3-Series (E21, E30)Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.
I'm in need of a new catalytic converter but I've seen at least six different brands and a price range from less than $100 through above $500! So many cats, what's one to do? Does price matter? I'm just trying to pass inspection.
There are two stages you have to take to decide the one that you need. First stage is how it fits: Do you have a welder, and required tools to install a universal? Is your exhaust in good enough shape to be welded? Or is a direct fit a better choice for you? The second stage is quality, this affects the first question too, paying a little more for a better quality direct fit will ensure that it will be a "direct fit". Cheaper universals often time rust out quicker than thicker metal ones.
So this is a question that is better answered by you...
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