My DCT conversion to M3 GWS/FLASH

Feb 23, 2018
19
First of all, I'm going back through your thread and I'm learning some things now that I understand this better. I think I have the same color interior, I see your trim matches. What is the official color? Just the Schwarz (black)?

Also, In the original photo, you had an ashtray on your trim, and the one above you have the blank, is that piece swappable?

View attachment 9879
Yes ashtray is swappable i swap mine as well
595EF368-2AD4-49BF-A8FD-72687B7FD892.jpeg
A72BCD33-DAFA-400B-897B-4FA9CB4E96D4.jpeg
 

doublespaces

Administrator
Oct 18, 2016
6,758
AZ
Is the split arm rest even worth doing? For manual trans guys, I suppose it can be useful but I don't really rest my arm there too often.
 

lphudson

New Member
Jun 29, 2018
1
Santiago, Chile.
Im willing to do the rear subframe swap of the m3 (3.15) to my 135i DCT, so witch OBD2-USB cable is the best or are basically all the same? and what software are you using to do the TCU recode-reflash.
I know that i have to buy the M3 Gear shift stick, the part that goes under it and the center console buttons , what else do you recommend to buy? do i really need to buy the M3 Kombi gauges also?

Thanks lots
 

Stokes

Corporal
Jan 26, 2018
118
Houston, TX
Im willing to do the rear subframe swap of the m3 (3.15) to my 135i DCT, so witch OBD2-USB cable is the best or are basically all the same? and what software are you using to do the TCU recode-reflash.
I know that i have to buy the M3 Gear shift stick, the part that goes under it and the center console buttons , what else do you recommend to buy? do i really need to buy the M3 Kombi gauges also?

Thanks lots
Couple points to note:
  • The 135i interior is different than the 335is interior so a bit more modification required
  • Practice doing basic coding first - NCSExpert (something like fold mirrors on lock)
  • Practice updating with same software - WinKFP
  • M3 Kombi is nice because you get the larger gear display (only applies to 135i)
  • 2.81 & 3.08 gearing works
  • If you want to try it out before fully committing you can drop in a used 3.08 differential (<$200 ebay)
I'd wait until you have practice with the coding side. Try adding the BMW performance DME flash first. That's a simple task, but exercises your understanding of using the coding software.
 

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