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Surprise !!!!

2K views 4 replies 5 participants last post by  luckydog 
#1 ·
My 05 525i has 97k miles and I just got an increased emmissions on my screen and im feeling hesitation when im driving can anyone help and tell me what i could be looking at when I roll into the dealer this week ?
 
#2 ·
Do you have a code reader? A friend with one? Or can you stop by an auto parts store that will read the codes for you? When you have the codes, post here and we'll diagnose. Could be as simple as a worn out O2 sensor...
 
#3 ·
I had this error many years ago and it was a air injector pump of some kind. This happened many years ago on my 545
 
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