I would not believe what they told you. Of all the vehicles I have owned (dozens) there were only a few that needed topped-up coolant and they either: a) had a leak, or b) had the coolant system serviced (e.g. flushed) and some trapped air made its way to the tank. The system is closed and there should be no reason to have to add coolant/H20 mixture (there should zero evaporation).
Originally Posted by Jen4BMW
My low coolant light came on at 8500 miles. Drove to the dealer and they topped me off no charge. Dealer said that this is a common issue due to the temp these engines run at and given the coolant is 50% water. Evaporation was their explanation. I accepted that. Seems logical.
2013 x35i (Space Gray, MSport, CW/CWII, DHP, Premium, Premium Sound, Technology, BMW-Apps)
Retired:'09 C300 4Matic, '09 GTI, '06 750i, '05 C55, '04 R32, '03 M5, '02 GTI, 01 M5, '00 M-Coupe, '00 540i/6, '99 M3 Coupe, '98 M3 Coupe, '96 328i, ..., '86 4000CS Quattro, ... too many to list
Last edited by noka; 01-02-2013 at 02:57 PM.