Rein OEM Rein Coolant Expansion Tank Overflow Hose - BMW F25 X3, F26 X4 N52 N20 N55 17128651298

OEM Rein Coolant Expansion Tank Overflow Hose - BMW F25 X3, F26 X4 N52 N20 N55

This hose connects the expansion tank to the upper radiator hose. If your coolant expansion tank hose is cracked or leaking, replace it early to prevent further coolant loss and eventual overheating.
Rein Rein
T#: 45757476 | Part#: 17128651298
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Rein OEM Rein Coolant Expansion Tank Overflow Hose - BMW F25 X3, F26 X4 N52 N20 N55 17128651298
OEM Rein Coolant Expansion Tank Overflow Hose - BMW F25 X3, F26 X4 N52 N20 N55
$31.99

In high-stress track environments and spirited street driving, your cooling system is only as reliable as its weakest link. The Rein Engine Coolant Hose is engineered to eliminate failure points, ensuring optimal thermal regulation when track temperatures spike. Produced by an industry-leading OE manufacturer, this hose is designed as a direct-fit replacement that meets or exceeds factory specifications for fitment, pressure resistance, and durability.

For teams and drivers who refuse to compromise on reliability, the Rein delivers peace of mind from the paddock to the checkers.

Key Technical Features

  • Premium EPDM Construction: Molded from high-grade Ethylene Propylene Diene Monomer (EPDM) rubber to resist heat, ozone, and electrochemical degradation—the leading causes of premature hose failure.

  • Reinforced Tensile Strength: Features an internal braided reinforcement layer engineered to withstand high-pressure cooling system spikes without expanding or collapsing.

  • Exact OE Geometry: Precision-molded to match original equipment routing perfectly. This guarantees zero interference with belts, pulleys, or chassis components, eliminating abrasive wear points.

  • Resistant to Aggressive Additives: Chemically optimized to withstand modern organic acid technology (OAT) and hybrid organic acid technology (HOAT) coolants, preventing internal scaling and softening.


Prop 65 WarningProp 65 Warning

Cross Reference
  • CHE0540
  • 17128651298
  • 17127601859
  • 17127601850

Product Q&A

Lifetime Replacement

This product is not eligible for Lifetime Replacement
MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW F25 X3 sDrive28i N20 2.0L Use vehicle selector to confirm fitment
BMW F25 X3 xDrive28i N20 2.0L Use vehicle selector to confirm fitment
BMW F25 xDrive2.8i N52 3.0L Use vehicle selector to confirm fitment
BMW F25 xDrive3.5i N55 3.0L Use vehicle selector to confirm fitment
BMW F26 X4 M40iX N55 3.0L Use vehicle selector to confirm fitment
BMW F26 X4 xDrive28i N20 2.0L Use vehicle selector to confirm fitment
BMW F26 X4 xDrive35i N55 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.