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      01-10-2021, 11:34 AM   #16
Asianoak
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Drives: '11 E92 M3 & "11 X3
Join Date: Jun 2013
Location: Southern Oregon

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2011 M3  [0.00]
Well I had my trans fluid and transaxle fluid changed last week at about 105k miles and I can honestly say... DO IT!!! It feels like a new car, no more hesitations when accelerating from a stop, smoother shifts, faster acceleration, coasts smoother too.

I made sure before scheduling that it was a filter and fluid change, not a flush. And my indy shop uses OE parts for everything except oil changes (Mobile 1). Cost for both plus oil change and brake fluid was about $950. I had previously done the differential fluid myself.

They noticed a fairly high level of metal in the transaxle fluid which is concerning but so far so good.
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