BMW Coolant & Radiator Hoses for BMW 3 Series G20 (2019+)

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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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Coolant Return Line
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53856300
Part#: 11538650087
In Stock
New Item
$ 60.99 USD
Free Shipping on orders $49 and up
Rein Automotive turbo hoses are engineered to meet these rigorous demands, providing the reliability required for both the track and the street.
Rein Turbocharger Coolant Supply Line - BMW B58 Gen2
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:58307569
Part#: 11538650086
Ships in 4 Business Days
New Item
$ 72.00 USD
$ 72.00 USD
Supplies coolant to the turbocharger
Rein Expansion Tank Coolant Hose - G20 G22 G23 G26 G42 (B46 B48) ...
For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:58307536
Part#: 17128654824
Ships in 4 Business Days
New Item
$ 26.99 USD
$ 26.99 USD
Prevent catastrophic cooling system failure and maintain optimal system pressure with a Rein Expansion Tank Vent Line. Engineered as a direct fit replacement for brittle factory expansion tank lines, this vent hose routes pressurized coolant vapor from the cylinder head back to the expansion reservoir. Manufactured with durable heat resistant materials and factory style quick disconnect fittings, it ensures a tight seal against pressure drops and prevents fluid loss.
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Upper Radiator Coolant Hose
For models with a production date up to 07/2021 or a production date from 07/2021+ with...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:58489958
Part#: 17128654834
Ships in 4 Business Days
New Item
$ 65.99 USD
$ 65.99 USD
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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Vargas Billet Coolant Block-Off - BMW B58 Engine
2X Entries Into Our F80 M3 Sweepstakes
Vargas Turbo Technologies - Corporate Logo
T#:52094566
Part#: VTTFAB040BLKB58
Ships on Oct 13, 2026
New Item
$ 31.99 USD
Free Shipping
$ 31.99 USD
Free Shipping
Engineered for precision and durability, the VTT-FAB-040 B58 Block-Off Flange is the definitive solution for managing oil and coolant paths during fabrication.

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