Rein BMW Coolant & Radiator Hoses for BMW X Series F39 (2018+)

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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 Gen1
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...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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.
OEM Rein Turbocharger Coolant Supply Line - BMW Gen2 B46/B48 2.0L
OEM Rein Turbocharger Coolant Supply Line - BMW Gen2 B46/B48 2.0L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
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T#:34315143
Part#: 11538629971
Ships in 4 Business Days
$ 47.99

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

$ 42.99 USD
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$ 42.99 USD
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Turbo coolant supply lines feed coolant to the turbocharger, ensuring temperatures are kept in check. If your coolant line is leaking, it is important to replace it as soon as possible to prevent coolant loss, overheating, and turbo damage.
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Upper Coolant Hose
Upper Coolant Hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
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T#:38195380
Part#: 17127617363
In Stock
$ 73.99 USD
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$ 73.99 USD
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OEM Rein Engine Coolant Hose - Turbo Charger - BMW F48 F39 B46/B48
OEM Rein Engine Coolant Hose - Turbo Charger - BMW F48 F39 B46/B48 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!
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T#:40985138
Part#: 17127617377
In Stock
$ 70.99

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

$ 59.99 USD
Limited Qty Sale
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$ 70.99

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

$ 59.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
This OEM Rein coolant hose connects the auxiliary pump to the heat exchanger hose. Replace your old, cracked coolant hose with this new hose from Rein to prevent coolant loss and overheating.
Hose From Radiator Bottom - Thermostat CHR0800
Hose From Radiator Bottom - Thermostat CHR0800
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
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T#:38195379
Part#: 17127617368
In Stock
$ 45.99 USD
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$ 45.99 USD
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OEM Rein Turbocharger Coolant Return Line - BMW & MINI B36 B46/B48
OEM Rein Turbocharger Coolant Return Line - BMW & MINI B36 B46/B48 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:45757431
Part#: 11539488188
Ships in 4 Business Days
$ 55.99 USD
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$ 55.99 USD
Free Shipping on orders $49 and up
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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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