where`s my o2 sensor 318is

[bobmaf]

i think my o2 sensor is faulty so i am going to replace it
where is it located and should there be a cat on my car 1991 318is e30 ???
cheers
bob

[kylebes1]

dunno abou the cat for a UK car, but the O2 sensor is some where near the header, it screws into the exhaust system,

[bobmaf]

cheers bud al have a look
bob

[spud814]

It's near the header under the car.

[boostboss]

Yeah on the euro is it is under the car, before the cat and after the headers.

[BahnE30]

o2 sensor if you can't find it on your own i suggest you take it to someone who knows something about cars

[E30godz]

o2 sensor if you can't find it on your own i suggest you take it to someone who knows something about cars

man i was thinking the same thing as i scrolled down, but i was going to try and not be a hardass.































but seriously, its the best suggestion.