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      03-06-2012, 07:28 PM   #1
Richard@M-World
 
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Drives: NASA TTA #92 M3
Join Date: May 2011
Location: TX/IL

Posts: 683
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Exclamation M-DCT Transmission Fluid Changed and Tested

My NASA TTA track car has logged 30k miles and recently I changed out the Pentosin BMW-DCTF-1 fluid (PN 83222147477 20-litre can) for the first time as a preventive maintenance.

The fluid was then sent out to Blackstone Labs for analysis.

Just received the results back. This was Blackstone's first sample of the DCT fluid from an M car, so they could not make a comparison between my gearbox and others. However, they did observe that the "wear is so low that [they] doubt any mechanical problems."

My car has logged over 400 hot laps at my home track MSR Houston alone, so I would presume that for regular street use, the DCT fluid will last quite a long time.

I would still encourage more owners to send in their oil sample at different mileages (they only require 2-3 oz) so that we have a larger database to compare from.

The report is attached. The water mentioned was due to moisture caught during the collection process.

Cheers,
Richard@M-World

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