Quote:
Originally Posted by polly
thanks stealth
that makes a lot of sense. thats the reason why i did not consider a used or demo M5. i personally feel this oil usage has a lot to do with how the car was run in. why would you have to do a run in service on an m car, but not a 550 for example?
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I don't understand why these models have different run in routines other than the differential is different. I did a run-in service at my own cost on my 550i.