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Old 01-05-2013, 09:07 AM
c3uo c3uo is offline
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Location: Canada
Join Date: Jul 2006
Posts: 70
Mein Auto: Audi
Just so everyone knows, I have read a few articles (see Motor Trend long term test) where the capacity increases due to expansion in the hoses, etc. Seems completely normal (but unique to BMW).

So in summary, watch your coolant level and expect to add 1 litre between 15,000 and 20,000 miles.
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