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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Any DP Fix for N55



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      11-19-2014, 02:26 PM   #1
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Any DP Fix for N55

Are there any DP Fixes available for The N55 motor for the purpose of passing emissions via OBDII Scan? The Jb4 Stage 2 that I have has a built in auto clear, but it will not put the car in Ready status to pass emissions, and I heard a DP Fix can help with this, but I only saw them being sold for the N54 platform. Would love to not have to take off downpipes for the test.
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      11-19-2014, 03:43 PM   #2
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Nothing. There was another thread not long ago about this.
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      11-19-2014, 03:45 PM   #3
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Quote:
Originally Posted by grizz311
Are there any DP Fixes available for The N55 motor for the purpose of passing emissions via OBDII Scan? The Jb4 Stage 2 that I have has a built in auto clear, but it will not put the car in Ready status to pass emissions, and I heard a DP Fix can help with this, but I only saw them being sold for the N54 platform. Would love to not have to take off downpipes for the test.
No DP fix at the moment. We all use a tune (CoBB or JB4) to clear the code for everyday driving.
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      11-19-2014, 04:31 PM   #4
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I consider the mini cat I run a dp fix. The o2 sensors reach readiness state and the ses light doesn't come ever when driving normal. Even if I drive my car hard, it takes a good 150 miles before it comes on.
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      11-19-2014, 04:46 PM   #5
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Quote:
Originally Posted by M.a.r.k.u.s View Post
I consider the mini cat I run a dp fix. The o2 sensors reach readiness state and the ses light doesn't come ever when driving normal. Even if I drive my car hard, it takes a good 150 miles before it comes on.
What do you mean by mini cat?
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      11-19-2014, 04:57 PM   #6
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Originally Posted by grizz311 View Post
What do you mean by mini cat?
this:
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1

They come in a two pack but you only need the one on the downstream o2 sensor.
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      11-19-2014, 05:07 PM   #7
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So you think If I buy this, and turn my JB4 to map 0, so it doesn't auto clear, drive around for a little bit, I should be able to pass?
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      11-19-2014, 05:28 PM   #8
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Quote:
Originally Posted by M.a.r.k.u.s View Post
this:
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1

They come in a two pack but you only need the one on the downstream o2 sensor.
Which one is the downstream sensor? The one closer to the engine or to mid pipes? I might try that when the emission time comes again next year.

Thanks,
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      11-19-2014, 05:42 PM   #9
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      11-19-2014, 08:06 PM   #10
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Quote:
Originally Posted by djfellipe View Post
Which one is the downstream sensor? The one closer to the engine or to mid pipes? I might try that when the emission time comes again next year.

Thanks,
the one closer to the mid pipe is the downstream sensor
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      11-19-2014, 08:44 PM   #11
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Quote:
Originally Posted by grizz311
So you think If I buy this, and turn my JB4 to map 0, so it doesn't auto clear, drive around for a little bit, I should be able to pass?
Yes but drive like a grandma, if you have an E92 (not sure about others) you'll need the minicat with a 90 degree bend in it or else it won't fit.
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      11-19-2014, 10:48 PM   #12
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Quote:
Originally Posted by Jsoboti
Quote:
Originally Posted by grizz311
So you think If I buy this, and turn my JB4 to map 0, so it doesn't auto clear, drive around for a little bit, I should be able to pass?
Yes but drive like a grandma, if you have an E92 (not sure about others) you'll need the minicat with a 90 degree bend in it or else it won't fit.
Didnt quite understand you, i just bought a vrsf dp, i have an e90...do i need the 90 degree bend or can i use the same one that someone posted earlier
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      11-20-2014, 09:04 AM   #13
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I might just pull out my dps for the test, will also pull of all my other mods and take it to the dealer to do a bunch of minor stuff under warranty
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      11-20-2014, 11:32 AM   #14
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Quote:
Originally Posted by M.a.r.k.u.s View Post
I consider the mini cat I run a dp fix. The o2 sensors reach readiness state and the ses light doesn't come ever when driving normal. Even if I drive my car hard, it takes a good 150 miles before it comes on.
I think you just made up my mind.. all I'd need it for is the test, after that I'd let the Cobb clear the code.. Thanks
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      11-20-2014, 11:49 AM   #15
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Originally Posted by tke344 View Post
I think you just made up my mind.. all I'd need it for is the test, after that I'd let the Cobb clear the code.. Thanks
That's the whole reason I got it. It's definitely better than having to take out the dp every time.
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      11-20-2014, 11:51 AM   #16
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Quote:
Originally Posted by junniior95 View Post
Didnt quite understand you, i just bought a vrsf dp, i have an e90...do i need the 90 degree bend or can i use the same one that someone posted earlier
I have an E90 and the one in the link I posted fits.
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      11-20-2014, 11:58 AM   #17
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From what I have read, the ones Markus posted most likely dont fit on E92, I found these, maybe they will work
http://www.bigdaddiesgarage.com/angl...-fix-real.html
http://www.outmotoring.com/mini-cat-...or-spacer.html
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      11-20-2014, 12:22 PM   #18
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Quote:
Originally Posted by grizz311 View Post
From what I have read, the ones Markus posted most likely dont fit on E92, I found these, maybe they will work
http://www.bigdaddiesgarage.com/angl...-fix-real.html
http://www.outmotoring.com/mini-cat-...or-spacer.html
those actually look even better and they're cheaper since you can buy just one, which is all you need.
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      11-20-2014, 02:24 PM   #19
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Quote:
Originally Posted by junniior95
Quote:
Originally Posted by Jsoboti
Quote:
Originally Posted by grizz311
So you think If I buy this, and turn my JB4 to map 0, so it doesn't auto clear, drive around for a little bit, I should be able to pass?
Yes but drive like a grandma, if you have an E92 (not sure about others) you'll need the minicat with a 90 degree bend in it or else it won't fit.
Didnt quite understand you, i just bought a vrsf dp, i have an e90...do i need the 90 degree bend or can i use the same one that someone posted earlier
You'll need the one of the right to fit on an E92

http://www.outmotoring.com/mini-cat-...or-spacer.html
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      11-20-2014, 02:32 PM   #20
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I messaged the guy on the first website what I would need and he told me I would need both his "mini cat " and the angled spacer, which is $80 for the combo.... Weird
http://www.bigdaddiesgarage.com/combo-o2-simulator.html
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      11-20-2014, 02:35 PM   #21
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Quote:
Originally Posted by Jsoboti View Post
You'll need the one of the right to fit on an E92

http://www.outmotoring.com/mini-cat-...or-spacer.html
Did that one work for you? Would I just plug that in, put JB4 on map 0, drive around, then get emissions done? I think I saw a thread where you said you used it, but I think you were using it with Cobb Tune.
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      11-20-2014, 02:42 PM   #22
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Quote:
Originally Posted by grizz311 View Post
Did that one work for you? Would I just plug that in, put JB4 on map 0, drive around, then get emissions done? I think I saw a thread where you said you used it, but I think you were using it with Cobb Tune.
you don't need a mini cat AND spacer. All the mini cat is is a spacer with some extra mesh inside.

Also, it doesn't make a difference if you run cobb or jb4. I would turn autoclear off after you install it and see how long it takes your car to throw a CEL. You might get lucky and it won't throw it at all. If it does however, put jb4 to map 0 and drive around for 5 miles or so without going over 3k rpm. Then take it to the emissions place and you'll pass.
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