Originally Posted by robertobaggio20
I doubt rubber gaskets expand when heated. They are not made of metal.
More basics for you bobby.... http://en.wikipedia.org/wiki/Thermal_expansion
Also consider that the metals that are seperated by the gasket expand, sealing gaps. This really is quite common bobby.
Current ride... '13 GTI Wolfsburg
BMW's from my past...
'92 535i/5 '89 325ix/5
'98 750iL '86 325(e)/5
'95 740iL '84 318i/5