Rein 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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OEM Rein Turbocharger Coolant Supply Line - BMW Gen2 B46/B48 2.0L
OEM Rein Turbocharger Coolant Supply Line - BMW Gen2 B46/B48 2.0L ...
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T#:34315143
Part#: 11538629971
Ships in 3 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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Coolant Return Line
Coolant Return Line
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53856300
Part#: 11538650087
In Stock
New Item
$ 60.99 USD
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$ 60.99 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 Water Feed Tube with O-Ring G20 330i, G30 530i, G01 X3 30i
Rein Water Feed Tube with O-Ring G20 330i, G30 530i, G01 X3 30i ...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:34181294
Part#: 11538854737
Ships in 4 Business Days
$ 46.99 USD
Free Shipping on orders $49 and up
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$ 46.99 USD
Free Shipping on orders $49 and up
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The Rein Water Feed Tube with O-ring CHT0924 is a premium replacement part designed for BMW vehicles, ensuring optimal engine cooling performance. Manufactured with high-quality materials, this water feed tube guarantees durability and a precise fit, making it an ideal solution for restoring or upgrading your BMW’s cooling system. Available through Turner Motorsport, this part ensures the prevention of coolant leaks and maintains the efficiency of your vehicle’s cooling system.

This water feed tube is engineered to withstand the intense heat and pressure found in high-performance engines, delivering long-lasting reliability. It’s compatible with a variety of BMW models, making it a versatile choice for both professional mechanics and DIY enthusiasts.

Benefits:

  • Precise fitment: Specifically designed for BMW applications to ensure seamless replacement.
  • High-quality materials: Built to endure high-temperature and high-pressure environments.
  • O-ring seal: Ensures a leak-proof connection, preventing coolant loss and engine overheating.
  • Optimized engine performance: Helps maintain consistent engine temperatures for improved vehicle performance.
  • Available at Turner Motorsport: Trusted source for BMW parts and accessories.

Keep your BMW running smoothly with the Rein Water Feed Tube with O-ring CHT0924, designed to restore your cooling system’s functionality and keep your engine in peak condition.

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Rein Expansion Tank Coolant Hose - G20 G22 G23 G26 G42 (B46 B48)
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
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$ 26.99 USD
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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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Rein Turbocharger Coolant Supply Line - BMW B58 Gen2
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
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$ 72.00 USD
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Supplies coolant to the turbocharger
Upper Radiator Coolant Hose
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
Back Ordered
New Item
$ 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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