Rein BMW Coolant & Radiator Hoses

Rein Engine Inlet To Changeover Valve Hose

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T#:52903280

Part#: 17128616914

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This Rein Automotive coolant hose is an exact-fit aftermarket solution for the BMW "By-Pass Hose".

Coolant Hose

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T#:592165

Part#: 17122754231

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$ 12.34 USD

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Hose From Radiator Bottom - Thermostat CHR0800

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T#:38195379

Part#: 17127617368

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Rein Expansion Tank Hose - E39

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T#:375748

Part#: 11531438633

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Runs from the expansion tank to auxiliary water pump

OEM Rein Expansion Tank Return Hose - E36 323is/ic, 328i/is, M3 ...

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T#:14593

Part#: 11531740649

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This is the radiator expansion tank return hose for the cooling system on E36 models with the M52 or S52 engine. This hose goes from the expansion tank to the main coolant return pipe.

This item fits the following BMWs:
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1996-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe

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Radiator Hose - Lower

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T#:29732515

Part#: 17121475574

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Lower Radiator Hose CHR0926 is a premium replacement part designed to ensure the efficient operation of your vehicle's cooling system. Specifically crafted for a perfect fit, this durable hose ensures the proper flow of coolant between the radiator and engine, preventing overheating and maintaining optimal engine performance. Constructed from durable materials, the Lower Radiator Hose CHR0926 offers excellent heat resistance and long-lasting reliability, making it an ideal solution for any vehicle.

Available at Turner Motorsport, this radiator hose is engineered for easy installation and guarantees a direct fit for seamless compatibility with various vehicle models. Whether you're maintaining or upgrading your cooling system, the Lower Radiator Hose CHR0926 is essential for optimal performance and durability.

Precision-engineered for a direct fit
Reinforced materials for durability and heat resistance
Prevents overheating by ensuring proper coolant flow
Designed to withstand high temperatures and pressures
Easy installation for hassle-free replacement
Available at Turner Motorsport, trusted for quality automotive parts

Upgrade your vehicle’s cooling system with the Lower Radiator Hose CHR0926 for reliable performance and enhanced engine longevity.

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Water Pump Blind Plug

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T#:594382

Part#: 11531439134

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$ 7.37 USD

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Replacement Water Pump Blind Plug from Rein

Coolant Hose - Priced Each

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T#:594295

Part#: 11537580969

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07-17-2026

$ 19.94 USD

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Comes off the coolant pump. Replacement from Rein.

Thermostat Housing to Water Pipe Cooling Hose - E30 325e 325i ...

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T#:19253

Part#: 11531718982

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$ 6.22 USD

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This is the cooling system water hose that goes from the thermostat housing to the water pipe on E30 3 series.

This item fits the following BMWs:
1988-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix

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Rein Radiator Hose - Upper - E36, Z3

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T#:6973

Part#: 11531743535

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$ 16.14 USD

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OEM BMW ENGINE WATER HOSE 11531743535.--

This item fits the following BMWs:
BMW 3 Series - 318i, 318i Convertible, 318is, 318ti
BMW Z Series - Z3 1.9

--.

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Rein Water Hose - Z3

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T#:363333

Part#: 11531436988

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$ 17.09 USD

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Serves as a supply line to the radiator

Rein - Coolant Return Line - G30 530i, G11 740e

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T#:33946941

Part#: 17128602870

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$ 68.39 USD

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The Radiator Hose - Coolant Return Line is a critical component for maintaining an efficient cooling system in your vehicle. Engineered for durability and optimal performance, this hose ensures the proper circulation of coolant, preventing engine overheating and extending the life of your engine. Designed for a wide range of European vehicles, the coolant return line guarantees a perfect fit and smooth installation. Ideal for both DIY enthusiasts and professional mechanics, this high-quality replacement hose ensures your engine runs at peak performance.

Enhanced Durability: Made from high-grade materials to withstand extreme temperatures and pressure.
Prevents Overheating: Ensures proper coolant flow, maintaining the engine’s optimal temperature.
OEM Fitment: Designed to meet or exceed original equipment standards for European vehicles.
Leak-Proof Design: Provides a secure and leak-resistant connection to prevent coolant loss.
Easy Installation: Hassle-free replacement with compatibility across multiple vehicle makes and models.

For a reliable replacement, get the Radiator Hose - Coolant Return Line Rein.

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OEM Rein Radiator Coolant Return Hose - BMW BMW G30 G12 B48 2.0L ...

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T#:45757472

Part#: 17128602603

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$ 58.99 USD

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This coolant hose connects the lower radiator outlet port to the engine. Coolant hoses can become brittle and crack over time. If your coolant hose has begun to leak, replace it as soon as possible to prevent coolant loss and overheating.

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Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34 ...

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T#:19431

Part#: 17121712736

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$ 13.29 USD

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VENT HOSE 17121712736 Manufactured by CRP

Coolant Hose

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T#:393277

Part#: 17127542540

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Attaches to the vent port on the expansion tank

Coolant Inlet Hose Section

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T#:388669

Part#: 11537558523

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$ 17.09 USD

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Rein Lower Heater Hose - E30

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T#:379681

Part#: 11531714636

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$ 6.77 USD

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Heats & cools the throttle body

Turbocharger Coolant Return Line

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T#:4826914

Part#: 11539896890

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$ 52.24 USD

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BMW Turbo Cooling Line

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T#:46478582

Part#: CHT0690

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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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Rein Coolant Inlet Hose Section - E82, E83, E88, E90, E91, E92, E93 ...

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T#:388668

Part#: 11537535829

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Replaces the rubber section of the water pump inlet pipe - includes two clamps

Turbocharger Coolant Return Line

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T#:4826913

Part#: 11538485578

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$ 63.64 USD

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Cylinder 1-4 Turbo Return Line. Keep your turbos healthy and lubricated. Rein quality replacement turbo return line.

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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Upper Radiator Hose - Short Section

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T#:592156

Part#: 17122754203

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$ 14.24 USD

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Rein- Coolant Hose F10 535i, F13 640i, F07 535i

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T#:34080749

Part#: 17127580963

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$ 79.79 USD

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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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Rein Coolant Hose - E28, E30, E34

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T#:379671

Part#: 13541719966

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$ 5.80 USD

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Thermostat to throttle housing

Upper Radiator Hose

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T#:592162

Part#: 17122754221

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06-29-2026

$ 29.44 USD

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OEM Rein Turbocharger Coolant Return Line - BMW & MINI B36 B46/B48 ...

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T#:45757431

Part#: 11539488188

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$ 53.19 USD

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The coolant return hose is responsible for taking cooling from the turbocharger and returning it back to the engine coolant system, allowing a free flow of coolant to keep the turbocharger temperatures under control.

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OEM Rein Water Pump Coolant Hose - BMW F15 F16 N55 3.0L

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T#:45757475

Part#: 11537649394

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$ 64.19 USD

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This hose connects the primary water pump to the thermostat housing. Coolant hoses can become brittle over time, leading to cracks and coolant leaks. If your coolant hose is leaking, replace it early to prevent coolant loss and eventual overheating.

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Rein Engine Coolant Hose - Upper Radiator To Expansion Tank - BMW G3X...

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T#:52903294

Part#: 17129844478

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Upgrade your cooling system with the Rein Automotive replacement coolant hose, engineered to meet or exceed the rigorous standards of your BMW.

OEM Rein Upper Radiator Hose - E36 325/328/323/M3

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T#:1299

Part#: 11531708499

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$ 12.34 USD

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This is the coolant hose that connects the upper radiator outlet to the thermostat housing. Any time you are into the cooling system, either for a radiator, water pump, thermostat, etc, you should consider installing fresh new hoses as a preventative measure.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe with S52 engine

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Rein Turbo Charger Cooling Hose - Return

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T#:34080768

Part#: 11537558903

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$ 56.99 USD

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Turbo Charger Cooling Hose - Return is essential for maintaining the efficiency and performance of your turbocharged vehicle. This high-quality return hose is specifically designed to handle the intense heat and pressure generated by the turbocharger system. Manufactured using durable materials, this cooling hose ensures optimal coolant flow to keep your engine running at peak performance. Available at Turner Motorsport, it’s the perfect upgrade or replacement part for your vehicle’s turbo system.

High-performance cooling solution for turbocharged engines
Ensures efficient coolant circulation to prevent overheating
Manufactured from heat-resistant and durable materials
Direct fit for a hassle-free installation
Designed for long-lasting durability and reliability
Compatible with a variety of makes and models

This Turbo Charger Cooling Hose - Return from Turner Motorsport is the ideal choice for any turbocharged engine, ensuring your vehicle operates smoothly and efficiently.

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BMW Radiator Hose Kit - 17123413819

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T#:46719171

Part#: CHK0198

Ships in 4 Business Days

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$ 47.22 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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BMW Radiator Hose Kit - 17127575427

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T#:46719185

Part#: CHK0583

Ships in 4 Business Days

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$ 66.34 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 Lower Radiator Hose - G30 G11 G14 G15 G16 - N63

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T#:55857776

Part#: 17128602669

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$ 47.49 USD

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When it comes to keeping your vehicle on the road, a compromised cooling system is a severe vulnerability. Plastic and rubber degrade from constant heat cycling, leading to hairline cracks, swelling, and sudden failure.

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Rein Turbo Cooling Line - Return

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T#:17771598

Part#: 11538663517

Ships in 3 Business Days

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

$ 72.28 USD

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

OEM Rein Lower Radiator Hose - E39 528i

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T#:349032

Part#: 11531740481

Ships in 2 Business Days

Sale - Save 5% $ 14.99

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$ 14.24 USD

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Runs from the radiator to the thermostat housing. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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Rein Coolant Hose Supply Elbow - F22 F23 F30 F32 F33 F36 F87 - N55 ...

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T#:53820908

Part#: CHE0985

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Sale - Save 67% $ 73.99

This product was last offered at the strikethrough price on
07-09-2026

$ 24.69 USD

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The Rein coolant hose elbow is a targeted engineering solution designed to bypass the flaws of the factory assembly. By isolating the failure prone rubber section, it allows for replacement without disturbing the exhaust manifold or cylinder head connections. This is the strategic choice for teams and technicians who prioritize rapid turnaround and system integrity.

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Cooling Hose

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T#:594371

Part#: 17127582894

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Sale - Save 5% $ 56.99

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08-31-2026

$ 54.14 USD

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Replacement cooling hose from Rein

Radiator Hose Lower

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T#:592175

Part#: 17127515489

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08-31-2026

$ 21.84 USD

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Rein - Throttle Body Hose - E36 318i, Z3 1.9

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T#:33980410

Part#: 11531247398

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08-31-2026

$ 6.49 USD

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Throttle Body Hose by Rein is a key component designed to optimize airflow to your BMW’s engine, ensuring enhanced throttle response and overall engine performance. This hose connects the air intake system to the throttle body, delivering a precise flow of air that improves fuel efficiency and engine power. Manufactured from high-quality, heat-resistant materials, the Throttle Body Hose by Rein is built to withstand extreme temperatures and pressures, making it a durable and long-lasting solution for your BMW. Available at Turner Motorsport, this hose is a direct fit replacement, ensuring easy installation and perfect compatibility with OEM standards.

Optimizes airflow to the throttle body, improving engine performance and efficiency
Enhances throttle response, contributing to smoother acceleration
Constructed from durable, heat-resistant materials, ensuring long-lasting performance
Direct fit replacement, allowing for easy installation and OEM compatibility
Boosts overall engine efficiency, improving fuel economy and engine power

Turner Motorsport offers the Throttle Body Hose by Rein as a reliable solution to maintain your BMW’s air intake system, ensuring smooth and efficient engine operation.

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Pump To Radiator Hose Upper

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T#:592187

Part#: 17127515989

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08-31-2026

$ 18.04 USD

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Upper Radiator Hose

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T#:592200

Part#: 17127556614

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$ 16.14 USD

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BMW Radiator Hose Kit - 17127536231

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T#:46719187

Part#: CHK0373R

Ships in 4 Business Days

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08-31-2026

$ 63.54 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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BMW Radiator Hose Kit - 17127531581

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T#:46719188

Part#: CHK0462

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08-31-2026

$ 41.73 USD

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$ 41.73 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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OEM Rein Coolant Hose w/ Temperature Sensor - BMW E60 E63/E64 E65/E66...

2X Entries Into Our F80 M3 Sweepstakes

T#:375746

Part#: 17127508011

In Stock at Vendor

Sale - Save 5% $ 75.99

This product was last offered at the strikethrough price on
08-31-2026

$ 72.19 USD

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This hose runs from the lower radiator port on the passenger side of the radiator to the water pump on the engine. Rubber hoses can crack over time, leading to coolant loss. Replace your hose with this OEM Rein hose to eliminate leaks and prevent overheating.

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Rein - Radiator To Auto Trans Oil Cooler - Water Hose - E70 X5 ...

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T#:34114219

Part#: 17127537101

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08-31-2026

$ 53.19 USD

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Water Hose - Radiator To Auto Trans Oil Cooler is a critical component designed to maintain the optimal performance of your BMW’s cooling system. This high-quality hose ensures efficient coolant transfer from the radiator to the automatic transmission oil cooler, preventing overheating and protecting essential engine components. Available at Turner Motorsport, this durable hose is engineered to handle high temperatures and pressure, making it a perfect replacement or upgrade for your vehicle’s cooling system.

Designed for BMW automatic transmissions
Ensures proper coolant flow between the radiator and transmission oil cooler
Prevents overheating of vital engine and transmission components
Manufactured from heat-resistant, durable materials for longevity
Direct-fit replacement for easy installation
Helps maintain engine efficiency and cooling performance

The Water Hose - Radiator To Auto Trans Oil Cooler from Turner Motorsport is the ideal solution to ensure your BMW’s cooling system functions smoothly, offering long-term reliability and protection for your engine and transmission.

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OEM Rein Coolant Hose - E30

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T#:379799

Part#: 13541719967

In Stock at Vendor

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This product was last offered at the strikethrough price on
08-26-2026

$ 12.07 USD

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Fix that leak or replace that old line with this OE replacement!

Coolant Hose - Short

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T#:591825

Part#: 11517829913

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08-31-2026

$ 10.44 USD

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$ 10.99

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Upper Radiator Hose

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T#:38161723

Part#: 17127811127

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This product was last offered at the strikethrough price on
08-13-2026

$ 41.22 USD

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$ 41.22 USD

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OEM Rein Heating Core Return Hose - E38 740i/il

2X Entries Into Our F80 M3 Sweepstakes

T#:375753

Part#: 64218390319

Ships in 2 Business Days

Sale - Save 5% $ 7.63

This product was last offered at the strikethrough price on
08-31-2026

$ 7.25 USD

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Attaches to the water pipe on the back of the engine block to the secondary water pump. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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