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X3 F25 (2011 - 2017)
The second generation X3 added style and new features to the BMW's mid-sized SUV. Talk about the BMW F25 X3 with other X3 owners now!

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Old 12-18-2013, 02:37 PM
UGA76 UGA76 is offline
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Location: Suwanee, Ga
Join Date: Dec 2013
Posts: 3
Mein Auto: BMW X3
Check Engine Light

I have a 2004 BMW X3. I have now been to 3 different BMW repair facilities trying to find a long term solution to my check engine light coming on. The car seems to hesitate when "punched" and also runs rough at the same time. The light resets itself if I baby the car and don't fully accelerate.

The first shop, my regular facility read codes P2237 and replaced the oxygen sensor as well as code P3240 and replaced the thermostat. This resulted in the light coming back on before I got home. As they didn't have the equipment to address another unrelated code a month or so later, they referred me to another BMW location.

The second place repaired that problem but couldn't address the check engine light because it wasn't on an there was no code. They wanted me to bring it back when the light was on. The second location said they thought it was something to do with the gas mixing as the car seems to hesitate when given a lot of gas.

I recently had to replace my radiator reserve while out of town. This 3rd repair shop fixed that issue but said it would need some time to check on the mystery check engine light.

Does anybody have experience with this issue or a guess as to what to address next?
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Old 12-18-2013, 02:56 PM
02420X3 02420X3 is offline
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Location: Boston
Join Date: Mar 2011
Posts: 1,003
Mein Auto: 2011 X3 35i
You may have better luck posting your question in the X3 E83 forum, which is for the 2010 and earlier X3s.
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