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Old 09-19-2012, 05:54 AM   #572
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Join Date: Aug 2006
Location: NJ
Posts: 23,174
My Ride: '99 328i 300K miles
Quick comment about the advice above to drain the ET to reseat the cooling level sensor...

Not necessary at all...the sensor sits in a dry part of the tank. No coolant will come out from sensor hole. It only rotates 90 degrees to get tight...iirc...maybe 180 degress...but it doesn't 'turn' a full rotation.
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