clamp 2 5/16" - 3 1/4"

Ensure secure hose connections with the Hose Clamp 2 5/16" - 3 1/4", a versatile and reliable solution for various applications. Crafted from durable materials, this clamp offers superior strength and corrosion resistance. Its adjustable design allows for a snug fit, reducing the risk of leaks and ensuring optimal performance. Upgrade your hose connections with the precision and reliability of the Hose Clamp 2 5/16" - 3 1/4".

  • Versatile and reliable solution for various applications
  • Superior strength and corrosion resistance
  • Adjustable design for a snug fit
  • Reduces risk of leaks for optimal performance
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OEM Rein Coolant Expansion Tank Hose - BMW G01 G02 Gen1 B46
For Pre-LCI models with the earlier Gen1 B46 engine only
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Rein - Corporate Logo
T#:45757474
Part#: 17127535528
Ships in 1 Business Day
Sale - Save 9% $ 53.99

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

$ 49.14 USD
Free Shipping on orders $49 and up
Sale - Save 9%
$ 53.99

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

$ 49.14 USD
Free Shipping on orders $49 and up
This hose connects the cylinder head to the expansion tank's upper port. If your coolant expansion tank hose is cracked or leaking, replace it early to prevent further coolant loss and eventual overheating.
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