Quote:
Originally Posted by Efthreeoh
Your mechanic doesn't know what he is doing regarding the E90 coolant change. There is no need to run the engine to get the system bled. The system is bled cold using just the electric coolant pump.
Take it to a reputable BMW independent mechanic.
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My mechanic bled the system while the engine was running idle. Would this have been bad for the engine?
I followed the venting procedure this morning (drove it 30 miles yesterday) and noticed that the coolant level was a bit low. Took it to the mechanic who topped off with 1/10 to 1/5 of a gallon of distilled water. Is this ok or will this be a problem because it is no longer 50:50 coolant:distilled water?