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Genuine BMW 228 xDrive Gran Coupe Coolant Reservoir Cap

Coolant Overflow Reservoir Cap
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2 Coolant Reservoir Caps found

  • BMW 228 xDrive Gran Coupe Coolant Reservoir Cap - 17135A1BD89
    Diagram for BMW 228 xDrive Gran Coupe Coolant Reservoir Cap - 17135A1BD89
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    BMW 228 xDrive Gran Coupe SCREW PLUG, EXPANSION TANK

    Part Number: 17135A1BD89
    $23.00 MSRP: $34.96
    You Save: $11.96 (35%)
    Ships in 1-3 Business Days
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    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:
    • 2025 BMW 228 xDrive Gran Coupe | 4 Cyl 2.0 L GAS
  • BMW 228 xDrive Gran Coupe Coolant Reservoir Cap - 46638551936
    Diagram for BMW 228 xDrive Gran Coupe Coolant Reservoir Cap - 46638551936
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    BMW 228 xDrive Gran Coupe SNAP-LOCK COUPLING

    Part Number: 46638551936
    $4.56 MSRP: $5.58
    You Save: $1.02 (19%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Reservoir Cap, Reservoir Grommet
    • Warranty: This genuine part is guaranteed by BMW's factory warranty.
    Fits the following Vehicles:
    • 2025 BMW 228 xDrive Gran Coupe | 4 Cyl 2.0 L GAS

BMW 228 xDrive Gran Coupe Coolant Reservoir Cap

The BMW 228 xDrive Gran Coupe Coolant Reservoir Cap seals off pressurized coolant to keep the turbocharged engine operating at the ideal temperature under daily traffic or spirited drives. Beyond generating closure, this Coolant Reservoir Cap prevents debris and moisture from entering the system as well as corrosive air that can cause leaks in the already fine-tuned cooling passages. The 228 xDrive Gran Coupe's cap features a sturdy threaded fastening and built-in gasket seal that securely fit onto the expansion tank. Within this sealed loop, heated fluid moves onwards into the overflow chamber before being sucked back as the system cools. This self-acting process purges air pockets and maintains consistent pressure. Whether fitted to a 2020 launch edition or the current production 228 xDrive Gran Coupe, compatibility is absolute since the pressure rating of both the metal and lightweight plastic versions was standardized by BMW engineers. As a result, you can change styles at will without concern about fit or performance. The Coolant Reservoir Cap is a small but decisive contributor to the renowned balance of efficiency and safety for all the 228 xDrive Gran Coupe on the road. This prevents spills that might damage paintwork or cause environmental hazards. It also ensures aluminum blocks and hoses do not get rust formed by oxygen. You can tell it will be utterly reliable, and this was proven on thousands of miles where the temperature needles stay steady despite steep climbs or freezing commutes. BMW recognizes that the Coolant Reservoir Cap will only breathe when calibrated pressure is reached, enabling the safeguard of the 228 xDrive Gran Coupe lineup to function as designed. Routine inspections often show that a new Coolant Reservoir Cap can restore the cooling efficiency lost through the failure of other parts more quickly than expensive parts can. This is partly testimony to how smart BMW design is. Since the Coolant Reservoir Cap threads in seconds, a spare Coolant Reservoir Cap in your trunk gives you inexpensive peace of mind for any BMW enthusiast.

If you are looking for OEM BMW 228 xDrive Gran Coupe 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 228 xDrive Gran Coupe Coolant Reservoir Cap that come backed by the manufacturer's warranty.

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