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View Full Version : Do aluminum housings fitdifferently?



zhandax
01-19-2007, 05:11 AM
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?

RallyD
01-19-2007, 09:06 AM
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?

winfred
01-19-2007, 09:14 AM
the aluminum is a direct replacment for the plastic, the o-ring goes on top of the thermostat

zhandax
01-19-2007, 03:27 PM
where did you source the aluminum housing from?
bmaparts.com (or call Peter)