02 Sensor? What O2 sensor - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 04-24-2009, 11:00 PM
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02 Sensor? What O2 sensor

Hey guys I was happily driving the other day and my E34 535 develoved a horrible noise soundes like a Universal has craped itself out. Anway to get at the driveline I had to remove the exhaust. I spent some time looking for the O2 sensor but couldn't find it, reason being there isn't one? Well at lease there is no point on the exaust for it. Hopefully these pics work. Any Ideas or advise as to why it isn't there?

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#2 (permalink) Old 04-25-2009, 02:44 AM
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You should have one as pictured here or at least the wiring:

BMW E34 Website

scroll down to pic 535, if you like send me the last seven digits of your VIN and I will look it up( by PM )

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#3 (permalink) Old 04-25-2009, 06:00 PM
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Yeah mate I know what it should be and where it should be, I didn't see the O2 sensor witre comine out anywhere either but I havn't really looked but as you can plainly see the catalytic converter is not the one in the bently or in the pic you supplied.

Last 7 didgets:2898214

this is what Real OEM spits out :You Have Selected: 04/1988 E34 535i Saloon M30 Europe Right hand drive Automatic.
Production Code: HD22

It is a Euro Buid car not Japanese (thats where they built them for Australia). I have alwasy had problems with parts not matching up it's plated 88 as well. The tail shaft is different too which is the reason for me pulling it aprt at all, turns out the centre bearing isn't their either, it was but there isn't much left in the housing. so thats what the noise was. Any information would be apreciated mate. That number in the pics of my original post is the serial number on the catalytic converter.

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#4 (permalink) Old 04-26-2009, 05:34 AM
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Yes agreed, I looked at the exhaust system on realoem, it does have an o2 sensor fitted #18 in the link below, however it does appear you do NOT have an o2 sensor fitted to the exhaust system, I would say that at the time of Import Aus did not have such stringent emission test so the o2 sensor was not required at that time hence you don't have one!, that's all that I can think has happened, if the car runs fine then the ECU has been programmed to run without one.

RealOEM.com   BMW E34 535i EXHAUST ASSY WITH CATALYST

BMW will and would not have fitted anything it didn't have to, as more profit for them!.

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