Gerard OSullivan
You have a can of worms here but you know that..
Taking what you say at face value, it looks like the O2 sensors are both u/s. However, I would get a gas reading done before going any further to try determine what is happening in the engine. You really need to know what's coming out that exhaust.
Gerard
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BMW 323i E39 1997 - Rough running - Fixed # - Simon Forsey June 3, 2009, 10:25 am
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on June 3, 2009, 9:51 pm, in reply to "