Hello group,

This BMW has the "check engine" light on. It idles very poorly and has the following codes in the ECU.

1) 203 O2 Sensor 1

2) 13 oxygen sensor 1

3) 12 oxygen sensor 2

I tried to look up the data in my BMW book, but it (the book) only starts at...

FIX posted 12/3/2004

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle