2003 BMW 540I

  • Tiny
  • SHARNAR
  • 2003 BMW 540i

Engine Cooling problem
2003 BMW 540i V8 Two Wheel Drive Automatic 80000 miles

After installing a new radiater I have to add water every day or so. Their are no leaks. The engine runs fin but you can smell antifreeze.

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Friday, May 8th, 2009 AT 10:58 PM

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  • Tiny
  • Dr Loot
  • Expert
  • 2,332 posts

Did you bleed the air out of the system? And I hope you're not putting regular water in, that is a no-no, distilled water only, now about your coolant smell. You cannot have a coolant smell without a leek, pull up your mats inside your car and tell me if the floor is wet.

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Saturday, May 23rd, 2009 AT 12:48 PM
  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,717 posts

At that mileage it probably needs a valley pan gasket replacement, look under the car at the bell housing, if your leak is there replace the valley pan and inspect/replace the water pump.

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Saturday, May 23rd, 2009 AT 10:30 PM

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