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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Steptronic owners-improve shifts



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      06-08-2008, 02:45 PM   #45
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Tried it and it worked for me
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      06-08-2008, 04:53 PM   #46
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tried it today..and wow such a big difference..the car picks up so much faster and the down shifts are smoooooth..so impressed!
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      06-08-2008, 06:22 PM   #47
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Felt more like a placebo, piece of mind, or maybe because when I did it my car was only 1500miles old
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      06-09-2008, 07:12 AM   #48
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i think i should give a shoot...
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      06-20-2008, 12:27 PM   #49
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Quote:
Originally Posted by canucklion View Post
interesting!

Matt, can you chime in to see if this is true?
My name isn't Matt, but it is true.
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      06-23-2008, 09:14 AM   #50
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Yup, this just cured 9 months of aggravation for me in 30 seconds. I bought my 328xi with 5k miles, and it had a lurchy start from day one. I learned later that if I pushed the pedal down further, faster, it would get beyond the "lurchy" bit better than if I pushed the pedal a reasonable distance.

After having done the "reset" there is now noticably smoother acceleration from first contact with the pedal all the way through pushing it down.

MY thoughts on what's going on is that there is probably a pedal travel sensor that learns if you have a heavy foot or a light one, and responds accordingly. The previous owner probably pushed down harder than I do, so for D mode, it required a heavy foot to accelerate smoothly. Now having done the reset, the pedal is far more sensitive to my lighter foot.

Therefore, not sure if this is about the transmission, or the gas pedal, but the reset definitely solved a long standing problem that a dealer software flash could not solve.
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      07-03-2008, 02:56 PM   #51
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So, what you're saying is I should get on the highway with the car in D and push the right petal as far as it goes for 25 seconds and my shifts will be smoother! LOL


(kidding of course..I only usually do this for 20 seconds or until I see flashing lights behind me!)
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      07-03-2008, 03:11 PM   #52
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worked for me. it offset the crappy ass shifting of my friend when he drives
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      07-11-2008, 11:07 PM   #53
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I just did this in my garage - will drive it in the morning and report results. I did this on my old G35 by just disconnecting the battery overnight. It worked wonders! -TMc
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      07-12-2008, 02:40 PM   #54
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Quote:
Originally Posted by TMack View Post
I just did this in my garage - will drive it in the morning and report results. I did this on my old G35 by just disconnecting the battery overnight. It worked wonders! -TMc
Did it and it makes an obvious difference. I just acquired my 330i last week and it must have been driven by an old lady to and from church. After this simple procedure, I feel like I just significantly upgraded torque. Amazing!
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      09-24-2008, 02:57 AM   #55
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worked for me too!!!

shifts in in D/S mode are more instant then before. no jerks.
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      10-02-2008, 10:46 PM   #56
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Didn't work for me: 08' 328xi with paddles.
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      10-10-2008, 05:53 PM   #57
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LOL this is not a reset
Its just when you step down on the pedal for 25 seconds...the computer program remembers how heavy your foot is (as in how much gas....how aggresive you drive)
so when you do this process and start the car....its in the program where the computer remembers that you were driving aggresively

so does this work...yes, but only for a short time
unless you do this process every morning
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      10-12-2008, 10:08 AM   #58
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This is at best a placebo. Nothing happened on my crap car.
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      10-12-2008, 01:32 PM   #59
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Quote:
Originally Posted by Eastmeetswest View Post
I forgot if I posted this or not but read it on a different forum and works really really well for you steptronic owners out there. WOrked wonders for me. Basicaly as you know your tranny "learns" and changes itself according to your driving style. Depending on how you have driven you may notice really jerky or rough shifts between gears if you have driven aggressivly or really slow passive shifts from driving like a grandma

Simple steps

1. Turn cars electronics on-push start button once or twice without turning the actual engine on.

2.Hold the gas pedal to the floor for 25 seconds
3. Most times you will hear the gearbox resetting itself and hear some "noise" coming from your car but not always noticable so dont worry if you dont
4 Now start your car and enjoy the gearbox reset to its factor settings and open for all new learning. The shifts are silky smooth again and shift points shift faster-basically it totally makes your tranny perform better.

It is a verified thing by BMW and definetly works
For best effect then, do you have to stamp on the pedal as fast as possible to make the computer think you want max attack mode ?

Presume after the 25 secs you lift off the gas pedal before starting also !

My tranny is jerky and needs re-training.

Yves
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      10-12-2008, 07:01 PM   #60
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+1, worked for me too!! cured the jerky up/down shifts.
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      10-17-2008, 01:38 AM   #61
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2 of my friends are BMW techs, they said it doesnt work on the E90s, it works on the other bmw models, which i believe included the x3, 5series, and 7series
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      10-18-2008, 06:55 PM   #62
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Quote:
Originally Posted by 0xdeadbeef View Post
I picked up a not-so-gently used 335 coupe last weekend and spent the week trying to figure out how to launch smoothly in traffic. Giving it gas, the engine would rev a bit then the tranny would kick in for a somewhat jerky start. I tried the procedure described here and I noticed a big improvement. It's much smoother.

So it either worked and I'm satisfied, or I think it worked and I'm satisfied.
Let's say you have a headache. You find a bottle that says "headache pills". You take one. Your headache goes away. Does it matter whether it is an aspirin or a sugar pill? Hmmm.... Not sure it does.
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      03-19-2009, 02:36 AM   #63
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For the people who said this works, it is all in your head. Why would you hear a noise when it resets? It's supposed to be a software reset, not a mechanical reset.
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      03-19-2009, 11:23 PM   #64
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Right so I dont know about the tranny reset but i am very interested about the hidden menu, I found it but it wont let me unlock it. When i get to no. 19 and it says lock code it wont let me enter the code, when i push the odo button it goes back to menu 1, any ideas?
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      03-20-2009, 08:58 PM   #65
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disconnecting the battery probably work better
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      06-18-2009, 10:46 PM   #66
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my dealer had reset the gearbox for me and the gear change was much smoother. now its gone jerky again and the 25 secs trick never worked for me.
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