HomeHVAC > A/C Flow RestrictorsUniversal Air EX10448C A/C Expansion Valve
Part #: EX10448C

Universal Air EX10448C A/C Expansion Valve

Block Expansion Valve
⚙️ 170 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Block Expansion Valve
🚗Fitment: BMW, 228i, 228i xDrive, 230i, 230i xDrive, 320i, 320i xDrive, 328d, 328d xDrive, 328i, 328i GT xDrive, 328i xDrive, 330e, 330i, 330i GT xDrive, 330i xDrive, 335i, 335i GT xDrive, 335i xDrive, 340i, 340i GT xDrive, 340i xDrive, 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 435i, 435i Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe, 440i, 440i Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe, 520i, 525i, ActiveHybrid 3, M2, M235i, M235i xDrive, M240i, M240i xDrive, M3, M4, and M760i xDrive
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Reliable A/C Expansion Valve for BMW Models

The Universal Air Block Expansion Valve EX10448C is designed to regulate refrigerant flow in your BMW's air conditioning system. Engineered for precise performance, this A/C expansion valve ensures optimal cooling efficiency for various BMW models.

  • Compatible with multiple BMW models including 228i, 320i, 330i, M3, M4, and more
  • Part number EX10448C for accurate identification and fitment
  • Part of the Universal Air Block Expansion Valve product line
  • Controls refrigerant flow to maintain consistent A/C system pressure
  • Designed to meet OEM specifications for reliable HVAC performance

About the Universal Air Block Expansion Valve Line

The Block Expansion Valve line by Universal Air focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line emphasizes compatibility and performance, providing components like the EX10448C that are engineered to fit specific vehicle applications, including a wide range of BMW models. The Block Expansion Valve ensures efficient air conditioning operation by maintaining proper refrigerant metering and system pressure.

Product Details and Compatibility

The EX10448C A/C expansion valve is compatible with numerous BMW vehicles such as the 228i, 230i, 320i, 328i, 330i, 335i, 340i, 428i, 430i, 435i, 440i, 520i, 525i, M2, M3, M4, M235i, M240i, and M760i xDrive models. This valve plays a critical role in the HVAC system by regulating refrigerant flow from the condenser to the evaporator, ensuring the air conditioning system operates efficiently and maintains the desired cabin temperature.

Common Issues Addressed by This Expansion Valve

  • Inconsistent or insufficient cooling performance in BMW A/C systems
  • Refrigerant flow irregularities causing compressor strain
  • HVAC system pressure imbalances leading to inefficient operation
  • Intermittent A/C cycling or failure to maintain set temperatures
  • Potential evaporator freezing or overheating due to faulty valve operation

Installation Notes and Tips

When replacing the EX10448C expansion valve, ensure the A/C system is properly evacuated and recharged by a qualified technician. Verify compatibility with your specific BMW model and engine configuration before installation. Proper handling and installation are essential to avoid refrigerant leaks and maintain system integrity.

Quality Assurance and Warranty

The Universal Air Block Expansion Valve EX10448C is manufactured to meet industry standards and OEM specifications for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure reliable operation within the vehicle's HVAC system.

This part fits 170 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2020BMW230iN/ABlock Expansion Valve
2020BMW230i xDriveN/ABlock Expansion Valve
2020BMW430iN/ABlock Expansion Valve
2020BMW430i Gran CoupeN/ABlock Expansion Valve
2020BMW430i xDriveN/ABlock Expansion Valve
2020BMW430i xDrive Gran CoupeN/ABlock Expansion Valve
2020BMW440iN/ABlock Expansion Valve
2020BMW440i Gran CoupeN/ABlock Expansion Valve
2020BMW440i xDriveN/ABlock Expansion Valve
2020BMW440i xDrive Gran CoupeN/ABlock Expansion Valve
2020BMWM2N/AOE Replacement; Block Expansion Valve
2020BMWM240iN/ABlock Expansion Valve
2020BMWM240i xDriveN/ABlock Expansion Valve
2020BMWM4N/ABlock Expansion Valve
2019BMW230iN/Awith 4 Zone Control; Block Expansion Valve
2019BMW230i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2019BMW330i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2019BMW340i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2019BMW430iN/Awith 4 Zone Control; Block Expansion Valve
2019BMW430i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2019BMW430i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2019BMW430i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2019BMW440iN/Awith 4 Zone Control; Block Expansion Valve
2019BMW440i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2019BMW440i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2019BMW440i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2019BMWM2N/AOE Replacement; Block Expansion Valve
2019BMWM240iN/AOE Replacement; Block Expansion Valve
2019BMWM240i xDriveN/AOE Replacement; Block Expansion Valve
2019BMWM4N/AOE Replacement; Block Expansion Valve
2018BMW230iN/Awith 4 Zone Control; Block Expansion Valve
2018BMW230i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW320iN/Awith 4 Zone Control; Block Expansion Valve
2018BMW320i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW328dN/Awith 4 Zone Control; Block Expansion Valve
2018BMW328d xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW330eN/Awith 4 Zone Control; Block Expansion Valve
2018BMW330iN/Awith 4 Zone Control; Block Expansion Valve
2018BMW330i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW330i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW340iN/Awith 4 Zone Control; Block Expansion Valve
2018BMW340i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW340i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW430iN/Awith 4 Zone Control; Block Expansion Valve
2018BMW430i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2018BMW430i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW430i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2018BMW440iN/Awith 4 Zone Control; Block Expansion Valve
2018BMW440i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2018BMW440i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2018BMW440i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2018BMW520iN/Awith 4 Zone Control; Block Expansion Valve
2018BMWM2N/AOE Replacement; Block Expansion Valve
2018BMWM240iN/AOE Replacement; Block Expansion Valve
2018BMWM240i xDriveN/AOE Replacement; Block Expansion Valve
2018BMWM3N/AOE Replacement; Block Expansion Valve
2018BMWM4N/AOE Replacement; Block Expansion Valve
2018BMWM760i xDriveN/AWithout Solenoid; Block Expansion Valve
2017BMW230iN/Awith 4 Zone Control; Block Expansion Valve
2017BMW230i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW320iN/Awith 4 Zone Control; Block Expansion Valve
2017BMW320i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW328dN/Awith 4 Zone Control; Block Expansion Valve
2017BMW328d xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW330eN/Awith 4 Zone Control; Block Expansion Valve
2017BMW330iN/Awith 4 Zone Control; Block Expansion Valve
2017BMW330i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW330i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW340iN/Awith 4 Zone Control; Block Expansion Valve
2017BMW340i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW340i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW430iN/Awith 4 Zone Control; Block Expansion Valve
2017BMW430i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2017BMW430i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW430i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2017BMW440iN/Awith 4 Zone Control; Block Expansion Valve
2017BMW440i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2017BMW440i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2017BMW440i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2017BMWM2N/AOE Replacement; Block Expansion Valve
2017BMWM240iN/AOE Replacement; Block Expansion Valve
2017BMWM240i xDriveN/AOE Replacement; Block Expansion Valve
2017BMWM3N/AOE Replacement; Block Expansion Valve
2017BMWM4N/AOE Replacement; Block Expansion Valve
2016BMW228iN/Awith 4 Zone Control; Block Expansion Valve
2016BMW228i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW320iN/Awith 4 Zone Control; Block Expansion Valve
2016BMW320i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW328dN/Awith 4 Zone Control; Block Expansion Valve
2016BMW328d xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW328iN/Awith 4 Zone Control; Block Expansion Valve
2016BMW328i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW328i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW330eN/Awith 4 Zone Control; Block Expansion Valve
2016BMW330iN/Awith 4 Zone Control; Block Expansion Valve
2016BMW335i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW340iN/Awith 4 Zone Control; Block Expansion Valve
2016BMW340i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW428iN/Awith 4 Zone Control; Block Expansion Valve
2016BMW428i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2016BMW428i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW428i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2016BMW435iN/Awith 4 Zone Control; Block Expansion Valve
2016BMW435i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2016BMW435i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2016BMW435i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2016BMW520iN/Awith 4 Zone Control; Block Expansion Valve
2016BMWM2N/AOE Replacement; Block Expansion Valve
2016BMWM235iN/ABlock Expansion Valve
2016BMWM235i xDriveN/ABlock Expansion Valve
2016BMWM3N/AOE Replacement; Block Expansion Valve
2016BMWM4N/AOE Replacement; Block Expansion Valve
2015BMW228iN/Awith 4 Zone Control; Block Expansion Valve
2015BMW228i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW320iN/Awith 4 Zone Control; Block Expansion Valve
2015BMW320i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW328dN/Awith 4 Zone Control; Block Expansion Valve
2015BMW328d xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW328iN/Awith 4 Zone Control; Block Expansion Valve
2015BMW328i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW328i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW335iN/Awith 4 Zone Control; Block Expansion Valve
2015BMW335i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW335i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW428iN/Awith 4 Zone Control; Block Expansion Valve
2015BMW428i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2015BMW428i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW428i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2015BMW435iN/Awith 4 Zone Control; Block Expansion Valve
2015BMW435i Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2015BMW435i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2015BMW435i xDrive Gran CoupeN/Awith 4 Zone Control; Block Expansion Valve
2015BMW520iN/Awith 4 Zone Control; Block Expansion Valve
2015BMWActiveHybrid 3N/AOE Replacement; Block Expansion Valve
2015BMWM235iN/ABlock Expansion Valve
2015BMWM235i xDriveN/ABlock Expansion Valve
2015BMWM3N/AOE Replacement; Block Expansion Valve
2015BMWM4N/AOE Replacement; Block Expansion Valve
2014BMW228iN/Awith 4 Zone Control; Block Expansion Valve
2014BMW320iN/Awith 4 Zone Control; Block Expansion Valve
2014BMW320i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW328dN/Awith 4 Zone Control; Block Expansion Valve
2014BMW328d xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW328iN/Awith 4 Zone Control; Block Expansion Valve
2014BMW328i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW328i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW335iN/Awith 4 Zone Control; Block Expansion Valve
2014BMW335i GT xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW335i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW428iN/Awith 4 Zone Control; Block Expansion Valve
2014BMW428i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW435iN/Awith 4 Zone Control; Block Expansion Valve
2014BMW435i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2014BMW520iN/Awith 4 Zone Control; Block Expansion Valve
2014BMWActiveHybrid 3N/AOE Replacement; Block Expansion Valve
2014BMWM235iN/ABlock Expansion Valve
2013BMW320iN/Awith 4 Zone Control; Block Expansion Valve
2013BMW320i xDriveN/Awith 4 Zone Control; Block Expansion Valve
2013BMW328iBase2.0LL4N/Awith 4 Zone Control; Block Expansion Valve
2013BMW328iSport2.0LL4N/Awith 4 Zone Control; Block Expansion Valve
2013BMW328iLuxury2.0LL4N/Awith 4 Zone Control; Block Expansion Valve
2013BMW328iModern2.0LL4N/Awith 4 Zone Control; Block Expansion Valve
2013BMW328iM Sport2.0LL4N/Awith 4 Zone Control; Block Expansion Valve
2013BMW328i xDrive2.0LL4N/Awith 4 Zone Control; Block Expansion Valve
2013BMWActiveHybrid 3N/AOE Replacement; Block Expansion Valve
2012BMW320iN/Awith 4 Zone Control; Block Expansion Valve
2012BMW328i2.0LL4N/Awith 4 Zone Control; Block Expansion Valve
2010BMW525iN/Awith 4 Zone Control; Block Expansion Valve
2009BMW525iN/Awith 4 Zone Control; Block Expansion Valve
2008BMW525iN/Awith 4 Zone Control; Block Expansion Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.