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I have a 1989 (F) BMW 520i 2.0ltr 4dr Saloon.
I had the head gasket blow for which I had repaired but unfortunately about 6 weeks later it went again.
The oil system was saturated with coolant/water giving a milkshake like substance throughout, naturally this is the cause of the overheating.
In your opinion, is this a cracked cylinder head or can there be other underlying causes?
Please help.
Many thanks in aticipation