Quote:
Originally Posted by haigha
don't know what would happen if you capped all three hoses--the one into it and the two going out--simply removing the heater valve. It might not work though because the coolant could not flow properly  |
I have not looked at the E53 setup-but on my old E34 I cobbled those hoses together with fittings before they went into the regulator. This kept the coolant flowing but bypassed the heater core (which had blown out). You also need to disconnect any wires running to the valves.