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Bmw msport 525i high pressure in radiator hose. ??
Trying to find a bleed screw mine does not have electric water pump it has Mechanical and can't find bleed screw anywhere how do I get around this and if water bleed process is done incorrectly will it cause excess pressure in the system or am I looking at maybe a head gasket
You probably have the m54 engine, there is no bleed screw for the cooling system. Start the engine, set the climate control to maximum heat setting and fan on lowest setting. Run the engine 10 minutes or so with the expansion tank cap off. You should see a stream of fluid entering the expansion tank in the top front. Shut engine down, let system cool down, top off coolant, reinstall cap, done.