Coolant Expansion Tank 17138677649 17138617044 FEBI 225232 for BMW 1 2 3 4 Series X1 X3 B38 B48 B58

Product Name: Coolant Expansion Tank / Coolant Reservoir / Radiator Overflow Tank

OE Reference: 17138677649

Interchange Number: 17138617044

Aftermarket Brand: FEBI

Brand Part Number: 225232

Vehicle Brand: BMW

Product Features:

• Coolant expansion tank for the engine cooling system
• Integrated coolant level sensor
• 2-pin electrical connector
• Expansion tank cap not included

Product Function:

The coolant expansion tank stores engine coolant and accommodates changes in coolant volume as the engine heats up and cools down. The integrated level sensor helps monitor the coolant level in the reservoir.

Potential Vehicle Applications:

BMW 1 Series:

• F20 / F21 — selected 120i, 125i, M140i models

BMW 2 Series:

• F22 / F23 — selected 230i, M240i models

BMW 3 Series:

• F30 / F31 / F34 — selected 330i, 340i models

BMW 4 Series:

• F32 / F33 / F36 — selected 430i, 440i models

Additional BMW applications may be available depending on chassis, engine, and production date.

Engine Compatibility:

• B38 — selected 1.5L three-cylinder gasoline engines
• B46 — selected 2.0L four-cylinder gasoline engines
• B48 — selected 2.0L four-cylinder gasoline engines
• B58 — selected 3.0L six-cylinder gasoline engines

Application Period: Approximately 2014–2021, depending on model and engine configuration.

Important Fitment Information:

The vehicle and engine applications above are preliminary references. Compatibility varies by chassis, production date, engine configuration, and cooling system specification.

Please verify OE reference 17138677649 or 17138617044 against the vehicle VIN before ordering. Check the electrical connector and reservoir configuration before purchase.

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