BMW Questions? Ask a BMW Repair Expert for Answers.
the answer to your question is yes. this could be a clogged radiator or other flow restriction
I would also suggest having the cooling system tested for a blown head gasket, just in case.
also make sure the fans are operating properly.
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most of these cars have one mechanical fan and one electric fan. there is next to no chance one is missing or you would have much bigger issues.
it could vary by bulid date, however. the vin would need to be run to verify. again next to no chance anyting is missing
if you have an electric fan and no room for a mechanical one, then you never had a mechanical one.
just make sure the electric one is working
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