540 catalytic converters failing?
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04-10-2012, 04:09 PM
Join Date: Jul 2002
Car: 013 MB C350 Coupe
well my car is a 98, I think there were only 2 cats, I believe yours has 4, I've replaced them with Brullen hi-flow cats, but the company went belly up many years ago.
Maxbimmer Drama, You Gotta Love It
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