How to remove and install a A/C Accumulator,A/C Compressor,A/C Condenser,A/C Evaporator Core and A/C Expansion Valve on BMW 325i?

For A/C system maintenance on a BMW,Discharge and recover refrigerant at a certified shop. Heater Assembly: Remove, access A/C evaporator core by detaching necessary parts, and reinstall. Remember to replace the A/C accumulator. Cowl Trim Panel: Remove and replace caps as required. Ensure replacement of damaged seals to prevent leaks. Cabin Air Filter: Remove, access, and manage components behind the engine, including the expansion valve. Replace used seals. A/C Accumulator: Replace under certain conditions like system contamination, replacements of major components, or extended exposure. Condenser: Detach, replace desiccant sack in the new insert, and reinstall. Compressor (3.0L & 2.0L): Remove by detaching necessary components, including thermostat (for 3.0L). Note: Refill with proper refrigerant oil during reinstallation. Sensors: Gently remove from their locations, either from the instrument panel, engine compartment, or heater housing. Replace as per original setup. Pressure Sensor: Located on the left refrigerant line, remove after refrigerant discharge, and reinstall. Ensure tight connection. Condenser: Situated before the radiator, remove by detaching related components, and reattach. A/C Evaporator Core: Access by removing the passenger-side intake duct and associated parts. Reinstall securely. Always use professional services for A/C tasks due to their technical nature.

Genuine BMW 325i A/C Expansion Valve

Air Conditioning Expansion Valve

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7 A/C Expansion Valves found

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BMW 325i Expansion Valve
Part Number: 64118362851
$186.77 MSRP: $226.50
You Save: $39.73 (18%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: 64-11-1-393-214, 64-11-8-390-612, 64-11-8-390-157, 64-11-1-380-506
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
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BMW 325i Expansion Valve
Part Number: 64503452759
$165.27 MSRP: $226.29
You Save: $61.02 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: 64-11-6-981-100, 64-11-9-135-745, 64-11-6-904-437
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan M56 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon M56 Engine(E46), Wagon(E46)
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BMW 325i Expansion Valve
Part Number: 64119226078
$165.27 MSRP: $226.29
You Save: $61.02 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 64-11-6-981-484, 64-11-6-934-406, 64-11-9-182-512
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i Expansion Valve
Part Number: 64118384379
$186.77 MSRP: $226.50
You Save: $39.73 (18%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 64-11-8-372-436
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
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BMW 325i Expansion Valve
Part Number: 64119182512
$165.27 MSRP: $226.29
You Save: $61.02 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 64119226078
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i Expansion Valve
Part Number: 64518391209
$175.25 MSRP: $212.53
You Save: $37.28 (18%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 64-51-1-468-474, 64-51-1-372-503
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)
View related parts
BMW 325i Expansion Valve
Part Number: 64511466259
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)

BMW 325i A/C Expansion Valve

The BMW 325i A/C Expansion Valve controls the flow of refrigerant so that cabin temperature is set to the required temperature even when driving or idling. By utilizing internal moving parts connected to a temperature sensor, the A/C Expansion Valve decreases high side pressure into the cool low pressure mist prior to reaching the evaporator. This prevents the compressor from cycling erratically and forming ice. Earlier 325i models shared this adjustable metering design, while some other cars relied on fixed orifice tubes. However, in every BMW 325i, the A/C Expansion Valve style is variable and self-modulating. This setup provides more constant cooling in traffic, improved humidity control, and protection against damaging pressure spikes to the compressor, which can be felt by drivers when their gauge readings remain stable. Modern replacements still adhere to the original variable valve blueprint, with tiny filter screens added to trap debris. However, the core duty of the A/C Expansion Valve, separating high and low sides and metering refrigerant, has remained constant across BMW 325i years. When the A/C Expansion Valve becomes stuck or unbalanced, any BMW 325i can be at risk of experiencing temperature swings, weak airflow at idle, or even a frozen evaporator, with the compressor at risk of being damaged.

If you are looking for OEM BMW 325i A/C Expansion Valve, 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 325i A/C Expansion Valve that come backed by the manufacturer's warranty.

BMW 325i A/C Expansion Valve Parts Questions & Experts Answers

Expansion Valve
64119182512
Q:
How to remove and install a A/C Accumulator,A/C Compressor,A/C Condenser,A/C Evaporator Core and A/C Expansion Valve on BMW 325i?
Posted by Gustavo P.
A:
For A/C system maintenance on a BMW,Discharge and recover refrigerant at a certified shop. Heater Assembly: Remove, access A/C evaporator core by detaching necessary parts, and reinstall. Remember to replace the A/C accumulator. Cowl Trim Panel: Remove and replace caps as required. Ensure replacement of damaged seals to prevent leaks. Cabin Air Filter: Remove, access, and manage components behind the engine, including the expansion valve. Replace used seals. A/C Accumulator: Replace under certain conditions like system contamination, replacements of major components, or extended exposure. Condenser: Detach, replace desiccant sack in the new insert, and reinstall. Compressor (3.0L & 2.0L): Remove by detaching necessary components, including thermostat (for 3.0L). Note: Refill with proper refrigerant oil during reinstallation. Sensors: Gently remove from their locations, either from the instrument panel, engine compartment, or heater housing. Replace as per original setup. Pressure Sensor: Located on the left refrigerant line, remove after refrigerant discharge, and reinstall. Ensure tight connection. Condenser: Situated before the radiator, remove by detaching related components, and reattach. A/C Evaporator Core: Access by removing the passenger-side intake duct and associated parts. Reinstall securely. Always use professional services for A/C tasks due to their technical nature.
Answered by BMW Parts Specialist Blaine / Feb 04, 2025