Thread: BMW X7 E70 2007 only over heats if heater not at maximum 84 and max fan
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Old 02-27-2024, 08:28 PM
pshovest pshovest is offline
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Sounds like the engine is running very hot and heat released thru heater core prevents the overheating.
Which engine?
Lots of possibilities.
How do you know it's overheating?
Did you bled the cooling system after replacing expansion tank?
Was it OK before replacing exp tank?
Unlock the hidden menu, go to test 7 and report the engine temp.
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