Looking for ECU wiring diagram....E46 M3

[LSB_M3]

Hi everyone...

As the title says, looking for the ECU wiring diagram for my 2003 E46 M3.

If anyone can direct me, it would be great.

Thanks.

[Maxi]

I dont know if this site can help you.
http://spaghetticoder.org/bmw/wds/

[LSB_M3]

I got lost from the link :( I need ecu pins for my e46 m3. Any idea which ecu pin is to be used for AFR gauge, not wide band.
Thanks.