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Roger, BMW Master Tech
Category: BMW
Satisfied Customers: 3045
Experience:  10 yrs. experience as BMW Master Technician, shop foreman and dealer.
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328i: 1996 BMW 328i. Pressure seems to be building up in the

Customer Question

1996 BMW 328i. Pressure seems to be building up in the expansion tank with a corresponding loss of coolant. Today pressure hissed out of the radiator cap for a few minutes after turning off. No apparent overheating, engine temp is normal, oil looks normal.
Submitted: 2 years ago.
Category: BMW
Customer: replied 2 years ago.
I can't recall my password ***** your return email is not in my email or spam
Customer: replied 2 years ago.
so how can i get an answer
Customer: replied 2 years ago.
have submitted question above but can't see how I can get an answer
Expert:  Steve replied 2 years ago.
What diagnostics exactly have been carried out?