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      12-05-2012, 10:14 PM   #3
bimdo
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Drives: 2008 e90 m3
Join Date: Jan 2012
Location: usa

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i would do trans and diff fluid,and probably engine and cabin air filters,every 30k miles.i would also do the coolant if it's original.i plan to do that at least every 4 years.

you're also getting close to time for spark plugs.the manual says 37k miles for them,not under cbs,but mine were changed for the previous owner at 30k.

you're right,there isn't much guidance for reasonable maintenance from bmw,i've worked up a schedule on my own taking advice from mike miller's lifetime maintenance schedule,and a friend who is a bmw master tech.i hope to keep my car a long time,and plan to maintain it accordingly.

Last edited by bimdo; 12-05-2012 at 10:24 PM.