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Old 12-29-2012, 11:02 PM
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bluebee bluebee is offline
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Location: San Jose, California
Join Date: Mar 2008
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Mein Auto: 02 BMW 525i M54 auto 130K
Originally Posted by joshmauch View Post
ok, what about exhaust it smells like rotton eggs, do i replace the cat or the whole thing. or is that smell from something else?
It has been said you can clean a cat ...
- How to remove & replace a catalytic converter (1) & how to fix rattling cat shields (1) & BMW P0420 codes related to cats (1) (2) (3) & cat autopsy photos (1) & what kills cats (1) & an EPA fact sheet on catalytic converter warranties (1)

If you try these methods, let us know the results.
Please read the suggested threads and add value, either by pictures or by descriptions, so the next person stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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