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The bentley shows the o-ring fitted on the inside of the thermostat as seen on the left.
I replaced my plastic housing with aluminum and the only way it seemed to seal was on the outside as seen to the right (this is in the water pump; housing has not yet been installed).
Is the aluminum housing designed differently?
I am needing to do a cooling system service on my M60.
Haven't looked to see if I have the plastic or aluminum, it may have been changed by the PO. If not, where did you source the aluminum housing from?
the aluminum is a direct replacment for the plastic, the o-ring goes on top of the thermostat
bmaparts.com (or call Peter)Quote:
where did you source the aluminum housing from?