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      10-09-2012, 05:54 PM   #1
SCHMOUPE
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Drives: 2007 Z4M Coupe
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2007 Z4M Coupe  [0.00]
euro header install and now SES

I installed the euro headers a few months ago and finally got around relocating the o2 sensors to the secondary cat. Now I am getting a P0158 rear O2 sensor voltage too high fault and SES. Cleared the code ans it keeps coming back. Need your expertise? What should I do?
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