Why did I loose fluid and had to have costly repairs

Asked by Aug 14, 2017 at 06:35 PM about the 2003 BMW 3 Series 325i

Question type: Maintenance & Repair

Car wouldn't start.  Repair shop put in a new ews control unit and new key.  
After that lost fluid and expansion tank,thermostat, radiator cap and water
hose was replaced.  Then couldn't start the car again.  Took it back they had
to recalibrate the ews control unit.  Could the miscalibration cause the
breakdown of the cooling system that had to be replaced?

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