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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > All COBB Tuning AccessPORT Flash for N54 335i Discussion Here



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      04-23-2012, 04:11 AM   #4775
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Quote:
Originally Posted by Ernerd View Post
So my car recently broke down, was driving in second gear and decided I would go WOT and suddenly I heard a change in the sound of the exhaust, it became deeper. So I thought it wasn't anything and continued cruising when suddenly the engine malfunction light came on (engine with half of it shaded). So I pulled to the side and thought it was because of my spark plugs since my car has 38k miles and I recently installed cobb stage 1 without changing the spark plugs.

So I pull over, put the cobb in stage 0 and turned the car back on. No engine malfunction light yet, but this time when I start the car, it vibrated quite badly during idle, and when I try to drive it, it would go very slow but the RPM would be quite high without shifting up (I have an AT). So after about 10 seconds of trying to drive, the engine malfunction light comes back on, and so I pulled over again. When I came to a stop, the RPM would jump between 600 to 1200 every second. So I decided to uninstall cobb and called bmw road side service.

When I read the code form cobb, it showed over 5+ codes, and the ones I remember are fuel pump, injector, and dsc. There were a couple more but I can't remember them. My car is currently in bmw of sterling, waiting for a diagnostic. Would appreciate some opinions from the guys here. Thanks!

Summary:

Cobb stage 1 -> WOT in 2nd -> exhaust changed sound (became deeper) -> engine malfunction light -> pulled over, vibration during idle -> uninstalled cobb -> car goes very slow even at more than 50% throttle -> pulled over, RPM jumps between 600-1200 -> towed
you have to post the codes.....
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      04-23-2012, 05:53 AM   #4776
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The change in exhaust note, is this not just some odd little thing that the COBB tune does randomly on occassion? I was cruising at 50mph yesterday and all of a sudden the exhaust note changed, I'm guessing the WG's open slightly more or something. No issues with the car at all, v4.01 (again).

Other than that, no complaints and I haven't noticed rich running since reflashing the v4.01 which is odd. I'm sticking here for the time being and will wait for the official release .
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      04-23-2012, 07:16 AM   #4777
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Quote:
Originally Posted by JamJay View Post
The change in exhaust note, is this not just some odd little thing that the COBB tune does randomly on occassion? I was cruising at 50mph yesterday and all of a sudden the exhaust note changed, I'm guessing the WG's open slightly more or something. No issues with the car at all, v4.01 (again).

Other than that, no complaints and I haven't noticed rich running since reflashing the v4.01 which is odd. I'm sticking here for the time being and will wait for the official release .
I am pretty sure is just the change in WG. I also get that a bit annoying sometime.
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      04-23-2012, 12:19 PM   #4778
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Quote:
Originally Posted by enrita View Post
you have to post the codes.....
I wish I had written down the notes but I wash in a rush to uninstall cobb before the tow truck came. There were over 5+ codes that cobb showed, the ones I remember said fuel pump, injector, and dsc malfunction. I dunno if these are helpful or not
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      04-23-2012, 12:49 PM   #4779
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Are the v400 maps coming out of beta anytime soon?
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      04-23-2012, 12:51 PM   #4780
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335i

Hi,
I was looking to buy a car and I found few great deals on:

http://localcarsale.net/?_nkw=335i&_...=&_trksid=m270

Any advice is welcomed!
Thank you.
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      04-23-2012, 02:12 PM   #4781
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Quote:
Originally Posted by bmwm3redblack View Post
I experiencing similar smell using v301,people told it's smth with the tranny or clutch,but i swear i am not abusing it that much!!!
I don't even abuse mine... mine is DD so I can't afford my car to have too many problems. I just notice the smell when sitting at a stoplight in traffic. Less smelly in v301 than v400 maps. Def smells like burnt tranny or clutch, but I have AT so I don;t know if that's possible.

My sister said she couldn't smell it on the passenger side but more on the driver side. This is a noticeable observation since I am getting more soot on the driver side exhaust pipe. Anyone else have some insight to what this could be?
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      04-23-2012, 02:13 PM   #4782
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Quote:
Originally Posted by tashellevedder4 View Post
Hi,
I was looking to buy a car and I found few great deals on:

http://localcarsale.net/?_nkw=335i&_...=&_trksid=m270

Any advice is welcomed!
Thank you.
This doesn't exactly belong in the "Cobb tuning" thread Lol. You will probably get better/more responses if you posted in the general 3 series section.
FWIW: my advice to buy a low mileage car under CPO warranty that is unmodified.
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      04-23-2012, 02:15 PM   #4783
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Quote:
Originally Posted by blakonblak View Post
I don't even abuse mine... mine is DD so I can't afford my car to have too many problems. I just notice the smell when sitting at a stoplight in traffic. Less smelly in v301 than v400 maps. Def smells like burnt tranny or clutch, but I have AT so I don;t know if that's possible.

My sister said she couldn't smell it on the passenger side but more on the driver side. This is a noticeable observation since I am getting more soot on the driver side exhaust pipe. Anyone else have some insight to what this could be?
If you have aftermarket exhaust(or possibly even if it's stock) you may have a leak at the midpipe and you are smelling the exhaust. But that's just a guess.
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      04-24-2012, 05:53 AM   #4784
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Originally Posted by marv85 View Post
barke 3am bitkazder ktir :P

man, you never sent out that invite on gmail. ba3dak newe teje 3al USA?
Yeah, sent you PM
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      04-24-2012, 08:30 AM   #4785
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Coming from the JB4 the Cobb is a nice and clean throttle and less "cut up" for lack of a better term.

I do notice when running 4.01 St 1 aggressive excessive soot, as some of you mentioned on the exhaust.

Seems to be running a bit rich at idle or low rpm.
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      04-24-2012, 09:56 AM   #4786
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Quote:
Originally Posted by rader1 View Post
If you have aftermarket exhaust(or possibly even if it's stock) you may have a leak at the midpipe and you are smelling the exhaust. But that's just a guess.
I have catless DP and just an axleback. Is this smell the catless smell that everyone hates? I thought the catless smell was just a gasoline like smell?
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      04-24-2012, 10:01 AM   #4787
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Quote:
Originally Posted by blakonblak View Post
I have catless DP and just an axleback. Is this smell the catless smell that everyone hates? I thought the catless smell was just a gasoline like smell?
you are not catless, midpipes have cats.
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      04-24-2012, 11:09 AM   #4788
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ATR is currently in testing and we are hoping for a release very soon. We don't have an exact ETA, but I'm hoping before June. The v400 maps will be released out of Beta once we resolve the boost oscillation issue. The fix is currently in testing and we're expecting positive results!

Ian
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      04-24-2012, 11:22 AM   #4789
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Quote:
Originally Posted by blakonblak View Post
I have catless DP and just an axleback. Is this smell the catless smell that everyone hates? I thought the catless smell was just a gasoline like smell?
With your secondary cats still in place you should not be getting too much of a fuel/exhaust smell...
If you go completely catless and remove the 2nd cats, then you WILL notice a distinct smell.
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      04-24-2012, 12:24 PM   #4790
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Quote:
Originally Posted by blakonblak View Post
I have catless DP and just an axleback. Is this smell the catless smell that everyone hates? I thought the catless smell was just a gasoline like smell?
I was suggesting that maybe where the mids and DPs bolt together you may have an exhaust leak. You should hear an exhaust leak, but it could be a small one.

No, the catless smell doesn't smell like gasoline. It's hard to describe but it's not gasoline. It's kind of like a sulfer smell.
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      04-24-2012, 12:53 PM   #4791
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Quote:
Originally Posted by COBB Tuning View Post
ATR is currently in testing and we are hoping for a release very soon. We don't have an exact ETA, but I'm hoping before June. The v400 maps will be released out of Beta once we resolve the boost oscillation issue. The fix is currently in testing and we're expecting positive results!

Ian
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      04-24-2012, 01:44 PM   #4792
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Quote:
Originally Posted by rader1 View Post
I was suggesting that maybe where the mids and DPs bolt together you may have an exhaust leak. You should hear an exhaust leak, but it could be a small one.

No, the catless smell doesn't smell like gasoline. It's hard to describe but it's not gasoline. It's kind of like a sulfer smell.

Agreed. That smell is like being behind an old muscle car, not so much gasoline, but a sulfur"ish" odor.
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      04-24-2012, 02:29 PM   #4793
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Quote:
Originally Posted by rader1 View Post
I was suggesting that maybe where the mids and DPs bolt together you may have an exhaust leak. You should hear an exhaust leak, but it could be a small one.

No, the catless smell doesn't smell like gasoline. It's hard to describe but it's not gasoline. It's kind of like a sulfer smell.
I will check the connection. Does it sounds like an intake leak almost?
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      04-24-2012, 04:38 PM   #4794
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Quote:
Originally Posted by COBB Tuning View Post
ATR is currently in testing and we are hoping for a release very soon. We don't have an exact ETA, but I'm hoping before June. The v400 maps will be released out of Beta once we resolve the boost oscillation issue. The fix is currently in testing and we're expecting positive results!

Ian
*sets outlook calendar update to May 31 2012 *

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      04-24-2012, 06:00 PM   #4795
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Quote:
Originally Posted by COBB Tuning View Post
ATR is currently in testing and we are hoping for a release very soon. We don't have an exact ETA, but I'm hoping before June. The v400 maps will be released out of Beta once we resolve the boost oscillation issue. The fix is currently in testing and we're expecting positive results!

Ian
What about meth/race gas maps? You guys said those were supposed to be ready by the end of march and its now almost the end of april?
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      04-24-2012, 09:08 PM   #4796
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Quote:
Originally Posted by kdiggz View Post
Yes, they said they don't need any (any more) testers currently. It's a shame because there is a dyno day at the local tuner shop on May 4 so I was really hoping to be able to get some numbers for you guys. Bummer
You can't believe how much I feel your pain for not having numbers to share
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