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BMW Coolant & Radiator Hoses

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.

This category contains parts that fit the following chassis:

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Coolant Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:373146

Part#: 13541735174

Ships in 1 Business Day

$ 8.99 USD

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$ 8.99 USD

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Thermostat to throttle body

BMW Radiator Hose Kit - 11537830715

2X Entries Into Our F80 M3 Sweepstakes

T#:46719180

Part#: CHK0376R

Ships in 3 Business Days

$ 43.99 USD

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$ 43.99 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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Engine Coolant Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:16441622

Part#: 17 127536232

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$ 79.99 USD

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$ 79.99 USD

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This hose goes from the radiator to the oil cooler. After years of use and exposure to heat, the hoses in your car can dry up and crack, resulting in nasty leaks - or worse. Replace your rotted, leaking hoses before they lead to larger problems.

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Coolant Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:57616350

Part#: 11537643177

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$ 64.99 USD

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$ 64.99 USD

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Maintain maximum thermal efficiency on the track or the street with this precision-engineered turbocharger coolant line by Rein.

Upper Radiator Coolant Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:58489958

Part#: 17128654834

Back Ordered

$ 65.99 USD

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$ 65.99 USD

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Protect your engine against severe heat soak and maintain precise cooling system pressure with a Rein Upper Radiator Hose. Engineered as a direct fit replacement for degradation prone original equipment hoses, this upper radiator line transfers high temperature coolant straight to the main radiator. Manufactured with high grade heat resistant EPDM rubber and OEM style quick connect fittings, it provides exceptional resistance to internal pressure spikes, ozone degradation, and chemical breakdown under demanding driving conditions.

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