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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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      09-03-2013, 10:09 AM   #8185
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Quote:
Originally Posted by UMich_335i View Post
Are there plans for a stage 1+ package with the v3 AP?
Not sure exactly what you are asking? Yes they have MAPs for S1+, is that what you were inquiring? It's all on their website.

Oh wait, you mean this but with v3?

http://www.cobbtuning.com/BMW-N54-St...e-p/6b1x01.htm

Send them an email, I am sure they do.
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      09-04-2013, 07:10 AM   #8186
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P0171, P29e0

Seem to be pulling these codes after about 50 miles of driving now: P0171- Bank 1 lean, P29E0- Fuel Mixture.

The car is a 335is, with 39k, spark plugs changed, fuel injectors 4 & 6 replaced, charge pipe replaced, LPFP sensor changed, LPFP tested and still good.

Running Stage 2+ Aggressive.

BMS DCI, ETS intercooler, ETS Catless DPs.

First instinct is O2 sensors are swapped in the DPs, I had previously once every 3-5k miles received the lamba circuit SES code.
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      09-04-2013, 10:15 AM   #8187
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Quote:
Originally Posted by D25mn View Post
Seem to be pulling these codes after about 50 miles of driving now: P0171- Bank 1 lean, P29E0- Fuel Mixture.

The car is a 335is, with 39k, spark plugs changed, fuel injectors 4 & 6 replaced, charge pipe replaced, LPFP sensor changed, LPFP tested and still good.

Running Stage 2+ Aggressive.

BMS DCI, ETS intercooler, ETS Catless DPs.

First instinct is O2 sensors are swapped in the DPs, I had previously once every 3-5k miles received the lamba circuit SES code.
Just checked the O2 sensors, they are in the right place does anyone have any ideas, the codes came back pretty quickly after I clear them today as well, on start-up.
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      09-04-2013, 10:18 AM   #8188
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Quote:
Originally Posted by D25mn View Post
Just checked the O2 sensors, they are in the right place does anyone have any ideas, the codes came back pretty quickly after I clear them today as well, on start-up.
DME is obviously sensing a lean condition in one of the exhaust banks, but you’ve knocked out most of the typical culprits. Is the car drivable enough to pull a WOT log? If you’re running pump gas, it’s tough to believe that an OTS map would get you into trim issues. Hm…It could just be that an O2 got fried, it’s one of the least reliable sensors on the car and fails with alarming frequency. This would be the pre-cat O2, to be clear.
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      09-04-2013, 03:42 PM   #8189
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is there any performance or map differences between the V2 & V3?
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      09-04-2013, 05:22 PM   #8190
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Quote:
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is there any performance or map differences between the V2 & V3?
No
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      09-05-2013, 10:47 AM   #8191
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Does cobb release updated maps or software for the AP? and if so, what is the process of updating a used AP like?
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      09-05-2013, 10:56 AM   #8192
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Quote:
Originally Posted by rborane View Post
Does cobb release updated maps or software for the AP? and if so, what is the process of updating a used AP like?
Just plug it in and it will prompt an update if any are avail.
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      09-05-2013, 12:19 PM   #8193
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Quote:
Originally Posted by rborane View Post
Does cobb release updated maps or software for the AP? and if so, what is the process of updating a used AP like?
Quote:
Originally Posted by 135Pats View Post
Just plug it in and it will prompt an update if any are avail.
be sure the AP Manager application is set to auto prompt updates. If not click on update in the application.
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      09-05-2013, 01:58 PM   #8194
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Quote:
Originally Posted by D25mn
Seem to be pulling these codes after about 50 miles of driving now: P0171- Bank 1 lean, P29E0- Fuel Mixture.

The car is a 335is, with 39k, spark plugs changed, fuel injectors 4 & 6 replaced, charge pipe replaced, LPFP sensor changed, LPFP tested and still good.

Running Stage 2+ Aggressive.

BMS DCI, ETS intercooler, ETS Catless DPs.

First instinct is O2 sensors are swapped in the DPs, I had previously once every 3-5k miles received the lamba circuit SES code.
Are you running strictly pump gas? Any fuel additives, ethanol, race gas etc?
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      09-06-2013, 09:21 AM   #8195
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Quote:
Originally Posted by D25mn View Post
Seem to be pulling these codes after about 50 miles of driving now: P0171- Bank 1 lean, P29E0- Fuel Mixture.

The car is a 335is, with 39k, spark plugs changed, fuel injectors 4 & 6 replaced, charge pipe replaced, LPFP sensor changed, LPFP tested and still good.

Running Stage 2+ Aggressive.

BMS DCI, ETS intercooler, ETS Catless DPs.

First instinct is O2 sensors are swapped in the DPs, I had previously once every 3-5k miles received the lamba circuit SES code.
I just experienced the exact same problem with Bank 2, but I'm running stage 1+ as I put my DP's back on. Well, my exact mods are:

Stett CAI, ER FMIC, and I put the DP's back on for my emmission test. Car was running fine for a few months and under light load, I got the SES light on with similar codes. I uninstalled Cobb and cleared ECU, codes popped up again. I kept the tune off the car and brought it back to the dealer. They couldn't find anything wrong with the car, cleared the codes and reflashed the car. I just got it back this morning and drove it around a bit, no codes yet.

I'm running pump gas, 93 octane. This is strange because I'm noticing a few other threads where people are getting these codes now as well.
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      09-06-2013, 10:21 AM   #8196
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Quote:
Originally Posted by BMWsky View Post
I just experienced the exact same problem with Bank 2, but I'm running stage 1+ as I put my DP's back on. Well, my exact mods are:

Stett CAI, ER FMIC, and I put the DP's back on for my emmission test. Car was running fine for a few months and under light load, I got the SES light on with similar codes. I uninstalled Cobb and cleared ECU, codes popped up again. I kept the tune off the car and brought it back to the dealer. They couldn't find anything wrong with the car, cleared the codes and reflashed the car. I just got it back this morning and drove it around a bit, no codes yet.

I'm running pump gas, 93 octane. This is strange because I'm noticing a few other threads where people are getting these codes now as well.
this happens to me from time to time...for me it's bank 1. happened to me this am as a matter of fact...it's odd because I datalog and the car is running fine from a fueling perspective. Others on here have this issue too and I haven't heard of a root cause to this point. I was running an E40 mixture last week but I dwindled it down, filled up with 93 and was running a pump gas map then back to stock for a dealer visit.
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      09-08-2013, 11:53 AM   #8197
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Quote:
Originally Posted by D25mn View Post
Seem to be pulling these codes after about 50 miles of driving now: P0171- Bank 1 lean, P29E0- Fuel Mixture.

The car is a 335is, with 39k, spark plugs changed, fuel injectors 4 & 6 replaced, charge pipe replaced, LPFP sensor changed, LPFP tested and still good.

Running Stage 2+ Aggressive.

BMS DCI, ETS intercooler, ETS Catless DPs.

First instinct is O2 sensors are swapped in the DPs, I had previously once every 3-5k miles received the lamba circuit SES code.
Hey there, I had the same issue you had, it took my tech guy a week to figure this out (he was busy with other cars as well) but in the end it was changing out all 6 fuel injectors that resolved the issue. Let me know if it works for you as well.
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      09-09-2013, 07:16 PM   #8198
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Stage 1+ Packaged Ordered

Just ordered my Stage 1+ package with v3 AP from Aaron at Cobb today, can't wait for the delivery!! Too bad its on backorder right now, helps justify the decision that many others are making the purchase as well.

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      09-09-2013, 07:23 PM   #8199
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Quote:
Originally Posted by UMich_335i View Post
Just ordered my Stage 1+ package with v3 AP from Aaron at Cobb today, can't wait for the delivery!! Too bad its on backorder right now, helps justify the decision that many others are making the purchase as well.

Congrats! That intercooler looks really nice.
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      09-09-2013, 11:47 PM   #8200
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Quote:
Originally Posted by UMich_335i View Post
Just ordered my Stage 1+ package with v3 AP from Aaron at Cobb today, can't wait for the delivery!! Too bad its on backorder right now, helps justify the decision that many others are making the purchase as well.

nice, I am too awaiting delivery of the v3 AP. I feel like xmas is coming early
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      09-10-2013, 06:51 AM   #8201
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With the V3 having the ability to log and monitor and read codes and all that it does, is there any reason to have a BT Scan cable ?
If you only have access to 91 octane what kind of increases can be expected on a stock motor with no mods at all? If you were going to add one mod to the engine/exhaust, which would be the most bang for the buck when used with Cobb?
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      09-10-2013, 08:33 AM   #8202
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Quote:
Originally Posted by Quisp View Post
With the V3 having the ability to log and monitor and read codes and all that it does, is there any reason to have a BT Scan cable ?
If you only have access to 91 octane what kind of increases can be expected on a stock motor with no mods at all? If you were going to add one mod to the engine/exhaust, which would be the most bang for the buck when used with Cobb?
These topics have been covered extensively, do some searching. In terms of bang for buck, downpipes are going to provide the largest power delta after a tune. Personally I’d go with a better intercooler in Arizona before downpipes.

With 91 octane you probably won’t be able to run any of the “aggressive” maps, so you’ll be pretty limited to be honest. Still a noticeable delta from stock, but the lack of octane is a killer. Do you have any means of getting E-85? Meth would do wonders for an Arizona car running 91 octane.
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      09-10-2013, 03:09 PM   #8203
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Quote:
Originally Posted by Quisp View Post
With the V3 having the ability to log and monitor and read codes and all that it does, is there any reason to have a BT Scan cable ?
If you only have access to 91 octane what kind of increases can be expected on a stock motor with no mods at all? If you were going to add one mod to the engine/exhaust, which would be the most bang for the buck when used with Cobb?
Read the website and do your home work. Your best bet is stage 1+ and buying a fmic.
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      09-10-2013, 03:39 PM   #8204
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Thanks for the info. I have been reading and I was trying to be sure I was understanding what I read. The information is not always crystal clear and I wanted to clarify it before possibly buying the wrong thing.
In Audis the VCDS cable reads codes, data logs and allows you to change the cars programming such as DRL settings, engine settings, alarms, window, etc. I forgot that you could not do that with BT Scan tool and needed to have someone code it for you. So given the cobb v3 logs and reads codes I don't see the reason for BTScan. If I am missing something please let me know.
We can get 100 octane racing fuel but at $7.00 a gallon and there are maybe two gas stations within 30 miles that sell it.
I had 2 other 335 coupes. One was running Dinan Stage 2 without an intercooler but had the second factory oil cooler and did not have any issue with temps or cooling.(the other was a Dinan s3 but it did have the intercooler).
On my TT RS the downpipes gave better results than cat back exhaust and I guess that is true for the 335 too.
I am trying to decide if given the fact that I am limited to 91 octane and there fore limited to the maps I can run, is the Cobb v3 worth it or should I be looking at something else?
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      09-10-2013, 03:43 PM   #8205
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Quote:
Originally Posted by Quisp View Post
Thanks for the info. I have been reading and I was trying to be sure I was understanding what I read. The information is not always crystal clear and I wanted to clarify it before possibly buying the wrong thing.
In Audis the VCDS cable reads codes, data logs and allows you to change the cars programming such as DRL settings, engine settings, alarms, window, etc. I forgot that you could not do that with BT Scan tool and needed to have someone code it for you. So given the cobb v3 logs and reads codes I don't see the reason for BTScan. If I am missing something please let me know.
We can get 100 octane racing fuel but at $7.00 a gallon and there are maybe two gas stations within 30 miles that sell it.
I had 2 other 335 coupes. One was running Dinan Stage 2 without an intercooler but had the second factory oil cooler and did not have any issue with temps or cooling.(the other was a Dinan s3 but it did have the intercooler).
On my TT RS the downpipes gave better results than cat back exhaust and I guess that is true for the 335 too.
I am trying to decide if given the fact that I am limited to 91 octane and there fore limited to the maps I can run, is the Cobb v3 worth it or should I be looking at something else?
Sorry i am lazy and didn't read the whole thread. Do you have access to E85? And COBB is very reputable, I don't think you will be disappointed. ProTuning available as well.
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      09-10-2013, 03:45 PM   #8206
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Quote:
Originally Posted by Quisp View Post
Thanks for the info. I have been reading and I was trying to be sure I was understanding what I read. The information is not always crystal clear and I wanted to clarify it before possibly buying the wrong thing.
In Audis the VCDS cable reads codes, data logs and allows you to change the cars programming such as DRL settings, engine settings, alarms, window, etc. I forgot that you could not do that with BT Scan tool and needed to have someone code it for you. So given the cobb v3 logs and reads codes I don't see the reason for BTScan. If I am missing something please let me know.
We can get 100 octane racing fuel but at $7.00 a gallon and there are maybe two gas stations within 30 miles that sell it.
I had 2 other 335 coupes. One was running Dinan Stage 2 without an intercooler but had the second factory oil cooler and did not have any issue with temps or cooling.(the other was a Dinan s3 but it did have the intercooler).
On my TT RS the downpipes gave better results than cat back exhaust and I guess that is true for the 335 too.
I am trying to decide if given the fact that I am limited to 91 octane and there fore limited to the maps I can run, is the Cobb v3 worth it or should I be looking at something else?
If you’re limited on the octane front, none of the tunes are going to be dramatically better than the other. You just won’t be able to target the type of boost, load, timing, etc that really opens things up on the tuning side. Yes, if you are satisfied w/ logging and code reading, no reason to buy a BT cable. Any E85 near you? Race gas is annoying and costly, E85 is much more accessible and user friendly.
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