Detailed Notes: Thermostat for BMW 320i 323i 323is 325i 325is 328i 328is E36 525i 528i M3 Z3 89. 1999 BMW 528i Base 2.8L 6 Cyl. Notes: Engine Coolant Thermostat -- Temperature: 89?. Product Remark: Start to Open Temperature: 89; For BMW 328i 1999, This item fits the model with Convertible, not Sedan; For BMW 325i 1992, This item fits the model with Engine Code M50; For BMW 325i 1993 & 1995, This item fits the model with Engine Code M50TU.
