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1,6,7,8 - Series and Mini Cooper General Chat related to models that do not fit into particular categories above. Please try to put your discussion in more appropriate sections. This section does cover the 1 Series, MINI Cooper and 8-Series vehicles: BMW 830i, BMW 840Ci, BMW 850i, BMW 850Ci, BMW 850CSi, M8, Alpina B12, BMW CS Concept and others.

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Old 12-12-2004, 10:25 AM   #1 (permalink)
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Hi Everyone!

My 99 740i displayed the "Check Coolant Level". I stopped immediately and the engine was steaming. It has never overheated. I kept adding water/antifreeze every time before driving it.. (1 - 2 liters). When I got a chance to put it on a lift, I discovered where it was leaking/dripping from.. Right in the miiddle. behind the gear box. I was hinted it might be heater core leak?! Radioator was reaplced less than 10k miles ago. Anyone else concurs? I have to put it on a lift again and inspect fully (as I did not get a chance to do that). Anyone else experience the same problem? Here is a poor quality shot from my C-phone. (Those are front wheels)
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Old 12-12-2004, 06:44 PM   #2 (permalink)
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I think for a heater core you better off checking leaks from above if you can see those small hoses going into the firewall check them for leaks anyway.
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Old 12-12-2004, 06:54 PM   #3 (permalink)
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If the coolant is coming from inside the transmission bell housing then you may have a "belly pan" leaking. This is the cover to a coolant channel which runs along the top of the block. Unfortunately to replace the belly pan the intake manifold must be removed.

Not sure if this is the type of leak you are describing but if not its something else to check.

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