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      11-16-2018, 07:16 PM   #1
Blueeyesredpanda
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M3 DCT shifter wiring guide help

I read through pretty much all the threads and posts regarding m3 DCT and m5 SMG shifter. Pretty much 90% of them are about m5 SMG, posts regarding m3 DCT are very unorganized and lack of details.

If you know what the complete wiring for M3 DCT is, please share what connectors and wiring are needed! And If I'm going bypass the original shift indicator, what would the wiring be?



I found the following diagram for the wiring, but is it missing the wiring for the 3 pins (+, - and ground)


Found a post for a Pre LCI, but op used the wiring setup for LCI.

Quote:
Originally Posted by wmandra View Post
Just completed this mod in my 2008 328xi but with the M3 DCT shift knob. Wanted to post a few notes to help out others...

1) M3 DCT knob part # 25122283705 (Switch, Throttle Valve)
2) The M3 knob has a 10 pin connector
3) Pin assignments for "blue" connector (from R -> L)
1 - +12v
2 - Night Illimunation +12V
3 - Ground
4 - EGS MGE
5 - N/A (not needed for mod)
6 - EGS MGA

4) Pin assignments for "white" connector (from L -> R)
1 - Not Used
2 - Park (not needed for mod)
3 - Reverse
4 - Neutral
5 - Drive (I connected to the D/S led on mine)

I don't have the pin assignments on the M3 knob since I removed the connector, but they are very easy to figure out with a 12 volt power source.

I used 2 of the Universal Pin Terminal Uncoded (Part # 61136913635) and 8 of the Pin Contacts (Part # 611300005198) in my install completely eliminating the Blue PRND indicator.

M3 Knob_____________Connector______Pin
+12V...............................Blue........... .....1
Illumination......................Blue............ ....2
Illum Ground....................Blue................3
R....................................White........ ......3
N....................................White........ ......4
D/S.................................White........... ...5
"+"..................................Blue......... ......4 & 6
"-"...................................Blue.......... .....4 & 6
M/S (center between +/-)...Blue...............4 & 6

Last edited by Blueeyesredpanda; 11-16-2018 at 07:44 PM..
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