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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 > 335is runs 12.2 on just JB4 and DCI



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      05-11-2012, 08:52 PM   #1
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335is runs 12.2 on just JB4 and DCI

Running 60/40 93/e85, I ran a 12.2. I'm on a custom map 6 on the new alpha JB4 firmware. Thanks to Terry for being so quick with responses and analyzing logs.
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      05-11-2012, 09:05 PM   #2
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Quote:
Originally Posted by lutfi001
Running 60/40 93/e85, I ran a 12.2. I'm on a custom map 6 on the new alpha JB4 firmware. Thanks to Terry for being so quick with responses and analyzing logs.
Wow! That's Good!
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      05-11-2012, 09:11 PM   #3
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Good job on the 60'.......What were the temps on the track ?
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      05-11-2012, 09:32 PM   #4
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Wow, amazing time
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      05-11-2012, 09:41 PM   #5
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Quote:
Originally Posted by BuraQ View Post
Good job on the 60'.......What were the temps on the track ?
It was around 75. I actually pulled a 1.89 60' on another run and thought I beat your record, but came to see you hit 1.84 since the last time I checked
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      05-11-2012, 09:42 PM   #6
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LOL Juicebox putting the numbers down. good run!!!
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      05-11-2012, 10:26 PM   #7
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That's amazing man. Your basically stock....

Just goes to show what an amazing tune the JB4 is and moreso that N54 beats. Good job BMW!
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      05-11-2012, 10:56 PM   #8
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That is a fast ass car brother!! Jb4 ftw, it's mo by the way
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      05-11-2012, 11:13 PM   #9
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Congrats on the great time!
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      05-11-2012, 11:43 PM   #10
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Quote:
Originally Posted by lutfi001 View Post
It was around 75. I actually pulled a 1.89 60' on another run and thought I beat your record, but came to see you hit 1.84 since the last time I checked
Word of advice, the cooler the transmission the better your 60' will be on good traction.

You can have good traction but if your transmission is too hot your 60' will suck

I was out on the track tonight when I saw your post, terrible only got three runs in and I was getting better every run
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      05-12-2012, 12:29 AM   #11
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Some Inpiration for the OP

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      05-12-2012, 06:14 AM   #12
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Quote:
Originally Posted by myotherbaby View Post
That is a fast ass car brother!! Jb4 ftw, it's mo by the way
Ayy mo! Whats good!?

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Word of advice, the cooler the transmission the better your 60' will be on good traction.

You can have good traction but if your transmission is too hot your 60' will suck

I was out on the track tonight when I saw your post, terrible only got three runs in and I was getting better every ru
Yea I definitely saw that, when I was doing back to back runs, they steadily got worse, but if I let the car cool for like 15 minutes, the DCT really like that. As the night got cooler, I definitely could have pulled a better time, but the track got packed and I didn't have the patience for that. I had runs with better 60' ft and runs with higher traps. Just have to put it all together.
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      05-12-2012, 09:59 AM   #13
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Quote:
Originally Posted by BuraQ View Post
Word of advice, the cooler the transmission the better your 60' will be on good traction.

You can have good traction but if your transmission is too hot your 60' will suck
Good info...Have you worked out why that is & the best way to cool it down?

Quote:
Originally Posted by lutfi001 View Post
Running 60/40 93/e85, I ran a 12.2. I'm on a custom map 6 on the new alpha JB4 firmware. Thanks to Terry for being so quick with responses and analyzing logs.
Lutfi001 Looks like the JB4 335is is starting to come into its own with minimum mods & excellent results. Congrats on the run.
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      05-12-2012, 10:04 AM   #14
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Quote:
Originally Posted by lutfi001 View Post
Running 60/40 93/e85, I ran a 12.2. I'm on a custom map 6 on the new alpha JB4 firmware. Thanks to Terry for being so quick with responses and analyzing logs.
Care to share your map 6 settings?
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      05-12-2012, 10:44 AM   #15
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Awesome time bro! Wish I coulda gone to capitol with u guys tonight! U went 113mph with a tune, intake, and gas lol!
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      05-12-2012, 10:59 AM   #16
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Awesome time dude. DCT and launch control are nice, but i'll keep my 6MT.
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      05-12-2012, 11:45 AM   #17
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Quote:
Originally Posted by Murf View Post
Care to share your map 6 settings?
Its a special map for the 335is....you can see the setting in the other forum on the first N54 post in the sticky.
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      05-12-2012, 12:21 PM   #18
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Quote:
Originally Posted by BEAR-AvHistory View Post
Lutfi001 Looks like the JB4 335is is starting to come into its own with minimum mods & excellent results. Congrats on the run.
Thanks bro. Time for you to get out there and see what the added fmic will do!
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      05-12-2012, 01:14 PM   #19
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Originally Posted by BEAR-AvHistory View Post
Good info...Have you worked out why that is & the best way to cool it down?
Cant really say.....but the best way to cool it down, if your going to run back to back, allow a 5 min idle rest with the car running just before launching the car again....(on the returning road just cruise the car)

Or after every run, do not shut the car off immediately, give it 5-10 minutes idle with the hood open before turning it off

The RENNtech tune already includes thermal temp management calibrations in which I am rarely affected by it. 35 runs on May 6th 2012 proved outstanding that the DCT can hold up to more than what people expected with proper thermal calibrated management.

On a JB4 or PROcede I would suggest just resting the car after every run, but let the car idle for 5-10 minutes for shuting off the engine, IMO.
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      05-12-2012, 01:36 PM   #20
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1.9 60' w/ 113mph means you picked up a lot of time somewhere, good job.. I trapped at 116+ with a 2.0 and couldn't get 12.2 awhile back
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      05-12-2012, 02:12 PM   #21
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The JB4 has a high speed option for water cooling...will turn that on might help. Thanks for the input. Hope to get down to Rockingham in a few weeks.
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      05-12-2012, 04:07 PM   #22
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Thats a great time!! How are you launching the car?? Are you even using LC?
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