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View Full Version : Failed EMMISION, need help ASAP!!


iverson03tj
07-21-2010, 05:27 PM
Hey guys I took ym 96 328is today for emission, and the curb idle is fine, when its at 2500 rpm everything sucked :(

Also does the weight of the car make a difference, because i did have a tool kit in the trunk...

ASM2525 Result:

The HC ppm limit is 58 mine is 104
The co% limit is 0.32 mine is 0.59
The NO ppm limit is 435 mine was 803
RPM 2591
Dilution 14.3

Curb Idle results:
HC ppm limit is 200 mine was 183
The c0% lmit is 1.00 mine was 0.36
RPMK at 705
Dilution 14.8


Im guessing that i should buy a new o2 sensor..

Anyone wanna lend me a o2 sensor for 3 hours:P

I also noticed that the emission place put the model as 325i???? witha 2.8l engine??? Im so confused... can someone tell me why that was done??

iverson03tj
07-21-2010, 05:43 PM
Also does anyone know where i can buy a catalyic (cant spell) Converter for cheap???

simplycars
07-21-2010, 05:52 PM
i got full 328i exhaust with cats and o2 sensors for $225

Dan Bro
07-21-2010, 07:20 PM
Go into the shop, and tell them to do an idle test on the car.... thats how they do my car, they say its too low and won't go on the rollers, so they do the idle test. It passes everytime. Been doing that every year.... and this year my O2 sensor went and it still passed.

Dan Bro
07-21-2010, 07:23 PM
and considering your results I quote:

Curb Idle results:
HC ppm limit is 200 mine was 183
The c0% lmit is 1.00 mine was 0.36
RPMK at 705
Dilution 14.8

you should pass the idle test and be good for another year.

elroy
07-21-2010, 08:51 PM
you can't jsut ask them to do a curb idle test (tsi). they'll only do it if they have good enough reason, ie, awd, too low, or can't disengage traction control

Trekz
07-21-2010, 09:27 PM
yah so go into a shop with above ground dyno, and tell them to do 2 speed idle and not try to drive it up on dyno, if they complain start bitching telling them that they will be responsible to all the damages because it happened before etc...

Dan Bro
07-21-2010, 11:22 PM
you can't jsut ask them to do a curb idle test (tsi). they'll only do it if they have good enough reason, ie, awd, too low, or can't disengage traction control


When I do emissions on my e46. I just go in and ask for idle test....I tell them, that every time I go on the rollers, it messes up my traction control sensors. So I don't want it to cause any damage to my car, but if they do they will cover the charges.
Works every time, last year I got a smart ass, who said he will turn it off and do it... I told him, sure go ahead but if it brakes my sensors, the shop will be responsible for the repair at the BMW dealership. I told him to put it on paper, once he heard that.... he gave up and did the idle test.

Its a small lie, but it makes them do the idle test.

Just go in there, acting like a prick, so they will do as u say, just to get you out of there.

iverson03tj
07-21-2010, 11:31 PM
Wow, thanks for the tips, imma go with the traction control problem, because i just took my lowering springs off:P

Thanks for the tips....

Also where is the best place to do this at?? Any specific auto shop that will be more easier on me than others?

Dan Bro
07-21-2010, 11:53 PM
Wow, thanks for the tips, imma go with the traction control problem, because i just took my lowering springs off:P

Thanks for the tips....

Also where is the best place to do this at?? Any specific auto shop that will be more easier on me than others?

Any small shop is good, Canadian tire and big places like it, think they know everything so I wouldn't go to them.

iverson03tj
07-22-2010, 09:22 AM
Any small shop is good, Canadian tire and big places like it, think they know everything so I wouldn't go to them.


Ok thank Bro, I hope that i can go to the same shop n use this excuse :D

MarkD
07-22-2010, 09:57 AM
Wow, thanks for the tips, imma go with the traction control problem, because i just took my lowering springs off:P

Thanks for the tips....

Also where is the best place to do this at?? Any specific auto shop that will be more easier on me than others?

Go to one that does not mind losing their Drive Clean licence.

iverson03tj
07-22-2010, 10:03 AM
Go to one that does not mind losing their Drive Clean licence.

Oh yea there are so many of those xD

sproule905
07-22-2010, 12:22 PM
i had high CO levels.. changed out both of the post O2 sensors and it passed with flying colours.. not to mention 2 O2's cost $350

MarkD
07-22-2010, 01:24 PM
i had high CO levels.. changed out both of the post O2 sensors and it passed with flying colours.. not to mention 2 O2's cost $350

You changed the after cat O2 sensors to fix high CO? That is interesting, I'd expect the pre-cat sensors would cause that.

propr'one
07-22-2010, 01:31 PM
dont post cat sensors do absolutely nothing other than tell the ECU if the cat is working?

iverson03tj
07-22-2010, 02:33 PM
Ok guys i need a shop location.... i have tried 4 different shops all refused it.... they told me to go somewhere else... i told them it was a traction control problem.

MarkD
07-22-2010, 03:40 PM
dont post cat sensors do absolutely nothing other than tell the ECU if the cat is working?

That's correct, but someone just told us otherwise *smoke*

318ti_mars
05-23-2012, 11:34 AM
Ok guys i need a shop location.... i have tried 4 different shops all refused it.... they told me to go somewhere else... i told them it was a traction control problem.

Did u find one?

hemi_fan
05-24-2012, 06:02 AM
Are the catted mid-pipes the same on all e36 models; 325, 323, and 328? My cat is blown and I'll probably need a new one next year.

5style
06-06-2012, 02:36 PM
I am exempt :P

bmwm5lover
06-06-2012, 06:13 PM
I am exempt :P

Elaborate..

doogee
06-06-2012, 06:34 PM
Are the catted mid-pipes the same on all e36 models; 325, 323, and 328? My cat is blown and I'll probably need a new one next year.

The 328 has larger tubing

hemi_fan
06-07-2012, 05:59 AM
The 328 has larger tubing

So 325 and 323 are the same but 328 is larger?

nab24-
06-07-2012, 07:52 AM
I had the same issue with my 2000 328. It wasn't passing etest and it was because the O2 sensors were plugged in backwards and my MAFS was toast. 2 speed idle won't help either so don't bother. Just get the problem fixed. I took mine to Mitler motors in Newmarket and they figured out the problem in a day.

Dr. Flyview
06-07-2012, 06:53 PM
So 325 and 323 are the same but 328 is larger?

yup