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Rein 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.
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Rein Water Hose With Metal Flange - F-Chassis - N55
Rein Water Hose With Metal Flange - F-Chassis - N55
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750147
Part#: CHU0632
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This product was last offered at the strikethrough price on
08-31-2026

$ 50.29 USD
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$ 52.99

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Heat cycles cause Cracking and Leaks on Rubber and Plastic Components. Replace Leaking Hose with this Part From Rein Featuring Upgraded Metal Flanges
Rein Water Hose Problem Solver Kit - F chassis N55
Rein Water Hose Problem Solver Kit - F chassis N55
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750119
Part#: 11537598237
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This product was last offered at the strikethrough price on
08-31-2026

$ 24.87 USD
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Rein's Rubber Elbow Problem Solver Kit for the Coolant Feed Hose Replaces the Rubber End of the Hard Feed Line Without Having to Move the Exhaust or Replace the Entire Hard Line
Coolant Return Line
Coolant Return Line
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53856300
Part#: 11538650087
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This product was last offered at the strikethrough price on
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$ 57.46 USD
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Rein Automotive turbo hoses are engineered to meet these rigorous demands, providing the reliability required for both the track and the street.
Rein Coolant Hose With Metal Flange - E82, E88, E9x - N55
Rein Coolant Hose With Metal Flange - E82, E88, E9x - N55
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750144
Part#: CHU0629
In Stock at Vendor
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This product was last offered at the strikethrough price on
08-31-2026

$ 53.93 USD
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Upgraded Coolant Hose from Rein Featuring Metal Flanges to Reduce Leaks
Rein Engine Inlet To Changeover Valve Hose
Rein Engine Inlet To Changeover Valve Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:52903280
Part#: 17128616914
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This product was last offered at the strikethrough price on
08-31-2026

$ 43.69 USD
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This Rein Automotive coolant hose is an exact-fit aftermarket solution for the BMW "By-Pass Hose".
Rein Engine Coolant Hose - Upper Radiator To Expansion Tank - BMW G3X 5, 6, 7 ser.
Rein Engine Coolant Hose - Upper Radiator To Expansion Tank - BMW G3X...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:52903294
Part#: 17129844478
Back Ordered
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This product was last offered at the strikethrough price on
08-31-2026

$ 47.49 USD
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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.
Rein Lower Radiator Hose - G30 G11 G14 G15 G16 - N63
Rein Lower Radiator Hose - G30 G11 G14 G15 G16 - N63
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:55857776
Part#: 17128602669
Ships in 4 Business Days
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This product was last offered at the strikethrough price on
08-31-2026

$ 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 Coolant Hose Supply Elbow - F22 F23 F30 F32 F33 F36 F87 - N55
Rein Coolant Hose Supply Elbow - F22 F23 F30 F32 F33 F36 F87 - N55 ...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53820908
Part#: CHE0985
Ships in 4 Business Days
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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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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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Rein Radiator Expansion Tank Hose - G30 B48 B58
Rein Radiator Expansion Tank Hose - G30 B48 B58
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:55821725
Part#: 17125A09423
In Stock at Vendor
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This product was last offered at the strikethrough price on
08-31-2026

$ 18.04 USD
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While the modern B48 and B58 powerplants are incredibly robust, BMW’s choice of brittle plastics for their cooling loops remains a major weak link. This upper radiator vent hose runs constantly hot as it returns pressurized coolant back to the expansion tank. After years of being baked by engine bay heat, the thin plastic neck and internal quick-disconnect seals degrade. A hardened factory plastic line can snap at any moment, spraying coolant everywhere.
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Rein Water Hose With Metal Flange - E70, E71 - N55, N54
Rein Water Hose With Metal Flange - E70, E71 - N55, N54
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750149
Part#: CHU0633
Ships in 4 Business Days
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This product was last offered at the strikethrough price on
08-31-2026

$ 53.88 USD
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$ 56.99

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

$ 53.88 USD
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Heat cycles cause Cracking and Leaks on Rubber and Plastic Components. Replace Leaking Hose with this Part From Rein Featuring Upgraded Metal Flanges
Rein Water Hose with Metal Flange - E60, E61 - N54
Rein Water Hose with Metal Flange - E60, E61 - N54
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750141
Part#: CHU0460
Ships in 4 Business Days
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Sale - Save 5% $ 52.99

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

$ 50.32 USD
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$ 52.99

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

$ 50.32 USD
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Heat cycles cause Cracking and Leaks on Rubber and Plastic Components. Replace Leaking Hose with this Part From Rein Featuring Upgraded Metal Flanges
Rein Engine Coolant Hose - BMW G11, G30 5
Rein Engine Coolant Hose - BMW G11, G30 5
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:52516262
Part#: CHE0993
Ships in 4 Business Days
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This product was last offered at the strikethrough price on
08-31-2026

$ 61.74 USD
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$ 64.99

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Restore your cooling system’s integrity with the Rein CHE0993 Engine Coolant Hose.
Coolant Hose
Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:57616350
Part#: 11537643177
Ships in 4 Business Days
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Sale - Save 6% $ 64.99

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

$ 61.32 USD
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$ 64.99

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$ 61.32 USD
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Maintain maximum thermal efficiency on the track or the street with this precision-engineered turbocharger coolant line by Rein.
Coolant Hose
Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:57616346
Part#: 17128620944
Ships in 4 Business Days
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This product was last offered at the strikethrough price on
08-31-2026

$ 41.37 USD
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Keep your European powertrain running at optimal operating temperatures with a high-grade coolant hose replacement.
Water Hose
Water Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:57616352
Part#: 17127599452
Ships in 4 Business Days
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Sale - Save 6% $ 63.99

This product was last offered at the strikethrough price on
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$ 60.06 USD
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Rein Automotive cooling hoses are designed as precision OEM-quality replacements that withstand the rigorous demands of hard driving.
Rein Turbo Coolant Hose - F22/23, F30/34, F32/33, F36, G01, G02, G11, G30, G32 - B58
Rein Turbo Coolant Hose - F22/23, F30/34, F32/33, F36, G01, G02, G11,...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53856297
Part#: 11538611277
Ships in 4 Business Days
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Sale - Save 6% $ 44.99

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

$ 42.27 USD
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$ 44.99

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Rein Automotive Turbo Hoses are engineered to meet these rigorous standards, utilizing premium, OE-quality materials specifically formulated to withstand the extreme duty cycles of modern forced-induction systems.
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