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E39 M5 Oil Usage

5K views 52 replies 28 participants last post by  msport 
I have a CHECK ENGINE OIL warning lately, and I noticed my exhaust is stinky and there is a LOT of soot back there in the rear valence and the exhaust tips. Is this normal? I saw a TIS about the warning message though, so what's up? My other E39s never did this. Any thoughts?
 
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