Four Seasons 74914 HVAC Heater Control Valve

BMW Heater Control Valve Replacement

Four Seasons 74914 is a multiple solenoid electronic heater valve for BMW HVAC temperature control systems. It is an OE replacement heater valve built for direct-fit service on a wide range of BMW 5 Series, 6 Series, and 7 Series applications.

Compatible with BMW 640i, 650i, M6, 535i, 550i, 740i, 750i, and ActiveHybrid 7 models, this Four Seasons heater valve helps restore proper coolant flow to the heater core for accurate cabin temperature control. Part number 74914 is also referenced by Gates EHV110 for the same application.

Key Features

• Multiple solenoid electronic heater valve design
• OE replacement for factory-style fit and function
• Four Seasons Heater Valve product line for HVAC temperature control service
• Direct replacement for BMW heater valve applications
• Cross-reference: Gates EHV110

Detailed Description

Four Seasons 74914 is an HVAC heater control valve used to regulate heater core coolant flow in BMW climate control systems. As an OE replacement part, it is built to match the original valve’s role in temperature management, helping maintain consistent heat output and cabin comfort. This part number 74914 is used across multiple BMW platforms, including 640i Gran Coupe, 535i GT, 740Li, and 750Li applications.

The Four Seasons Heater Valve line focuses on replacement components for HVAC temperature control and related systems. For buyers searching for a BMW heater control valve, BMW HVAC heater valve, or Four Seasons 74914 replacement, this part provides a direct service option for vehicles that use an electronic multiple-solenoid valve assembly.

What It Helps Fix

• Weak or inconsistent cabin heat
• Heat stuck on or stuck off
• Uneven temperature control from the HVAC system
• Coolant flow issues through the heater core
• Faulty heater valve operation on BMW climate control systems

Installation Notes and Tips

Verify the original valve style and connector layout before installation. Confirm vehicle application by year, model, and HVAC configuration, especially on BMW 5 Series, 6 Series, and 7 Series vehicles. After installation, check the cooling system for proper operation and inspect for leaks or fault codes related to heater control.

Quality Assurance

Four Seasons 74914 is an OE replacement heater valve designed for service use in BMW HVAC systems. It is built to replace the original heater control valve function with the correct electronic control format for the listed applications.