Rein BMW Coolant & Radiator Hoses for BMW 3 Series F31 (2014+)

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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 Rein Aluminum Coolant Flange Connector - BMW & MINI B36 B46/B48 G...
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T#:33679696
Part#: 11118511205
In Stock
$ 50.99 USD
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$ 50.99 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.
Coolant Return Hose - N55
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T#:4826895
Part#: 17128570061
In Stock at Vendor
$ 38.99 USD
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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This item fits the following BMW Chassis: F22,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N55
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Rein- Radiator Hose - F36 430i,F31 330i, F22 230i
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T#:33946936
Part#: 17128616528
In Stock
$ 76.99 USD
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Rein's durable and flexible construction of their radiator hoses 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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Rein Coolant Hose - BMW F22/23 F3X
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T#:594310
Part#: 11537639997
In Stock
$ 57.99 USD
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Water pipes and coolant hoses are essential for proper cooling. If they are cracked, they are going to need to be replaced as soon as possible to avoid overheating your engine.

Rein Cylinder Head Expansion Tank Hose CHE0925- Priced Each - F22 230...
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T#:34181285
Part#: 17129845173
Ships in 2 Business Days
$ 29.99 USD
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Rein Cylinder Head Expansion Tank Hose CHE0925 is a top-quality component designed specifically for BMW vehicles, ensuring optimal coolant flow between the cylinder head and expansion tank. This hose is engineered to withstand high engine temperatures and pressures, preventing coolant leaks and safeguarding the engine from overheating. The Rein Cylinder Head Expansion Tank Hose CHE0925 is perfect for BMW enthusiasts who prioritize vehicle reliability and performance.

Manufactured from premium materials, this hose guarantees durability and longevity under demanding conditions. Its precise design ensures a perfect fit, making installation easy for both professional mechanics and DIY car enthusiasts. Available from Turner Motorsport, this product is an excellent choice for anyone looking to maintain peak engine performance.

Key Benefits:

  • Designed specifically for BMW vehicles to ensure a perfect fit and compatibility
  • Regulates coolant flow, preventing engine overheating and damage
  • Made from high-quality, durable materials that withstand extreme engine conditions
  • Easy installation for quick maintenance and hassle-free replacement
  • Ideal for both professional mechanics and DIY car enthusiasts
  • Available from Turner Motorsport, a trusted supplier of BMW parts

The Rein Cylinder Head Expansion Tank Hose CHE0925 is a must-have part for maintaining the cooling efficiency and overall health of your BMW engine.

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Coolant Hose
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T#:593072
Part#: 17127596841
In Stock
$ 29.88

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

$ 26.99 USD
Limited Qty Sale
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$ 29.88

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

$ 26.99 USD
Limited Qty Sale
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Rein Coolant Hose - BMW F22/23 F3X
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T#:591823
Part#: 11537639998
In Stock
$ 42.99 USD
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Connects from water pump to block
Coolant Connection Flange - N47
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T#:4840519
Part#: 11127810707
In Stock
$ 47.99

This product was last offered at the strikethrough price on
06-17-2026

$ 40.99 USD
Limited Qty Sale
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$ 47.99

This product was last offered at the strikethrough price on
06-17-2026

$ 40.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Keep Your Coolant System Operating Properly And Leak Free. Quality Rein coolant flange attaches to the engine block below the intake manifold and flows coolant out of the engine.

Rein Automotive Turbocharger Coolant Pipes CHT0903
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T#:34147743
Part#: 11537643094
Ships in 1 Business Day
$ 61.99 USD
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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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Rein Coolant Hose - F22, F23, F30, F31, F32, F33, F34, F36
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T#:592012
Part#: 17127596838
Ships in 3 Business Days
$ 50.99 USD
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Connects the thermostat to the radiator
Coolant Hose - Upper
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T#:585137
Part#: 17127596837
In Stock
$ 77.13

This product was last offered at the strikethrough price on
06-12-2026

$ 70.99 USD
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$ 70.99 USD
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Coolant supply all around your engine is very important and if this is ever compromised by a leak or other complication, it can put your engines health in serious danger.
Rein Transmission Oil Heat Exchanger Hose F33 430i, F23 230iX, F31 33...
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T#:33913483
Part#: 17127640287
Ships in 3 Business Days
$ 38.99 USD
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The Hose Transmission Oil Heat Exchanger is a crucial component in maintaining the longevity and performance of your vehicle's transmission system. This part is designed to efficiently cool down the transmission oil, ensuring that your transmission operates at optimal temperatures, reducing wear and tear. Available at Turner Motorsport, this high-quality heat exchanger is engineered to meet the demands of high-performance vehicles, making it an excellent choice for both daily drivers and track enthusiasts.

  • Optimizes transmission oil temperature to prevent overheating
  • Enhances the lifespan of your transmission system
  • Durable construction for long-lasting performance
  • Ideal for performance and high-demand driving conditions
  • Compatible with a wide range of vehicle makes and models

    Upgrade your vehicle’s transmission cooling system with the Hose Transmission Oil Heat Exchanger and drive with confidence knowing your transmission is protected.

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Coolant Hose
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T#:554682
Part#: 17127596831
In Stock at Vendor
$ 21.99 USD
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Keep your engine running at operating temperature with this coolant hose
Radiator Hose - Radiator To Thermostat Housing
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T#:594377
Part#: 17127619256
Ships in 1 day
$ 97.12

This product was last offered at the strikethrough price on
02-25-2026

$ 88.99 USD
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$ 88.99 USD
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Replacement Radiator Hose - Radiator To Thermostat Housing from Rein
Rein Engine Inlet To Changeover Valve Hose
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T#:52903280
Part#: 17128616914
In Stock
New Item
$ 45.99 USD
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This Rein Automotive coolant hose is an exact-fit aftermarket solution for the BMW "By-Pass Hose".

Rein Turbo Cooling Line - Return
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T#:17771598
Part#: 11538663517
In Stock at Vendor
$ 86.99

This product was last offered at the strikethrough price on
05-07-2026

$ 84.99 USD
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$ 84.99 USD
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Rein turbo hoses are manufactured with premium OE quality material to offer maximum protection from premature failures.

BMW Turbo Cooling Line
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T#:46478582
Part#: CHT0690
In Stock at Vendor
$ 56.00

This product was last offered at the strikethrough price on
04-28-2026

$ 55.99 USD
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$ 55.99 USD
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Your turbo is constantly working under extreme heat and pressure, generating serious boost every time you get on the gas. The turbo cooling lines are responsible for circulating coolant through the turbocharger, keeping temperatures in check and safeguarding internal components from excessive heat. With time, these lines can corrode, crack, or clog—compromising coolant flow and system efficiency. If left unchecked, a failing line can lead to overheating, loss of performance, or even costly turbo damage. Why replacing them matters: Protect your turbo – Ensures proper cooling to prevent heat soak and extend turbo life. Stop leaks early – Prevent small coolant drips from turning into bigger, more expensive problems. Keep performance consistent – Reliable cooling means steady boost and dependable operation. Don’t let a tired cooling line put your turbo at risk—replace it and keep your forced-induction system performing at its best.
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Upper Radiator Hose
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T#:38161723
Part#: 17127811127
Ships in 3 Business Days
$ 43.99 USD
Free Shipping on orders $49 and up