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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 > Has anyone contacted BMW regarding 29.2 and lag?



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      10-27-2008, 08:33 PM   #2553
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What might E89X-08-09-520 stand for? Car is manufactured in september 30 2008.

Thx alot.
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      10-27-2008, 08:39 PM   #2554
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      10-27-2008, 08:57 PM   #2555
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E92fan...Its time for one of the "original six" to chime in and give my 2c...I am thrilled that BMW on the other side of the pond looks serve you Beluga caviar with your service visits. As us on this side of the pond cant even get our SM's to piss on us when we are on fire. If your problem is solved and you are happy, more power to you and I thank you for all the info, but, as been said a few posts ago and I tend to agree, I find it troubling that your BMW dealer practically gave you a whole new car in parts and we cant even get a new spark plug wire. The info you gave us sure sounds logical and rather simple to apply. With that being said I wonder why it is so difficult for the US dealers to apply what you have givin us? I do remember the BMW engineer who went with me for a ride saying that the European software versions were completely different than the US versions with emissions and safety (yes he really said safety) and that the ecu software version numbers were different than the US versions. I now know this is not true as with alot of what he spewed.
Trust me when I say that I would love to sprint over to my dealer and give him the info you just gave us and have him tell me " come on down and we will have it fixed in a jiffy", but, I have a feeling I have a better chance of getting the same old story of ancient civilizations of southeast Asia.
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      10-28-2008, 08:07 AM   #2556
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Quote:
Originally Posted by RBBMWE46M3 View Post
E92fan...Its time for one of the "original six" to chime in and give my 2c...I am thrilled that BMW on the other side of the pond looks serve you Beluga caviar with your service visits. As us on this side of the pond cant even get our SM's to piss on us when we are on fire. If your problem is solved and you are happy, more power to you and I thank you for all the info, but, as been said a few posts ago and I tend to agree, I find it troubling that your BMW dealer practically gave you a whole new car in parts and we cant even get a new spark plug wire. The info you gave us sure sounds logical and rather simple to apply. With that being said I wonder why it is so difficult for the US dealers to apply what you have givin us? I do remember the BMW engineer who went with me for a ride saying that the European software versions were completely different than the US versions with emissions and safety (yes he really said safety) and that the ecu software version numbers were different than the US versions. I now know this is not true as with alot of what he spewed.
Trust me when I say that I would love to sprint over to my dealer and give him the info you just gave us and have him tell me " come on down and we will have it fixed in a jiffy", but, I have a feeling I have a better chance of getting the same old story of ancient civilizations of southeast Asia.

I couldn't have said this any better. I need to hold off until there is a DME update and as far as we all know there is no such update associated with v31. If I were to try and go to my dealership and tell them their machines are not calibrated correctly and they need to have them replaced it would not get me anywhere. As many have mentioned already I really appreciate your input E92 and please continue to supply us with as much informative material as you can but it is a different game here in the US. I wrote my SM last night and I will post later and tell you what he said but I guarantee it will not be promising.

Also, can you (E92) provide us with some more information on the PUMA case. If there is a number associated with it so I can reference that to my dealer.
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      10-28-2008, 09:28 AM   #2557
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"...one of the original six" ... You guys are funny w/that original 6 stuff. What are you - the new Ocean eleven gang
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      10-28-2008, 09:44 AM   #2558
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Quote:
Originally Posted by BMWagain View Post
The pipes sounds terrific. Louder than the democar a year ago.

There is about one second delay in M5 and M6 at 1300-1800 rpm before it takes on.
Welcome to lag/virus/29.2+ hell. Imagine how much more you'd love the car if it sounded and performed as it should!
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      10-28-2008, 09:47 AM   #2559
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"...one of the original six" ... You guys are funny w/that original 6 stuff. What are you - the new Ocean eleven gang
It's actually a spin off of the Magnificent Seven!
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      10-28-2008, 11:51 AM   #2560
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i think that March 2008 manufactured cars has no lag 29.1.1
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      10-28-2008, 02:28 PM   #2561
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Actually itīs 31.1

and after driving a couple of hours more the delay decreased considerably so I think it is allright
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      10-28-2008, 02:31 PM   #2562
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Quote:
Originally Posted by **335i** View Post
i think that March 2008 manufactured cars has no lag 29.1.1
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      10-28-2008, 05:34 PM   #2563
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Quote:
Originally Posted by BMWagain View Post
Actually itīs 31.1

and after driving a couple of hours more the delay decreased considerably so I think it is allright
Forgive me but "Lost in Translation" What are you saying?
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      10-28-2008, 05:42 PM   #2564
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I don't understand what's going on. There are several reports that BMW NA understands that there is a lag issue, and is working on a fix. Then there are reports that BMW states that is how its supposed to drive from now on.

What's the real answer here? Does anyone really know the answer, beside just making conjectures?
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      10-28-2008, 06:41 PM   #2565
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Quote:
Originally Posted by Christos View Post
Forgive me but "Lost in Translation" What are you saying?
There is always some delay at low revs and a high gear ok?
I say my car runs great.
Hitting the gas at 2000 rpm gives instant response.
What the guys with v.29.2 have been writing here is there is no go under 3000 rpm. Another truth is that BMW never had 400nm torque at 1300 rpm. It reaches 400nm at 3200
Itīs 150nm at 1300 rpm.
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      10-28-2008, 06:42 PM   #2566
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Does anyone really know the answer, beside just making conjectures?
No
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      10-28-2008, 07:55 PM   #2567
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Quote:
Originally Posted by BMWagain View Post
There is always some delay at low revs and a high gear ok?
I say my car runs great.
Hitting the gas at 2000 rpm gives instant response.
What the guys with v.29.2 have been writing here is there is no go under 3000 rpm. Another truth is that BMW never had 400nm torque at 1300 rpm. It reaches 400nm at 3200
Itīs 150nm at 1300 rpm.
Anything else you want to correct?
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      10-28-2008, 07:59 PM   #2568
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Originally Posted by dinkoh View Post
Does anyone really know the answer, beside just making conjectures?

The reason there is only conjecture is because BMW is doing a great job of lying and keeping everyone confused. That and the occasional carrot in the form of 'a fix will be out in __weeks' seems to be BMW's way of dealing with the problem. BMW is the most dishonest company I have ever dealt with.
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      10-28-2008, 08:14 PM   #2569
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I took the wifes xi to work today to have a dent fixed, PDR. She has a pre 29.2, I could tell a very big difference with low end torque, mine recently got the 29.2. I left her car in drive and tested it, and then tried DS, and manual shifting. To me, when having her car in D, it was like having mine in DS mode. Mine just feels so flat until it hits 3000 rpm, I find myself using DS mode all the time, just to get the car moving.
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      10-28-2008, 09:59 PM   #2570
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How stupid is this
BMW pretends they are unaware of their new software detuning our cars.

So it takes an aftermarket tuner to fix it

BMW sucks.

Vishnu Rocks- from their new Plug and Play-
http://www.vishnutuning.com/V3PNPRace.htm
Lag Fix
This parameter enables a “fix” for those owners who have been undated with an unfortunate software version at the dealership. This version has been shown to reduce turbo boost response below 4000rpm. When this parameter is enabled, an alternate duty cycle map is activated in the PROcede- one specifically designed to eliminate the lag caused by the aforementioned software update. Do not activate this feature unless you have this lag-inducing software version. Doing so may result in a trouble code/limp mode.
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      10-29-2008, 01:01 AM   #2571
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I went to BMW of Valencia today for a software-retrofit on my 335i coupe to activate the alarm and they did a complete software update.... I asked specifically about the 29.2 and told them i didn't want any negative effects. if thats what i was getting i didnt want it.
I was told that the latest version v31.1 is good . i'm a truster, so i went for it. i bought my car at the beginning of August and my guess i was post v.29.2 but pre anything near v.31.1..... as my car drives differently now after the update. feels to me like there is more low end power and with a smoother delivery. I am happy. tho i have not "nailed it yet". Hope i wasnt fooled by my own wishful thinking.
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      10-29-2008, 01:19 AM   #2572
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Quote:
Originally Posted by imoksoami View Post
How stupid is this
BMW pretends they are unaware of their new software detuning our cars.

So it takes an aftermarket tuner to fix it

BMW sucks.

Vishnu Rocks- from their new Plug and Play-
http://www.vishnutuning.com/V3PNPRace.htm
Lag Fix
This parameter enables a “fix” for those owners who have been undated with an unfortunate software version at the dealership. This version has been shown to reduce turbo boost response below 4000rpm. When this parameter is enabled, an alternate duty cycle map is activated in the PROcede- one specifically designed to eliminate the lag caused by the aforementioned software update. Do not activate this feature unless you have this lag-inducing software version. Doing so may result in a trouble code/limp mode.
Complete with this note....

Quote:
NOTE: For beta testing purposes, this feature has been temporarily disabled. Since I no longer have the laggy software update in our car, I will have to develop a alternative duty cycle map on customer cars. I'll need a few more days for this.
Working around bugs/design flaws/flawed implementations is never easy. It's a cat and mouse game that will be played until the cat perishes.
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      10-29-2008, 04:15 AM   #2573
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Post Touché

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Originally Posted by imoksoami View Post
Anything else you want to correct?
No not at the time.
I will try to get a scanner and scan in my evidence of
torque and power curves.
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      10-29-2008, 07:41 AM   #2574
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CarMag test

No shadow on 335i. Itīs an amazing car.Today I had fun with a 2005 M3 coupé on the highway.He knew what was going on. He was up to it.It was low traffic and a motorway. I gained at him. He didnīt save anything. We were doing at the most
150 mph. No where he pulled away. He stopped and we had a chat. He looked embaressed but said it was fun.
I just wanna say that so y dont think I wanna degrade
our super 335i as I post a test taken 2006 in september
by a high reputable carmagazine here in Scandinavia.
Rototest performed the dynotest.
Excuse me for the bad quality but I had no scanner, just a camera. Its fantastic how bloody good this car performs when one take these data in perspective.
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