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How important is it to change the tranny and diff oil?

793 views 2 replies 3 participants last post by  Nektopoli 
#1 ·
For you 32ers, remember the tip from the amgclub from Europe, where they changed the diff oil? And most of us changed the oil at 1000 miles. How about the tranny oil? Should we change that out too?

The reason I'm asking is on the M3, the specify a total fluid change at 1200 miles (engine/trans/diff). And they feel so strongly about it that its on BMW's tab. What could it hurt?
 
#2 ·
It can't hurt anything except your wallet....................
 
#3 ·
The M3 thing might be because of the CGB(Car Go Boom) nature of some of the BMW M3's.

N...


The M3 thing might be because of the CGB(Car Go Boom) nature of some of the BMW M3's.

NP
 
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