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Old 11-15-2012, 07:46 PM
ProRail ProRail is offline
"Clunker" *****
Location: Columbia MD
Join Date: May 2006
Posts: 4,621
Mein Auto: 1999 BMW 528A--165K
Originally Posted by Pierre Louis View Post
Interesting take on an expensive item.

Here is a post that implies 30K miles for heavy duty use:

Also, the lifespan of the fluid is arguably about 62,000 miles:

Many use their D's in a heavy duty fashion I would wager. As they say, buyer beware.

"Heavy duty" service generally means infrequent, short period driving. Long distance high speed driving is "light duty" for most Bimmers.
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