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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 > LagFix2/DTC mapswitching/6AT/6MT beta update



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      09-01-2009, 04:30 PM   #1
shiv@vishnu
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Exclamation LagFix2/DTC mapswitching/6AT/6MT beta update

Emails sent out to beta folks with the following goodies:

1) newest DTC mapswitching firmware
2) new 6MT maps
3) new 6AT maps

Both 6MT and 6AT guys can enjoy substantially more power above 6000rpm. And 6AT guys will notice enhanced smoothness, power and quicker shift speeds. See datalog below of a 3rd to 4th shift in a 6AT:



This is with ushift softening of 0%. Notice how the actual throttle (CAN dbw throttle) barely even closes during the upshift process. This means close to full boost between shifts with absolutely no shift-induced lag/recovery time.

Cheers,
shiv
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      09-01-2009, 04:32 PM   #2
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just got your email... can't wait to load it up tonight and take it for spin
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      09-01-2009, 04:33 PM   #3
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Its going to be an interesting night.
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      09-01-2009, 04:35 PM   #4
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thanks shiv, Ill try it tonight and take it to the track on friday! This will work for stahe 2 right?
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      09-01-2009, 04:37 PM   #5
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Quote:
Originally Posted by sports4players View Post
thanks shiv, Ill try it tonight and take it to the track on friday! This will work for stahe 2 right?
Everything is explained in the email
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      09-01-2009, 04:42 PM   #6
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Have you forgotten the Rev 1 guys...?
The M5board-event is coming closer and closer.
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      09-01-2009, 04:42 PM   #7
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loaded, time for some testing! I really can't wait for what's next
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      09-01-2009, 04:42 PM   #8
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Can I help with mocking people publicly
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      09-01-2009, 04:42 PM   #9
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I'll join in the fun too
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      09-01-2009, 04:47 PM   #10
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Quote:
Originally Posted by Big Tom View Post
Have you forgotten the Rev 1 guys...?
The M5board-event is coming closer and closer.
Hang tight for now. We are making good progress. Although we will not be able to implement some of these new changes for Rev.1 applications since we are relying on CANbus data in many instances.

Shiv
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      09-01-2009, 05:05 PM   #11
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Quote:
Originally Posted by shiv@vishnu View Post
Hang tight for now. We are making good progress. Although we will not be able to implement some of these new changes for Rev.1 applications since we are relying on CANbus data in many instances.

Shiv
I'm counting on you Shiv. I really hope to see a updated LagFix for Rev 1 users also!

Deadline is the 20th of September.
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      09-01-2009, 05:28 PM   #12
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oh and by the way shiv, that datalog is effing impressive.... so little boost drop between shifts
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      09-01-2009, 05:34 PM   #13
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      09-01-2009, 05:55 PM   #14
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I really want this version of lagfix...

If I only I had it before I go to the track tomorrow
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      09-01-2009, 06:36 PM   #15
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Loaded and taking it for a nice enthusiatic drive....Back with some feedback of the new maps and map switching capabilities!
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      09-01-2009, 07:19 PM   #16
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Someone's going to get publicly mocked.
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      09-01-2009, 07:24 PM   #17
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      09-01-2009, 07:28 PM   #18
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More power? Yes, please.

Thanks! I can use the old firmware (non-DTC mapswitching) ?
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      09-01-2009, 07:33 PM   #19
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Quote:
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More power? Yes, please.

Thanks! I can use the old firmware (non-DTC mapswitching) ?
No, you will have to use the new firmware that I emailed with the beta maps. I'd anyone has any moe questions, please email me directly.

Shiv
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      09-01-2009, 07:42 PM   #20
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alright...heading out for a drive. will report. should be alot of fun.
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      09-01-2009, 08:40 PM   #21
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good god Shiv...what have you done. This is the biggest improvement Ive felt since I got a procede. Wow!! Instant amazing torque and it simply screams to redline. How did you get the 6at to shift so fast? My car is stage 1 (I think), with shell 93 and dci and I have it set to ut 75 and ign. corr. 75 and my car is faster than ever by a large margin. You just have to drive it to see what Im talking about. Im going to get in a lot of trouble with this car. great job team vishnu.
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      09-01-2009, 09:02 PM   #22
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i cant wait, just took off all my mods, my lease is up on the 335xi sedan. picking up a 135i on thursday
Procede going back on that night with new software.
(trying to save some money had to down grade)
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