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Discussion Starter #1
Hi folks,

I sure someone can help with this one:

I have a 1991 525I BMW. About 1 month ago i replaced an O2 sensore becuae my Chekc engine light was coming on. Today, that light is on, car drive sluggishly AND the battery light and park brake lights are on but go away when I'm drive over 35mph?

The dealership is telling me that I need a new DME (electronic control unit)?
 

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so what is it that you need help with exactly?

seems like you answeared your own question. could you please elaborate a little more?
 
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