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      06-17-2012, 01:02 PM   #3
mikekilpatrick
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Drives: 2013 BMW F10 550 Xdrive Msport
Join Date: Mar 2010
Location: Philadelphia (South-NJ)

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BMW does NOT have a service interval for the Coolant, it is a "lifetime" item. I think any body other than dealer would say 5 years or 150k miles. See this article http://www.aa1car.com/library/bmw_co...ice_system.htm

So, in a nutshell, unless there is a mechanical problem with your car that requires replacement of the coolant, it will come out of your pocket.