Bimmerfest - BMW Forums - View Single Post - Catalytic converter gone bad...time for exhaust :)
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Old 10-10-2012, 09:44 AM
TannerT TannerT is offline
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Location: Columbia, Missouri
Join Date: Mar 2012
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Mein Auto: 03 330ci 3pdl 89 325i
Originally Posted by PCD View Post
My catalytic converter seems to be faulty and my service engine light soon comes on and goes off from time to time. I am really not willing to buy a new catalytic converter for my 2002 525i, with 175K miles. Can someone please let me know of an alternative as I really don't like that light coming on while driving?
If your converters are bad they need to be removed or replaced your catalyst is most likely clogged if your "cats are going bad." This will get worse and start hurting the cars performance. There is no easy fix to them. As for the light you can get a defouler kit that removes the O2s from the exhaust flow.

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