Four Seasons 36571 switch for the 1985-1993 BMW 325 Series and other vehicles is a system-mounted binary pressure switch that monitors pressure in the A/C system.
Weak cooling, or a compressor that cuts out or won't engage, can mean the switch is failing. Before you replace it, rule out low refrigerant, a blown fuse and damaged wiring, and have a shop read the system pressure if you are unsure.
This switch is listed for a wide range of BMW models, including the 1987-1993 BMW 325i and the 1991-1992 BMW 318i.
Gaskets, o-rings or seals for replacing the switch.
Interchange: 1551126 · 64538390971 · 207437 · 11136571 · 19189561 · 801928 · 1711418 · A77437 · 50251 · MT0782 · SW11509C
This part cross-references / interchanges with the following part numbers:
Does the Four Seasons 36571 switch fit the 1985-1993 BMW 325 Series?
Yes, Four Seasons 36571 is listed for the 1985-1993 BMW 325 Series and the 1987-1993 BMW 325i. For other years, models or engines, look up your own car on the Buyer's Guide tab.
Does the Four Seasons 36571 come with gaskets or o-rings?
Yes, the Four Seasons 36571 switch contains gaskets, o-rings or seals for replacing the switch.
Is this binary pressure switch zinc coated?
Yes, this switch is zinc coated to resist corrosion. It is also color coded for easy identification.
How can I tell if this A/C binary pressure switch is going bad?
Poor cooling, or a compressor that cuts out or won't engage, can mean the switch is failing. A shop can test the switch and the system pressure.
Does the 36571 switch cross to SW11509C?
Yes, SW11509C is on this switch's interchange list, so this switch replaces it.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
