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Old 10-04-2012, 03:35 PM   #7
Mango
e46mango.com
 
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Join Date: Mar 2006
Location: Southern California
Posts: 25,725
My Ride: 2016 Lexus
Yes you should be worried. Rolling the dice every time you start your car. Comes down to how lucky you feel. your low coolant light came on for a reason. your expansion tank has a crack on it. pressure drop test wont reveal anything if your car is cool. once up to temp, crack expands and water comes out
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