Bmw E30 X20 Pinout

X20 Pin 21 on the 92 E34 M50 harness is usually connected to the ignition switch (terminal15). This provides ignition switched power to the ignition coils and pin 56 of the DME. When connecting to an E30, this supply is usually found on pin 7 f the C101 (also green).

X20 Pin 22 on the 92 E34 M50 harness is also a 12v feed from the ignition switch. Each page will have the wiring pin-out chart, the cover page of the wiring diagram of interest, the color code chart, and the C101 or X20 pin-out. C101 is found on all E30's.

C101 (1990 E30) X20 (1993-1995 E36) 1990 325i/is/ix/ic C101 to 93-95 E36 X20: Pin # Purpose: Pin # Color: Purpose: C101: X20: Purpose: 1: Alternator + 1: BL/WS: Engine Oil Level (. This is the pinout I created for a 91 525i non-vanos M50 I was going to use in the M50 swap on my 88 E30. This was created by scouring the ETM for that year to find any reference to the X20 connector.

I traced most of the wires manually to confirm the pinout was correct. Be careful though, of using wiring pinouts created by others (myself. 5 Responses to Wiring harness adapter guide for e30 M60 and OBD 1 M62 swap, pinout, and a cheap way of getting X20 and C101 connectors Great write up! My recommendation is to avoid using conventional electrical insulating tape in under-hood areas since ambient temperatures routinely exceed 105 to 120C!

C101 to X20 wiring help Moderator: martauto 7 posts Page 1 of 1 jmc330i Engaged to the E30 Zone Posts: 6621 Location: Somerset. The document provides a detailed pinout comparison between the C101 connector of the 1990 E30 and the X20 connector of the 1993-1995 E36. It lists the purpose and color coding of each pin, along with notes on wiring connections and specific considerations for certain components.

Additionally, it includes suggestions for connecting oil level sensors and diagnostic capabilities between the two. From wiring schematics: My own X20 working 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 Cluster Black/White to Black/White DDE to Instrument Cluster Red/White to Red/White ABS Black to Black Instrument Cluster (has engine speed input. Bimmerforums is the preferred online BMW Forum and community for BMW owners.

At Bimmerforums, you will find technical how. Pinouts Main article: ECU Pinouts The ECU for each engine management system is differentiated by the size of its plug. Jetronic systems used a 25-pin system, Motronic 1.0 used a 35-pin system, and Motronic 1.1 and 1.3 used a 55-pin plug.

The increasing number of pins demonstrates the increasing complexity of the systems, which is why we've compiled pinout charts, to help you diagnose any of.