My Garage
Cart

Genuine BMW XM Coolant Reservoir Cap

Coolant Overflow Reservoir Cap
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Vehicle by Model
Series
Model
Year
or
Select Vehicle by VIN
For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

2 Coolant Reservoir Caps found

  • Diagram for BMW XM Coolant Reservoir Cap - 17117639021
    View related parts

    BMW XM Engine Coolant Expansion Tank Cap

    Part Number: 17117639021
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1 Business Day
    ADD TO CART
    Product Specifications
    • Other Name: Expansion Tank Cap; Cap, Radiator Cap, Reservoir Cap
    • Position: Driver Side
    • Replaces: 17-13-7-516-004
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2023-2025 BMW XM | 8 Cyl 4.4 L PLUG-IN HYBRID EV-GAS (PHEV)
  • BMW XM Coolant Reservoir Cap - 17135A1BD89
    Diagram for BMW XM Coolant Reservoir Cap - 17135A1BD89
    View related parts

    BMW XM 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:
    • 2023-2025 BMW XM | 8 Cyl 4.4 L PLUG-IN HYBRID EV-GAS (PHEV)

BMW XM Coolant Reservoir Cap

The BMW XM Coolant Reservoir Cap provides dependable pressure control, keeping hot coolant sealed and the powertrain operating at peak performance. When a luxury crossover is crossing a mountain pass or gliding through traffic every day, the Coolant Reservoir Cap ensures the closed loop is not exposed to air and dirt that can corrode the internal passages. Excess fluid is released into the expansion tank through the use of pressure locking, which takes place until a specific threshold is reached. The BMW Coolant Reservoir Cap works to prevent temperature fluctuations while increasing combustion efficiency and mitigating ethylene glycol spills. Returning coolant is drawn back without taking in oxygen, and this vacuum action means no rust flakes will circulate to delicate pumps. Owners can choose from a robust metal and lightweight plastic Coolant Reservoir Cap. The metal design is tougher and more durable in high heat with extra framing. The plastic option shaves a few ounces and is corrosion-resistant. Both twist on with the same rating and gasket profile. The Coolant Reservoir Cap is a direct fitment replacement part across the 2023 and 2025 production years of the BMW XM range. This includes the standard XM, the performance-focused XM Label Red, and future trims. Furthermore, it will restore factory specs within minutes. The steady pressure in the system allows the twin-turbo V8, electric motor, and battery pack to work together smoothly, so acceleration doesn't become dull and cabin climate control doesn't suffer. In the XM chassis, the BMW cooling circuit depends on an intact Coolant Reservoir Cap. The synergy is even more pronounced. Genuine BMW materials, seals, and quality checks make the part leak-free for years. According to owners, installing a genuine part is a small price to pay to protect a sizable hybrid drivetrain. Due to tight tolerances and rigorous testing in the factory, the BMW Coolant Reservoir Cap meets the famed BMW durability standard. It also accentuates the sporty character that makes every XM special.

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

Related BMW XM Parts