My Garage
Cart

Genuine BMW 740iL 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).

3 Coolant Reservoir Caps found

  • Diagram for BMW 740iL Coolant Reservoir Cap - 17117639022
    View related parts

    BMW 740iL Radiator Cap

    Part Number: 17117639022
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Cap, Filler Cap, Reservoir Cap
    • Replaces: 17-11-1-742-231
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 1993-2001 BMW 740iL | Sedan(E32), Sedan(E38)
  • Diagram for BMW 740iL Coolant Reservoir Cap - 17111742231
    View related parts

    BMW 740iL Radiator Coolant Overflow Reservoir Expansion Tank Cap Cover

    Part Number: 17111742231
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1 Business Day
    ADD TO CART
    Product Specifications
    • Other Name: Radiator Cap
    • Replaced by: 17117639022
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 1993-1994 BMW 740iL | Sedan(E32)
  • Diagram for BMW 740iL Coolant Reservoir Cap - 17111723117
    View related parts

    BMW 740iL Cap

    Part Number: 17111723117
    $5.20 MSRP: $6.25
    You Save: $1.05 (17%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Bleeder Valve Cap
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 1995-2001 BMW 740iL | Sedan(E38)

BMW 740iL Coolant Reservoir Cap

The BMW 740iL Coolant Reservoir Cap protects the cooling system of this luxury sedan by sealing pressure and preventing coolant contamination to deliver temperature stability you can rely on. The BMW 740iL Coolant Reservoir Cap is available in a strong meshed metal and a heat resistant plastic. It uses the same spring loaded pressure valve that locks to the expansion tank to stop leaks and entry of debris. On spirited drives, the BMW 740iL Coolant Reservoir Cap directs excess fluid into the reservoir during hard driving. Then, as the engine cools, it creates a vacuum that draws antifreeze back so the water pump never inhales air that causes rust or overheating. The smart regulation of pressure and vacuum is a two-way regulation that allows the engine to run at an optimal thermal window, thereby increasing fuel efficiency. Next, due to a tight seal, ethylene glycol does not fall on the road, hence allowing a safe environment. The BMW 740iL Coolant Reservoir Cap is reliable, and the owners report that it will work for many years. The cap should work regardless of whether your 740iL is from the early 4.0 liter era or later 4.4 liter facelift. Since each BMW 740iL Coolant Reservoir Cap has the same pressure rating from the factory, it can be quickly swapped into any long wheelbase variant in any year without further modifications or hassle. The Coolant Reservoir Cap also has a very low weight, but the rugged gasket material can withstand constant heat cycles. This little component's versatility sets it apart in a crowded parts market. By putting together a simple twist lock motion with a precise pressure threshold, the Coolant Reservoir Cap is designed to make coolant checks a clean one-minute job, and young enthusiasts can take care of it confidently.

If you are looking for OEM BMW 740iL 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 740iL Coolant Reservoir Cap that come backed by the manufacturer's warranty.

Related BMW 740iL Parts