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Discussion Starter · #1 ·
Is the only thing that seals the thermostat cover (up to 9/98 build date) are the two O-rings (one on the thermostat and the other odd shaped one). I did not have gasket that follows the outside curvature of the housing. A new housing does not have outside gasket build in does it?

Thanks,

Mike
 

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same design

Replacement housings (aluminum) use the same design, and you need to buy that odd shaped gasket seperately. (at least i did)

-Jim
 

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Discussion Starter · #4 ·
I did not really get an answer but from looking at parts fische and manuals I figured it was this way. I did not have any other gaskets than those mentioned above. I installed the BMW OEM cover and thermostat and have no leaks.

Thanks,

Mike
 
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