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      06-17-2012, 02:21 PM   #4
Efthreeoh
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Drives: E90 & Z4 Coupe
Join Date: May 2012
Location: MARLAND

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Quote:
Originally Posted by mikekilpatrick View Post
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.
Yes they do have a recommended interval. It's 100,000 miles. It's in the maintenance manual.