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      03-06-2017, 08:42 PM   #23
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With aftermarket DCT fluid you going to have shifting issues even after resetting the adaptations. Stick to pentosin. I haven't tried motul yet but would like to hear more on any others who have experience with it.
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      03-17-2017, 06:19 AM   #24
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About a month ago i replaced my fluid, pan filter and high pressure filter (side filter) and really have had no issues. Clutch engagement became a bit more aggresive, so did the shifts when Sports and TCS off.

I have a '12 135i with 67k miles and i used Liqui Moly 8100 DCT fluid. I also use Liqui Moly for all my fluids actually and so far i've had nothing but good and better.

My only advice would be to get both filters OES (not necessarily OEM) meaning, try for original Getrag parts. That's just preference and also my buddy went with a Vaico high pressure filter and his DCT clunked every gear until he changed it for an original Getrag part.

The other thing i would look out for is the fill process. You MUST make sure that the fluid temp does not go above 40c or else it could start coming out of your refill hole making you believe the system is full. With a cool car, start you engine and idle at 2k rpm for 2 mins. (You must do this quickly as trans heats up fast) now let the car idle by it self and place it on the "N" (neutral) position (you must leave the car running, hence why its gotta be done fast) open refill plug and add until you see fluid come out. Put the refill plug back, again idle at 2k rpm... repeat process. Again the important things here are, that the fluid is below 40c and that vehicle is ON and in Neutral when adding to finish the fill
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      03-29-2017, 09:47 AM   #25
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Quote:
Originally Posted by PeaceWalker View Post
About a month ago i replaced my fluid, pan filter and high pressure filter (side filter) and really have had no issues. Clutch engagement became a bit more aggresive, so did the shifts when Sports and TCS off.

I have a '12 135i with 67k miles and i used Liqui Moly 8100 DCT fluid. I also use Liqui Moly for all my fluids actually and so far i've had nothing but good and better.

My only advice would be to get both filters OES (not necessarily OEM) meaning, try for original Getrag parts. That's just preference and also my buddy went with a Vaico high pressure filter and his DCT clunked every gear until he changed it for an original Getrag part.

The other thing i would look out for is the fill process. You MUST make sure that the fluid temp does not go above 40c or else it could start coming out of your refill hole making you believe the system is full. With a cool car, start you engine and idle at 2k rpm for 2 mins. (You must do this quickly as trans heats up fast) now let the car idle by it self and place it on the "N" (neutral) position (you must leave the car running, hence why its gotta be done fast) open refill plug and add until you see fluid come out. Put the refill plug back, again idle at 2k rpm... repeat process. Again the important things here are, that the fluid is below 40c and that vehicle is ON and in Neutral when adding to finish the fill
Thanks for sharing your experience.

Quick question, where did you get the part where you say to put the transmission in neutral? Per the bmw instructions, it never says to take the transmission out of park. http://www.m3post.com/forums/attachm...7&d=1258259815

The instructions linked above is from 2008 though. Do you have a newer version of the instructions?
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      05-31-2017, 04:21 PM   #26
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Quote:
Originally Posted by PeaceWalker View Post
About a month ago i replaced my fluid, pan filter and high pressure filter (side filter) and really have had no issues. Clutch engagement became a bit more aggresive, so did the shifts when Sports and TCS off.

I have a '12 135i with 67k miles and i used Liqui Moly 8100 DCT fluid. I also use Liqui Moly for all my fluids actually and so far i've had nothing but good and better.

My only advice would be to get both filters OES (not necessarily OEM) meaning, try for original Getrag parts. That's just preference and also my buddy went with a Vaico high pressure filter and his DCT clunked every gear until he changed it for an original Getrag part.

The other thing i would look out for is the fill process. You MUST make sure that the fluid temp does not go above 40c or else it could start coming out of your refill hole making you believe the system is full. With a cool car, start you engine and idle at 2k rpm for 2 mins. (You must do this quickly as trans heats up fast) now let the car idle by it self and place it on the "N" (neutral) position (you must leave the car running, hence why its gotta be done fast) open refill plug and add until you see fluid come out. Put the refill plug back, again idle at 2k rpm... repeat process. Again the important things here are, that the fluid is below 40c and that vehicle is ON and in Neutral when adding to finish the fill
hello, did yo u use 9 liters total ?
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      07-11-2018, 02:20 PM   #27
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Sory tu bump this old thread but perhaps there is some update in this topic

Will do the dct service, gonna change all the filters and the fluid (In a BMW dealer)

The problem is im not from US so the pentosil cost me $78 per liter (have to import it)
I only get the Motul Multi Dctf for $15 per liter.

In 9,5 liters it made the difference

Did someone try the Motul or have any comments about it?
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