2001 BMW 740 Coolant System

Tiny
KELLYGRIDER
  • 2001 BMW 740

2001 BMW 740 130000 miles

My "Check Coolant Level" light keeps coming on but
I am not sure if the car needs to be cold and off when checking it, or cold and running. I can't find
the answer in the manual. Thank you.

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Tuesday, October 5th, 2010 AT 8:22 AM

2 Replies

Tiny
DR. HAGERTY
  • EXPERT
  • 9,737 POSTS

Open the radiator when cold, no need to start it up.

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Tuesday, October 5th, 2010 AT 10:16 AM
Tiny
JINYFOOT
  • MEMBER

If you want to check coolant cold means the car has to stay at least 8 hours these are bmws
also the sensor may has gone it's under the expansion tank pluged in

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Saturday, April 7th, 2012 AT 6:47 PM

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