Picked up my 320i after the engine swap last Wednesday and it's faster than I ever imagined - I might just leave it as an Eta as I love the way it delivers huge torque from idling speed. It's stupendously fast!
One thing worrying me is that the cooling system seems to hold pressure for a long time, even after it has had a few hours to cool down.
It's had a new water pump and thermostat and warms up and holds the correct temp, the heater blows warm air.
I've bled the system but this morning I drove to work. I went to check it a couple of hours later and the pipes were still rock hard.
I slowly undid the cap and it expelled some air but then wanted to force coolant out - Is this normal????
Cooling system pressure
Moderator: martauto
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jay528ise1985
- E30 Zone Newbie
- Posts: 101
- Joined: Sun Feb 06, 2005 11:00 pm
- Location: Colchester, Essex
1989 BMW 320i 2.7 2 door saloon
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votivequagmire
- E30 Zone Regular
- Posts: 428
- Joined: Wed May 24, 2006 11:00 pm
- Location: Swansea, South Wales.
Sounds like you may have an air lock or the expansion tank cap is not working correctly. It does allow some high pressures to escape when hot.
'88 325i M20, could've done with a sunroof.