1989 325i, does it have a catalyst monitor O2 sensor?

**FredK** · 05-11-2010, 08:03 AM

No. There is no downstream oxygen sensor on any E30.

**foglght** · 05-11-2010, 10:04 AM

Das ist sehr gut.

**nando** · 05-11-2010, 10:16 AM

it's funny because the guy who did my exhaust couldn't figure out why you would place an O2 sensor (I have a wideband) before the cat.

**foglght** · 05-11-2010, 02:16 PM

Originally posted by nando

it's funny because the guy who did my exhaust couldn't figure out why you would place an O2 sensor (I have a wideband) before the cat.

That is kind of funny in a :shock: way.

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