My Garage
Cart

Genuine BMW XM Radiator Cap

Cooling Radiator 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 Radiator Caps found

  • Diagram for BMW XM Radiator 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 Radiator Cap - 17135A1BD89
    Diagram for BMW XM Radiator 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 Radiator Cap

The BMW XM Radiator Cap is the optimal of cooling system parts that does not let the right pressure escape at any cost. This ensures the engine heat does not spoil the thrill of the drive. By maintaining a pressure of roughly sixteen PSI, the function of the Radiator Cap is to elevate the boiling point of the coolant. This enables the large hybrid V8 to work hard without the risk of steam or waste. When pressure rises above that mark, the Radiator Cap spring opens, sending excess fluid into the overflow tank, then reseals to pull it back later. This two-way action keeps the circuit full and prevents air pockets. The radiator orbital ensures a solid cycle for maximum efficiency and safety. A healthy Radiator Cap prevents overheating from robbing BMW power or damaging seals. All BMWs in the XM family use the same single-stage Radiator Cap. So owners of the standard XM, XM Label Red, or any future XM trim possess the same confidence with no confusing parts hunt. The Radiator Cap is made of a mix of high-strength composite and durable metal which resists any corrosion. It holds its calibration for years, making it a reliable component in the BMW performance catalog as well as every engine bay. The plug-in drive requires unique thermal management from the battery, turbochargers, and electric motor. Therefore, the Radiator Cap protects the volume of coolant so there is a balance between energy recovery and combustion power. The device installs in seconds with a reassuring click, and the yellow warning graphic provides a visual feature aimed cleverly at the young driver, who will be able to see the hot zone before opening it. Generally speaking, the Radiator Cap may seem small but it is proven to be crucial in achieving BMW's endurance capabilities during track days, day-to-day driving, or long-distance electric drives, alongside an adaptive suspension and xDrive traction. When you select BMW hardware, you can count on the proven XM cooling setup for smooth power, stable temps, and peace of mind.

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

Related BMW XM Parts