My Garage
Cart

Genuine BMW M340i xDrive 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).

4 Coolant Reservoir Caps found

  • Diagram for BMW M340i xDrive Coolant Reservoir Cap - 17138665638
    View related parts

    BMW M340i 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:
    • 2020-2025 BMW M340i xDrive | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G20)
  • Diagram for BMW M340i xDrive Coolant Reservoir Cap - 17128515062
    View related parts

    BMW M340i xDrive Cap

    Part Number: 17128515062
    $8.25 MSRP: $9.24
    You Save: $0.99 (11%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2020-2025 BMW M340i xDrive | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G20)
  • BMW M340i xDrive Coolant Reservoir Cap - 17117639024
    Diagram for BMW M340i xDrive Coolant Reservoir Cap - 17117639024
    View related parts

    BMW M340i xDrive Cover Lid

    Part Number: 17117639024
    $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
    • Replaced by: 17135A1BD89
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2020 BMW M340i xDrive | Sedan(G20)
  • BMW M340i xDrive Coolant Reservoir Cap - 17135A1BD89
    Diagram for BMW M340i xDrive Coolant Reservoir Cap - 17135A1BD89
    View related parts

    BMW M340i 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:
    • 2020-2025 BMW M340i xDrive | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G20)

BMW M340i xDrive Coolant Reservoir Cap

The BMW M340i xDrive Coolant Reservoir Cap is designed to offer reliable seal integrity that protects engine temperatures during every surge of acceleration. This is a must for every M340i xDrive enthusiast. The Coolant Reservoir Cap is trusted across multiple production years. Therefore, the M340i xDrive's turbocharged inline six can run cooler, stronger, and longer at factory pressure levels. The Coolant Reservoir Cap is fitted on an M340i xDrive sedan (2020, 2021, 2022, or newer) and works perfectly. Its precision threads and calibrated spring immediately restore the closed loop needed for sync with the BMW cooling system. Drivers like the way a quick twist of the Coolant Reservoir Cap traps the superheated fluid and prevents slippery leaks that can hurt wildlife and dust that causes corrosion. The Coolant Reservoir Cap comes with a choice of construction: a weight-saving plastic shell or a sturdy metal shell. Both options are clever, using the same pressure valve to release excess heat only when the thermostat is settled. Due to its design, the Coolant Reservoir Cap releases air bubbles back into the overflow chamber, which prevents water pump cavitation. It also ensures that cabin heaters remain warm in winter commutes, which safeguards vital BMW components from heat soak. Hence, this small part improves the safety of the vehicles and reduces the chance of unexpected temperature spikes that can cause limp mode to activate as the M340i xDrive exits a corner. The BMW M340i xDrive is a vehicle that enjoys steady temperature management due to a leak-free system, and this is all thanks to the faultless functionality of the Coolant Reservoir Cap. Consequently, every ride in the M340i xDrive would be worry-free. This reliable BMW hardware serves as proof that small parts can deliver big benefits, a shared feature across the wider BMW range that ensures the brand's character remains alive for miles to come. Regularly replacing the Coolant Reservoir Cap ensures optimal performance when the mileage is high.

If you are looking for OEM BMW M340i 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 M340i xDrive Coolant Reservoir Cap that come backed by the manufacturer's warranty.

Related BMW M340i xDrive Parts