03-16-2019, 10:10 AM
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Member
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Join Date: Jun 2014
Location: SA, TX
Posts: 6,474
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Quote:
Originally Posted by FastEddie313
How do these things usually blow?
Do you have time to see steam or any warning before your engine blows a HG or cracks the head if you aren't constantly staring at the temp gauge?
Do you even notice before its too late?
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It depends what E53 you are talking about. High level clusters in equipped cars will give you a low coolant warning likely well before the engine over heats. That's how I caught my expansion tank crack hemorrhage before doing any damage to the N62. From what I have read though, lower equipped M54 vehicles weren't equipped with a coolant level sensor or a light in the cluster to notify of low coolant. Pretty dumb if you ask me as EVERY other BMW I have ever seen has a coolant warning light + sensor at the bare minimum. 
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