e36 to e30 oxygen sensor screwjob

[E30volk]

Hey guys, hoping you can help me fix my mistake here.
I went to replace my oxygen sensor with an OEM bosche one about a month ago and realize that the rubber boot on the connector, on the harness side, had been torn apart by a PO and left the wires and pins exposed to the elements. Everything was corroded and rusted and the connector was basically shot. So I went to the Wreckers looking for another one, but unfortunately E30's aren't very plentiful around here and they didn't have what I needed. But what they did have was an OBD1 E36, which uses the same 4 pin oxygen sensor/connector as E30's, but with different wiring colours.
Last night I got around to getting it all hooked up. Aaaannd I screwed it up. Basically the OBC says that my mpg's go up as I'm idling and down as I'm driving, and it is running a bit rich

Here are the wires I connected:
(e30 loom>e36 connector)

green/blue>green

brown>black

black>yellow

brown (shielded)>brown


Here's some info I found on some other threads/forums:

For an E30, signal Black, Heater Ground Brown shielded on harness side (white on sensor side), +12V heater power Green/W harness side (White sensor side), Signal Ground brown harness side (Grey sensor side).

For an E36,

Pin 1 (black) - DME (pin 71 - voltage signal)
Pin 2 (yellow) - DME (pin 70 - ground)
Pin 3 (brown) - Ground (shielded)
Pin 4 (green) - O2 sensor relay (power)

So, does anybody know which wires I need to connect? Anybody done this before or any swap wizards know what's what on both e30 and e36 harnesses?

Cheers

[AndrewBird]

Well, from the info you posted, it should be:

E30 - E36

Black - Black
Brown - Yellow
Green/Blue - Green
Shielded Brown - Shielded Brown

You have the e30 brown and black wires mixed up.

[E30volk]

Thanks! Got it rewired and all is correct now