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      09-09-2014, 09:04 AM   #1
rsr racer
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1200 mile svc due next week and dealer says

that the plan is to change diff fluids among other things

i wonder what the magnetic plug in that will look like
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      09-09-2014, 09:10 AM   #2
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That's nice your dealer is changing diff fluid - I have read on here that some dealers are and others are not. Seems to be an "optional" thing. Lets hope the dealers are getting paid for it so they have more incentive to do so. It can't hurt - that is unless they forget to fill it back up.
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      09-09-2014, 09:24 AM   #3
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Quote:
Originally Posted by Andrew115 View Post
That's nice your dealer is changing diff fluid - I have read on here that some dealers are and others are not. Seems to be an "optional" thing. Lets hope the dealers are getting paid for it so they have more incentive to do so. It can't hurt - that is unless they forget to fill it back up.


According to the M3/4 service manual, diff fluid change is not optional at the 1200mls service, it has to be done. Engine oil and 6MT fluid should also be changed.

Only DCT fluid does not need to be changed.
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      09-09-2014, 09:24 AM   #4
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It's not optional: Oil change and diff fluid change is mandatory. Read your manual.
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AW/Carbonstructure 6MT 2015 M3 picked up 8/22/2014. Stripper except for adaptive suspension. Weighed at 3,450 pounds with 1/4 fuel. 70,000 miles as of February 2020.
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      09-09-2014, 09:27 AM   #5
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Sorry, I got confused with DCT. I need more coffee... I cant RTFM yet, getting it tomorrow.
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