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Old 12-05-2012, 09:19 PM   #1
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Join Date: Jun 2011
Location: Manalapan, NJ
Posts: 45
My Ride: 2001 330xi
Heater up to 80 deg + idling = Expansion Tank Failure??

So I just got done throwing down $2200 on new front brakes, rotors, front axles, tires and alignment.

When I picked up the car THIS MORNING from my mechanic, the heater seemed to be all the way up to 80, when I normally leave it at 68 or so. Well, I drove to work, and then back, and was idling in a parking lot waiting for a friend, and notice smoke coming out of the engine bay. I immediately shut off the car, get out, and notice there is fluid splattering all over the ground and spewing out from the bottom of the expansion tank (I think). Could the shop have done anything to provoke the failure?

I'm at 105k miles and I'm not sure if it's ever been replaced. It's very possible that it has before since I remember a few years ago the coolant light came on intermittently when it belonged to my dad.

Last edited by OUTATIME; 12-05-2012 at 09:20 PM.
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