Switch power to your climate-control components on command with the Four Seasons relay, part number 36205. This standard relay is cataloged as an A/C compressor control relay, an HVAC blower motor relay and an HVAC relay. It fits many vehicles, among them the 1988-2007 BMW M5, 2006-2008 BMW 323i and 1988-2006 BMW M3, and it is a direct-fit replacement for the listed BMW and MINI applications.
A relay is an electrically operated switch. A small control signal energizes it, and its contacts then open or close a higher-current circuit. Four Seasons lists this unit for A/C compressor control, blower motor and general HVAC relay duty.
- Precision engineered: Built for vehicle-specific applications.
- OE-style molded connectors: Connects through molded connectors styled after the original equipment.
- Quality contacts: Designed to provide proper conductivity through the switched circuit.
- Engineered and tested: Developed by Four Seasons, which has more than 50 years of mobile A/C experience.
Signs this relay may need replacing include an A/C compressor that won't engage, or a blower motor that won't run or cuts in and out. Fuses, wiring and switches can cause the same symptoms, so diagnose the circuit before you replace the relay. See the "Vehicles it fits" section for the full list of applications and engine details.
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Frequently Asked Questions
What does the Four Seasons 36205 relay do?
It is an electrically operated switch that lets a low-current control signal turn a higher-current HVAC circuit on and off. It is cataloged as an A/C compressor control relay, HVAC blower motor relay and HVAC relay.
Is this the right M5 relay for a 1988-2007 BMW M5?
Four Seasons 36205 is listed for the 1988-2007 BMW M5. It also fits the 2006-2008 BMW 323i and 1988-2006 BMW M3. Check the "Vehicles it fits" section to confirm your exact vehicle.
What are the signs of a failing HVAC relay?
Possible signs include an A/C compressor that won't engage, or a blower motor that won't run or cuts in and out. Fuses, wiring and switches can cause the same symptoms, so diagnose the circuit before replacing the relay.
How does this relay connect to the vehicle?
It uses OE-style molded connectors. Consult your vehicle's service information for the relay's location and the correct removal and installation procedure.
What features does the Four Seasons 36205 have?
It is precision engineered for vehicle-specific applications and has quality contacts designed for proper conductivity. It is backed by Four Seasons' more than 50 years of mobile A/C experience.
