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      08-11-2022, 12:31 PM   #5
mwat
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Drives: E46 M3 & LCI X3 35i M Sport
Join Date: Jul 2014
Location: South Florida

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2016 BMW X3 35i  [0.00]
2001 BMW M3  [0.00]
Quote:
Originally Posted by mikekay View Post
Thanks Mwat! I couldn't really find much so I ventured out on my own

I wanted to post an update and link some pictures. I have dropped the muffler to gain access to the pre-cat sensor.

the o2 sensor plugs are located in the far left of the engine bay (passenger side) and are under the airflow tubing. Also its much easier to remove the whole bracket and then pop the rear out of the rubber grommets. And lastly there is a bracket in picture three that has a hidden female torx up top so dont forget to release that one.

Did this fix your problem?
I did have an issue after I replaced my charge pipe with a VRSF one where the car would stall after about 30 seconds of being on. Cold start it would idle for a bit longer but once mildly warm it would stall very quickly. Worked on it for a week, redid the charge pipe 5 times, nothing. Sent it down to a buddy of mine with a shop, he reset adaptations and it fired right up and hasn't had any issues since.

Maybe it's something like that?
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