Expansion Valve BMW 1 2 3 4 Series Various Models is a crucial component in the air conditioning system of selected BMW series. This valve regulates the flow of refrigerant entering the evaporator, controlling the pressure and temperature to ensure optimal cooling efficiency within the vehicle’s cabin.
Designed for various models across the BMW 1, 2, 3, and 4 Series, this expansion valve plays a vital role in maintaining the performance of the vehicle’s climate control. When comparing with an existing valve, check for compatibility in terms of series coverage and any model-specific variations to confirm suitability before purchasing.
The bayonet or connector style, along with the valve’s placement in the AC circuit, is important to match the original part. Buyers should verify that this listing corresponds with their vehicle’s exact model and year range or consult a specialist if unsure. Replacing a faulty or worn valve helps restore efficient cooling and prevents strain on the AC compressor.
- Controls refrigerant flow for BMW 1, 2, 3, and 4 Series models
- Essential for proper air conditioning temperature regulation
- Compare with your old valve for fitment compatibility
Need help matching this item to your vehicle? Use VW Golf GTI Red Type, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.





