On Jun 14, 6:52 am, noobiedoobie > wrote:
> On Jun 13, 8:30 pm, Fred W > wrote:
>
> > bmwguy2 wrote:
> > > Does anybody know where the O2 sensor on a 1986 325es is?
> > > I tried looking under the area where the spark plugs are and could not
> > > find it.
> > > Anyone has seen a picture online anywhere?
>
> > > I saw a picture of 1988 models (I beleive) which was on a really easy
> > > place to see but not my damn car.
>
> > > Thanks for all your help in advance.
>
> > Look in the exhaust pipe. They are never anywhere near the spark plugs.
>
> > --
> > -Fred W
>
> According to the Haynes Manual I have here, the O2 sensor on an '86
> 325 is located just after the catalytic converter along the exhaust.
> Just out of curiosity, why are you trying to locate it? My O2 sensor
> on my '91 535 is placed right inside the catalytic converter, but the
> electrical connection is in the engine compartment.

My car's idle is not stable (it fluctuates b/w 800-1800 RPM) and I was
told to replace the O2 sensor and it might fix the problem