m51D25 TDS wiring conversion BMW E30 notes

  • braun BR = brown
  • blau BL = blue
  • rot RT = red
  • gelb GE = yellow
  • grau GR = gray
  • schwarz SW = black
  • weiss (weiß ) WS = white
  • grun GN = green
  • orange OR = orange
  • rosa RS = pink
  • violett VI = violet
1 Blue Charge light pin 16 blue plug inst cluster
2 Green/Yellow Static oil level Pin 16 check panel
3
4 Brown/Purple Temp gauge pin 26 blue plug inst cluster
5 Brown/Green Oil Pressure light pin 18 blue plug inst cluster
6 Green/White Oxygen sensor relay Fuse 9
7 Green Switched power Ignition switch
8 White/Black Fuel rate input pin 11 blue plug inst cluster
9 Black Engine speed input pin 7 blue plug inst cluster
10 Blue Dynamic Oil level pin 20 Check Panel
11 White/Green Reset service lights pin 22 blue plug inst cluster
12 Grey Check Engine indicator Check Light
13 Green/Purple fuel pump relay fuse 11
14 Black/White Speed signal out to ECU pin 10 white plug inst cluster
15 Black/Green Unloader relay pin 1 blue plug inst cluster
16 White/Black Diagnostic connector Diagnostic plug pin 6
17
18 Black/Yellow Start Ignition switch
19
20 Red/Yellow ABS power ABS control module
From wiring schematics:
My own X20 workign outs (for diesel functions:) pg 32 diesel functions
X20 E34 side of the colours:
Gn to Gn power from ignition position 2
Gn/violet to Gn/violet feed pump relay
White/Black to White/Black DDE to Instrument Clustor
Black/White to Black/White DDE to Instrument Clustor
Red/White to Red/White ABS
Black to Black Instrument Clustor (has engine speed input)
Brown/Black to Brown/Black Gear selector/EGS
Violet/Gray to Violet/Gray Automatic CLimate Control
Brown/violet to brown/violet remote thermometer sensor
Black/yelowto black/yelow starter signal
Black/Green to black/green general module, on board computer, climate control
possible pins: – x20 pin 25 – alternator charge problem light – when the chassis side is grounded, it will turn on the light on the gauge cluster (could use for glowplug light?)
X69:
Brown/Grey to Blue/White Brake light switch/DDE control unit
Blue/Brown to Blue/Brown Clutch Switch
Brown/White to Brown/White Gear Selector EGS Control Unit
Blue/Red to Blue/Red Brake light switch (cruise conrol function)
Black/Gray to Black/Gray Auxilery Fan
Brown Yellow to Brown Yellow Preheaters
wrong engine, but some helpful wiring colours:
..
x101 pinout

e30-e36 (function)

1-25 alternator
2 oil level static (not used on e36)
3x
4-12 coolant temp
5-23 oil pressure
6 e30 o2 sesnor relay power, e36 o2 relay hot at all times
7-21 Starter input (2 wire on e30 I believe
8-24 fuel rate
9-14 Tach
10 dynamic oil level (not used on e36)
11-19 SI reset function
12-8 check engine light
13-13 Fuel pump relay
14-20 speed output
15-15 unloader relay
16 SRS diagnostic connector, not used
17x not used
18-18 Starter
19x not used
20 ABS (attach as described in above post)
I was unable to get my code reader to work with the last diagram I came up with.
Here is my new list.
1-25
2
3x
4-12
5-23
6-22
7-21
8-24
9-20
10
11-19
12-8
13-13
14-14
15-15
16-17
17x
18-18
19x
20-abs.

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