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Genuine BMW i5 Radiator Cap

Cooling Radiator Cap
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1 Radiator Cap found

  • BMW i5 Radiator Cap - 17139885509
    Diagram for BMW i5 Radiator Cap - 17139885509
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    BMW i5 SCREW CAP FOR EXPANSION TANK

    Part Number: 17139885509
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: Cap, Reservoir Cap
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2024-2025 BMW i5 | BATTERY EV (EV/BEV)

BMW i5 Radiator Cap

The BMW i5 Radiator Cap seals the coolant system at a constant 16 PSI, preventing overheating even when stretched to its limits. This clever Radiator Cap uses a small two-stage spring to raise the boiling point so steep hills and rapid acceleration pass without steaming. If pressure spikes, the Radiator Cap cracks open for a brief moment, which sends a splash to the overflow bottle. This flow mechanism is followed by a superfast shut and a return to the radiator. This way, the system stays topped up. This proactive management protects the drivetrain while also enabling the battery conditioning to be effective, a major benefit to all BMW i5 drivers looking for range. Each current and previous i5 trim designation accepts the same Radiator Cap, making checks or swaps easy across the family. Though buyers will see traditional metal and newer plastic-topped versions of the Radiator Cap, they share the same internals to BMW cooling standards. Road testing during years of road testing effectively proves the ability of the Radiator Cap to resist fatigue, vibration, and chemicals. The i5 motors deliver instant torque while it's quietly tapped to maintain the right temperature, so the software never has to cut power for safety. This component helps to prevent a loss of coolant that may expose hot components. This can give BMW owners confidence to prevent unforeseen overheating. The chassis has a perfect weight balance. The Radiator Cap does the same, holding thermal stability steady to sharpen handling feel. The case of the i5 cooling circuit and its matching cap is a classic example of a small component guarding efficiency, longevity, and that familiar 5 Series punch. When this happens, every i5 sedan runs in accordance with BMW tradition and works better mile after mile.

If you are looking for OEM BMW i5 Radiator Cap, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW i5 Radiator Cap that come backed by the manufacturer's warranty.

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