My Garage
Cart

Genuine BMW 740i xDrive 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 740i xDrive Radiator Cap - 17117639020
    View related parts

    BMW 740i xDrive Radiator Cap

    Part Number: 17117639020
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Screw Cap For Expansion Tank; Cap, Reservoir Cap
    • Replaces: 17-11-7-521-071
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2017-2022 BMW 740i xDrive | 6 Cyl 3.0 L GAS, Sedan(G12)
  • BMW 740i xDrive Radiator Cap - 17135A1BD89
    Diagram for BMW 740i xDrive Radiator Cap - 17135A1BD89
    View related parts

    BMW 740i 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:
    • 2017-2022 BMW 740i xDrive | 6 Cyl 3.0 L GAS, Sedan(G12)

BMW 740i xDrive Radiator Cap

The Radiator Cap of BMW 740i xDrive ensures performance and reliability of the engine over time. This component is critical in pressurizing engine coolant and protecting engine temperatures from overheating. A uniform black cap with the BMW logo and silver rim has been designed for use in models of 740i xDrive made between 2017 and 2020. The Radiator Cap covers the opening of the radiator neck and retains about 16 PSI on the cooling system, which raises the boiling point of the coolant while also improving the efficiency of the cooling system. The Radiator Cap is a spring-loaded device that seals the radiator tightly. The cap opens quickly when pressure builds up and directs this hot coolant to the overflow tank. When the pressure drops, it allows the coolant to return to the system. Thus, the cap ensures that the volume of the coolant within the system is constant. The BMW 740i xDrive's self-regulating characteristic enables it to maintain a consistent engine temperature under all driving conditions, which is important for performance and safety. The Radiator Cap also facilitates a controlled pressure release for coolant or gas. This protects the engine from damage due to boil-over or excessive pressure. The design is the same for all 740i xDrive installations. The Radiator Cap for BMW 740i xDrive is well-known because of its effective performance and sturdy build. It is a crucial part in the overall performance of BMW 740i xDrive and offers high durability. BMW is committed to innovative adherence and world-class quality, as evidenced by the BMW 740i xDrive Radiator Cap, which enhances engine efficiency and safety.

If you are looking for OEM BMW 740i xDrive 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 740i xDrive Radiator Cap that come backed by the manufacturer's warranty.

Related BMW 740i xDrive Parts