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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - California > CARB certified air intake?



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      01-30-2013, 07:26 PM   #1
spyre
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CARB certified air intake?

Are there any carb ok intakes out there for a n54 335i? Recently got the car and will be doing a tune on it and trying to decide what intake to go with it and not having to mess with holding onto the stock and swapping it on for smog would be handy if there are any that aren't terrible or super terribly overpriced.
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      01-30-2013, 07:53 PM   #2
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I think Injen makes one.
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      01-30-2013, 08:31 PM   #3
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as for as i know, injen is the only carb certified intake for n54
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      01-30-2013, 08:35 PM   #4
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You're much better off keeping your stock one somewhere handy. You only need to smog it every 2 years I believe.
1. When you need to smog install takes about 5 minutes
2. If you trade your car in, sell it etc picking up a new one is $400-$500 from the dealer or $100+ used
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      01-30-2013, 08:55 PM   #5
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Injen is the only carb legal one. It's priced at 400 or 450 now I think?

If you want inexpensive and easy, go with a pair of BMS dual cone intakes or run to autozone and make one for $30.

That'll be the easiest way to swap back to stock for smog if the Injen price is too high for you.
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      01-30-2013, 09:10 PM   #6
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I have an Injen for cheap sale. $150.
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      01-30-2013, 09:37 PM   #7
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you wont have to smog until couple of years if your car is pretty new just get the BMS DCI intake it only takes me 5 min the most to swap it out if i have to take it to the dealership
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      01-30-2013, 11:50 PM   #8
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Quote:
Originally Posted by skinrock View Post
I have an Injen for cheap sale. $150.
still for sale?

PM'd
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      01-31-2013, 10:06 AM   #9
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Quote:
Originally Posted by Mahhvinn View Post
Injen is the only carb legal one. It's priced at 400 or 450 now I think?

If you want inexpensive and easy, go with a pair of BMS dual cone intakes or run to autozone and make one for $30.

That'll be the easiest way to swap back to stock for smog if the Injen price is too high for you.
autozone = rice
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      02-17-2013, 11:10 PM   #10
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Quote:
Originally Posted by spyre View Post
Are there any carb ok intakes out there for a n54 335i? Recently got the car and will be doing a tune on it and trying to decide what intake to go with it and not having to mess with holding onto the stock and swapping it on for smog would be handy if there are any that aren't terrible or super terribly overpriced.
I believe Afe makes CARB certified intakes. Check it out.
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      04-16-2013, 08:01 PM   #11
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All 2007 - 2008 335i 3.0 6cyl & 2008 135i 3.0 6cyl are excluded from the C.A.R.B Exempt order #. So if you're buying for the exemption keep in mind these years are excluded.
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      04-16-2013, 08:24 PM   #12
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Quote:
Originally Posted by !LEFTCOAST! View Post
All 2007 - 2008 335i 3.0 6cyl & 2008 135i 3.0 6cyl are excluded from the C.A.R.B Exempt order #. So if you're buying for the exemption keep in mind these years are excluded.
Why is that?

BTW, I just smog'ed my 2007 and no one said anything about the DCI's.
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      04-16-2013, 08:36 PM   #13
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Keep your old one, that's what I'm going to do.
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      04-16-2013, 09:28 PM   #14
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Quote:
Originally Posted by !LEFTCOAST! View Post
All 2007 - 2008 335i 3.0 6cyl & 2008 135i 3.0 6cyl are excluded from the C.A.R.B Exempt order #. So if you're buying for the exemption keep in mind these years are excluded.
What? CARB site states: "excludes LEV2, SULEV, test group #7BMXV03.0N51 and #8BMXV03.0N51".
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      04-16-2013, 09:30 PM   #15
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Quote:
Originally Posted by dsbj View Post
Why is that?

BTW, I just smog'ed my 2007 and no one said anything about the DCI's.
I really don't know but it states it on the front pages of the installation instructions & on Injen's website. Something about they're considered to be LEV2, SULEV with engine test groups #'s 7bmxv03.0n51 & 8bmxv03.0n51
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      04-16-2013, 09:42 PM   #16
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Quote:
Originally Posted by !LEFTCOAST! View Post
I really don't know but it states it on the front pages of the installation instructions & on Injen's website. Something about they're considered to be LEV2, SULEV with engine test groups #'s 7bmxv03.0n51 & 8bmxv03.0n51
I always found this exclusion to be confusing, but this is how I read it:

LEV2 or LEV II is the name of the emissions program, or standard. LEV is the rating, along with ULEV and SULEV. BMW 335i's meet LEV2 LEV standards. I believe this comment/exclusion was just included on every 1-series/3-series in this group of testing, and is simply stating that the N51 engine (which is a LEV2 SULEV rated system) is excluded. As far as I can tell, these intakes are CARB certified for N54 engines.

My take anyways.
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      04-16-2013, 09:49 PM   #17
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Quote:
Originally Posted by skinrock View Post
What? CARB site states: "excludes LEV2, SULEV, test group #7BMXV03.0N51 and #8BMXV03.0N51".
So are you saying that it does apply?
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      04-16-2013, 09:50 PM   #18
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Quote:
Originally Posted by skinrock View Post
I always found this exclusion to be confusing, but this is how I read it:

LEV2 or LEV II is the name of the emissions program, or standard. LEV is the rating, along with ULEV and SULEV. BMW 335i's meet LEV2 LEV standards. I believe this comment/exclusion was just included on every 1-series/3-series in this group of testing, and is simply stating that the N51 engine (which is a LEV2 SULEV rated system) is excluded. As far as I can tell, these intakes are CARB certified for N54 engines.

My take anyways.
That make sense
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      04-18-2013, 12:21 PM   #19
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Trust me, make your own XD almost everyone i know made their own and the cops dont even check. they arent on you tough unless you were doing something dumb. personally, id just get a drop in filter. no need for any sort of CARB sticker and anything. if the cop asks, say it was bought from autozone. actually, buy your kit, and buy an autozone pod filter (if it fits) and slap the carb sticker on! or steal one hahahaha jk
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