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      12-03-2014, 03:19 PM   #1
sunnyw979
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Question transmission fluid flush. to do or not to do?

I own a '07 3.0si AT, 103K. Im aware that BMW claim that the transmission fluid in these models are "life time". But realistically more than likely isn't. So I was wondering whether if anyone has done a transmission flush and notice any changes.

TIA
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      12-30-2016, 04:55 AM   #2
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Do it for sure, just choose correct fluid.
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      01-17-2017, 06:47 PM   #3
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Just did mine with 70K, no problem at all ! Really Straigh ! Just use the correct fluid and trans oil filter !
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      02-14-2017, 05:46 PM   #4
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Yes I would flush had 100,000 miles
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      03-03-2017, 06:39 PM   #5
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Just changed the ATF fluid, filter, transfer case fluid, front & rear differential fluid.
For ATF you have to observe the correct fluid level - tranny needs to be at 50C after the first fill, then fill up until it starts to trickle (overflow). Once it's done, one would reset transmission adaptation values & go to through the re-learn process of the tranny as per TIS. For TC you also need to re-program the TC with Rheingold or similar.
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