Universal Air EX10451C A/C Expansion Valve - Front

Brand	Universal Air EX10451C
Position	Front
Product line	Block Expansion Valve
Fits	BMW · 60 vehicles

Block expansion valve. Regulates refrigerant flow in the A/C system.

Universal Air HVAC flow restrictor for air conditioning service.

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Universal Air EX10451C Block Expansion Valve

The Universal Air EX10451C is a front A/C expansion valve for BMW vehicles equipped with 4 Zone Control and rear A/C. This block expansion valve helps regulate refrigerant flow through the HVAC system for consistent cabin cooling performance.

Key Features

Brand: Universal Air Block Expansion Valve line
Part number: EX10451C
Front position application
For BMW models with 4 Zone Control and rear A/C
Direct-fit A/C flow restrictor for the HVAC system

Fitment Details

Fits 2012-2016 BMW ActiveHybrid 5, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2011-2015 BMW 740i, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2015 BMW 740Ld xDrive, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2011-2015 BMW 740Li, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2013-2015 BMW 740Li xDrive, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2009-2015 BMW 750i, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2010-2015 BMW 750i xDrive, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2009-2015 BMW 750Li, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2010-2015 BMW 750Li xDrive, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2009-2015 BMW 760Li, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2013-2015 BMW ActiveHybrid 7, front; fits vehicles with 4 Zone Control and Rear A/C.
Fits 2010 BMW 740i, front; compatible with rear A/C.

What This Part Helps Address

Uneven cabin cooling from restricted refrigerant control
Weak A/C performance at the front HVAC circuit
Incorrect refrigerant metering in the expansion valve circuit
Loss of cooling efficiency in BMW 4-zone climate systems
Service replacement for a worn or malfunctioning block expansion valve

Installation Notes

Verify the vehicle’s HVAC configuration before ordering, especially 4 Zone Control and rear A/C equipment. Confirm the front position and compare the original valve layout to the EX10451C before installation. For BMW 740i, 740Li, 750i, 750Li, 760Li, ActiveHybrid 5, and ActiveHybrid 7 applications, match the part to the exact model year and climate-control setup listed above.

Quality Assurance

Universal Air’s Block Expansion Valve line is built for HVAC service applications where accurate refrigerant flow control is required. Part number EX10451C is cataloged for the BMW fitments shown here, including 2009-2016 BMW 7 Series and ActiveHybrid applications with rear A/C and 4-zone control.

This part fits 60 vehicles

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

Year	Make	Model	Submodel	Liters	Cylinders	Fuel Type	Position	Notes
2016	BMW	ActiveHybrid 5	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	740i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	740Ld xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	740Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	740Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	750i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	750i xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	750Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	750Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	760Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	ActiveHybrid 5	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2015	BMW	ActiveHybrid 7	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	740i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	740Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	740Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	750i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	750i xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	750Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	750Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	760Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	ActiveHybrid 5	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2014	BMW	ActiveHybrid 7	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	740i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	740Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	740Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	750i	Base	4.4L	V8	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	750i xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	750Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	750Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	760Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	ActiveHybrid 5	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2013	BMW	ActiveHybrid 7	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	740i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	740Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	750i	ActiveHybrid	4.4L	V8	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	750i	Base	4.4L	V8	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	750i xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	750Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	750Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	760Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2012	BMW	ActiveHybrid 5	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	740i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	740Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	750i	ActiveHybrid	—	—	ELECTRIC/GAS	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	750i	Base	—	—	GAS	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	750i xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	750Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	750Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2011	BMW	760Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2010	BMW	740i	—	—	—	—	Front	Compatible with rear A/C.; Block Expansion Valve
2010	BMW	750i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2010	BMW	750i xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2010	BMW	750Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2010	BMW	750Li xDrive	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2010	BMW	760Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2009	BMW	750i	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2009	BMW	750Li	Base	4.4L	V8	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2009	BMW	750Li	Limited Edition	4.8L	V8	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2009	BMW	750Li	Sport Limited Edition	4.8L	V8	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
2009	BMW	760Li	—	—	—	—	Front	Fits vehicles with 4 Zone Control and Rear A/C.; Block Expansion Valve
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