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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - California > SMOG TIME for 2007's



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      03-22-2013, 11:31 PM   #45
baltik
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Originally Posted by bernard54321 View Post
No that is because the station you went to has not updated their software to the can obd set up so it wont pick up signal and this is especially true for bmws
Thanks for that - is there a confirmed map setup for Procede that works best for smog?
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      03-23-2013, 12:08 AM   #46
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Has no relevance to smog. As a tech i could care less what youve programmed unless it changes the ability to read the ecu, affects the non continuous moniters, or sets any trouble codes.
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      03-23-2013, 12:26 AM   #47
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Doesn't it affect the Air/Fuel ratio?
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      03-23-2013, 12:55 AM   #48
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Thanks for that - is there a confirmed map setup for Procede that works best for smog?
Map 0, cats installed, running straight 91. I easily passed.
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      03-23-2013, 01:13 AM   #49
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Doesn't it affect the Air/Fuel ratio?
Nope. It may try to run the car a little richer but your a/f sensor will fix that, the cat will clean it up and you will pass. Np.
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      03-25-2013, 01:28 PM   #50
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Bump! Anyone had luck passing with downpipes left in? If so what was the procedure...did you use a dp fix or what? Im too lazy to pull them out unless I REALLY have to...

Appreciate any help....Read through the thread but couldnt find the answer since the OP went back to stock in order to pass...Thanks in advance
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      05-17-2013, 03:24 PM   #51
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Just passed my smog check. I went to a STAR smog station and the guy seemed pretty thorough with checking everything.

Here's what I had installed on my car during the test:

Stage 2 GIAC
DP back AE exhaust (only secondary cats deleted)
Stock airbox w/BMS drop in filter
ER Chargepipe w/tial bov
ER IC
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      07-09-2013, 11:34 PM   #52
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Is it necessary to revert back to map 0 for a smog test? I'm on map 2, but other than that I'm totally stock. I know it's easy to go back to map 0, but I'm just curious if it would pass while on a performance map.
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      07-09-2013, 11:53 PM   #53
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Is it necessary to revert back to map 0 for a smog test? I'm on map 2, but other than that I'm totally stock. I know it's easy to go back to map 0, but I'm just curious if it would pass while on a performance map.
I don't see why not. I used to own a 600hp mustang and since it was highly modified with upgraded superchargers, engine mods ect... I has a custom tune on the car.

I never had issues passing smog in california. Just as long as i had the cats on i would pass. A performance tune wouldn't stop you from passing, its the A/F ratio and your cats that could do that. Or if you had a faulty 02 sensor. You should be just fine with your tune, plus smog doesnt get into boost anyways.
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      07-10-2013, 04:07 PM   #54
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Do you know if they did the OBDII only test? Or did they also do a sniff test. Also interesting that you passed missing a set of cats - is this pretty expected? I have my secondary cats in but thought I would fail sniff with that.

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Originally Posted by DKLA60 View Post
Just passed my smog check. I went to a STAR smog station and the guy seemed pretty thorough with checking everything.

Here's what I had installed on my car during the test:

Stage 2 GIAC
DP back AE exhaust (only secondary cats deleted)
Stock airbox w/BMS drop in filter
ER Chargepipe w/tial bov
ER IC
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      07-10-2013, 04:16 PM   #55
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Do you know if they did the OBDII only test? Or did they also do a sniff test. Also interesting that you passed missing a set of cats - is this pretty expected? I have my secondary cats in but thought I would fail sniff with that.
It depends on the car, and the heat that the cats are at. I actually passed with a Bassani X-pipe in my 600hp built engine, ported heads, cams ect... In California with the sniffer. Although it was near the limit i still passed. I drove the car for 30 mins to let it heat up and took it in.

I could see a 335i passing with 2 cats the same way i did. It would be higher than normal, but should still pass the sniffer especially since its a smaller engine (less pollution i would think?).

It really just depends on how effective the cats are. If there 2 stock cats your fine, if there two high flow cats like i had its a question on how how well they work.
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      07-10-2013, 04:45 PM   #56
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So glad I recently just passed... My issue is that I had my secondary cats removed.

They used the sniffer and my car was near the limit on the 15mph test but I was good on the 25mph one. After everything, then the place noticed that I removed both secondary cats and failed me... However, the guy was nice and just put that I failed due to my injen intake (which was carb legal)

I took it to a second place and said everything checked out except for the intake. All they did was recheck the intake and run the sniffer again. Didn't check the cats or anything else because the first place passed all of it.

Whew, I'm good until they roll out the OBD smog test
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      07-10-2013, 04:51 PM   #57
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So glad I recently just passed... My issue is that I had my secondary cats removed.

They used the sniffer and my car was near the limit on the 15mph test but I was good on the 25mpg one. After everything, then the place noticed that I removed both secondary cats and failed me... However, the guy was nice and just put that I failed due to my injen intake (which was carb legal)

I took it to a second place and said everything checked out except for the intake. All they did was recheck the intake and run the sniffer again. Didn't check the cats or anything else because the first place passed all of it.

Whew, I'm good until they roll out the OBD smog test
Thats good to hear! When i took my car into the shop i just lied and said the exhaust was stock. The guy had no idea what Roush Mustangs came with so he just went with it lol.

They should do the visual first, then run the test. I'm surprised the shop did it the other way. As for you 15mph barley passing, it might be that your cats weren't fully warm and by the time you got to the 25mph they were...

Either way you now have 2 years of enjoyment lol.

On the bmw, i take it the first 2 and the last 2 cats are on different pieces? Is the last 2 on the H-pipe and the first two on the down-pipe?

I have no problem removing 2 cats, just dont want to remove all 4 while im still in CA. We have stupid road side smog tests. Cant wait to move to florida next year.
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      07-10-2013, 09:41 PM   #58
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Quote:
Originally Posted by DKLA60 View Post
Just passed my smog check. I went to a STAR smog station and the guy seemed pretty thorough with checking everything.

Here's what I had installed on my car during the test:

Stage 2 GIAC
DP back AE exhaust (only secondary cats deleted)
Stock airbox w/BMS drop in filter
ER Chargepipe w/tial bov
ER IC
You passed with a BOV and no rear cats? whaat?!
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      07-10-2013, 10:24 PM   #59
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Passed emissions in NorCal for '07 328i e90 with a gruppe-m rep cone intake, eisenmann midpipe (2nd cat delete, eisenmann resonator, eisenmann muffler). $60, good for another 2 years.
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      07-10-2013, 11:19 PM   #60
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Makes me want to register my car in a non smog testing part of California just to not have to deal with it.
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      07-11-2013, 12:47 AM   #61
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Quote:
Originally Posted by quasitime View Post
Do you know if they did the OBDII only test? Or did they also do a sniff test. Also interesting that you passed missing a set of cats - is this pretty expected? I have my secondary cats in but thought I would fail sniff with that.
They definately did the sniff test and they also plugged into my OBDII.

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You passed with a BOV and no rear cats? whaat?!
YUP!!
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      08-26-2013, 07:43 PM   #62
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Seems as if Cali cars get away with anything until smog time.
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