Need some some advice. Rotten egg smell in car.
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07-21-2010, 02:16 PM
Drives: 335i Coupe, 2013 E92 M3
Join Date: Jul 2008
Location: Portland, OR
Yep, Catalytic Converter. If gas change doesn't help then it might be damaged and in need of replacement. This could mean that your fuel/air mixture is too rich and this potentially damages the cats.
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