Thread: Catalytic converter efficiency below limit value
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      02-12-2022, 11:21 PM   #11
Blue Angel
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Drives: 2011 323i and 2016 535d
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If the light went away just keep driving it. I wouldn't hesitate to give that German an "Italian Tune-Up". You've got nothing to lose, and if the cat is not performing then getting it good and hot might burn out some deposits.
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