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Genuine BMW 550e xDrive Coolant Reservoir Cap

Coolant Overflow Reservoir Cap
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2 Coolant Reservoir Caps found

  • Diagram for BMW 550e xDrive Coolant Reservoir Cap - 17138665638
    View related parts

    BMW 550e xDrive SCREW CAP FOR EXPANSION TANK

    Part Number: 17138665638
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Cap, Expansion Tank Cap, Reservoir Cap
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2025 BMW 550e xDrive | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
  • BMW 550e xDrive Coolant Reservoir Cap - 17135A1BD89
    Diagram for BMW 550e xDrive Coolant Reservoir Cap - 17135A1BD89
    View related parts

    BMW 550e xDrive SCREW PLUG, EXPANSION TANK

    Part Number: 17135A1BD89
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Cap, Cover Cap, Radiator Cap, Reservoir Cap
    • Position: Passenger Side
    • Replaces: 17-13-2-754-264, 17-11-7-639-024
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2025 BMW 550e xDrive | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)

BMW 550e xDrive Coolant Reservoir Cap

The BMW 550e xDrive Coolant Reservoir Cap provides a secure seal that helps hold pressure and keeps fluid contamination-free. This simple advantage yields smoother day-to-day driving and a longer life for engine components. The Coolant Reservoir Cap in every 550e xDrive trim uses a robust spring valve to vent excess force and then draw back the fluid as temperatures cool down, so air isn't able to flow in and cause rust or scale. Because the Coolant Reservoir Cap is either molded plastic or stamped metal, it will shrug off engine vibration and high under-hood heat. Owners appreciate its reliability since BMW quality extends to even small parts. When fitted to the 550e xDrive plug-in hybrid, the Coolant Reservoir Cap enables the dual electric and gasoline mode of the car by preventing the leakage that would reduce efficiency or trigger limp-home modes. It increases safety across the entire BMW range by preventing ethylene glycol from seeping out onto the road and harming the environment. The Coolant Reservoir Cap is compatible with early G60 models as well as the recent 2025 550e xDrive models, so drivers can swap it without any fit or function issues. Each Coolant Reservoir Cap is optimally pressure calibrated by BMW to ensure precise adjustment of the 550e xDrive cooling circuit during high-load acceleration as well as quiet electric cruising. The optional metal version of the Coolant Reservoir Cap adds extra burst-pressure strength for spirited mountain runs, while the lighter plastic version trims grams for those chasing maximum range. Both parts carry the exacting BMW rating. A new Coolant Reservoir Cap can save you a whole lot of money on expensive cooling components. Though it is affordable, it can add an insurance layer on the climate. It helps maintain temperatures so that your 550e xDrive can deliver reliable power, sharp fuel figures, and confident performance all year round. Clearly, BMW doesn't just talk about longevity; it offers it through value.

If you are looking for OEM BMW 550e xDrive Coolant Reservoir 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 550e xDrive Coolant Reservoir Cap that come backed by the manufacturer's warranty.

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