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      11-11-2012, 06:36 AM   #12
Lambobimmer
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Drives: 2009 Z4 sDrive35i DCT
Join Date: Jan 2010
Location: Harrisburg, NC

Posts: 763
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Quote:
Originally Posted by BMW86 View Post
Are you 100% certain they o2 sensors aren't the wrong way around? I took it to 2 workshops. One did the work on my car and they said it's not possible to put them the wrong way around and denied this possibility. The other workshop said they were the wrong way around. I've already payed to have 2 new o2 sensors put in. It's a pretty big job to change them around so have not looked into doing that yet.

I had a DP fix a while ago and since removed it, and I'm still having this issue.
It is very possible to switch the o2 sensors. If they are in the wrong bank then you will throw these codes. All of the o2 sensors have different plug so it is not possible to plug it in incorrectily but you can very easily put the wrong o2 in the incorrect bung. I did it on my car.
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