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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 > Installed BB Flash and car runs great



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      10-22-2013, 08:57 PM   #1
Lifted07Duramax
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Installed BB Flash and car runs great

I don't have any logs yet but the car is running so much smoother and it feels like I picked up a good amount of power.
I can say this, when I put it in 2nd rolling at 30mph and I punch it the car breaks the tires loose and I can feel the rear end wanting to slide.
It never did this before when it was just the Cobb BMS Flash

Now its BB BMS Flash
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      10-22-2013, 11:01 PM   #2
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So is this a flash map designed by Terry or is this shiv's file readjusted?
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      10-23-2013, 04:12 AM   #3
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Are you on pump or race, e85?

I haven't heard that BB bt cable bms pump flash had anything over pump flash via cobb.

I haven't purchased a cable yet because of this.
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      10-23-2013, 10:05 AM   #4
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Quote:
Originally Posted by Brule View Post
Are you on pump or race, e85?
+1... I'm trying to figure out if it would benefit me, if I run straight 93 octane 75% of the time, and 4 gallons of E85 the other 25% of the time.
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      10-23-2013, 10:30 AM   #5
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The race flash. You can swap over the flash anytime you want though. Ill try and get some logs today but I know its better than before
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      10-24-2013, 12:41 AM   #6
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flash

Quote:
Originally Posted by rdub315 View Post
+1... I'm trying to figure out if it would benefit me, if I run straight 93 octane 75% of the time, and 4 gallons of E85 the other 25% of the time.
I first had the pump flash via bb flash and it felt better than the cobb e85 flash. I then flashed the race AT e85 mixture flash with 4 gal of e85 and holycow way better. Car feels free smooth no codes at all

90 seconds to reflash to a diff flash once you put the jb on map 0...lol
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      10-24-2013, 01:55 AM   #7
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It would have been interesting to see where the bump in power came from.

Are you sure it's just not the lower ambient temps making the car break loose and feel more powerful.

At the end of the day boost is boost and ignition is ignition.
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      10-24-2013, 02:17 AM   #8
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I just order me a bt cable last night. I'm trying to see whats all of the fuss about.
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      10-24-2013, 02:32 AM   #9
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Quote:
Originally Posted by Jeff@TopGearSolutions View Post
It would have been interesting to see where the bump in power came from.

Are you sure it's just not the lower ambient temps making the car break loose and feel more powerful.

At the end of the day boost is boost and ignition is ignition.
I have logs from the cobb bms flash right before taking it off. I haven't got logs yet with the new flash.
Yes Im positive its not the ambient temps, its never done this before even with very low ambient temps in the past
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      10-24-2013, 02:42 AM   #10
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So are you just running a flash or stacking jb4? Very curious to know?
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      10-24-2013, 08:34 AM   #11
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I'm pretty sure the flash doesn't increase power but more along the lines of better fueling/timing/afr.
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      10-24-2013, 10:30 AM   #12
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Quote:
Originally Posted by badass335 View Post
So are you just running a flash or stacking jb4? Very curious to know?
Stacked with jb4
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      10-24-2013, 10:47 AM   #13
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Running more aggressive timing and a streamlined AFR will generally produce a power bump. I'd love to see some before and after logs.
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      10-24-2013, 11:14 AM   #14
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Quote:
Originally Posted by Tiago@VRSF View Post
Running more aggressive timing and a streamlined AFR will generally produce a power bump. I'd love to see some before and after logs.
Should have some today
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      10-25-2013, 02:18 AM   #15
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Quote:
Originally Posted by Lifted07Duramax View Post
Stacked with jb4
So what map are you running? This is the JB4 ISO PNP? What are you running for boost?
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      11-14-2013, 10:00 AM   #16
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Quote:
Originally Posted by Tiago@VRSF View Post
Running more aggressive timing and a streamlined AFR will generally produce a power bump. I'd love to see some before and after logs.
Before and after logs AND dyno runs would be nice to see. I don't think any exist.
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      11-14-2013, 11:03 AM   #17
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I did the same with my JB4 via Cobb... super smooth. I actually do have an old log somewhere of just Cobb before going JB4 and I was getting throttle closures and post shift timing drops.

Last edited by 2Times; 11-14-2013 at 11:09 AM..
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      11-14-2013, 11:22 AM   #18
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BB flash won;t yield any benefit over COBB because it is the BB flash but because it was probably more aggressive that the COBB backend that was given to you.

The variables that Terry modifies in the tables are available to change in both cases.

OP, not trying to say you didn't make power but I want to make it clear to everyone that the power bump you received was due to updates in the flash that could have equally been done in COBB.

I'm glad you are enjoying your car
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      11-14-2013, 11:26 AM   #19
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Post logs, would love to see them..

Mike
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      11-21-2013, 02:44 AM   #20
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Quote:
Originally Posted by marc@x-ph.com View Post
BB flash won;t yield any benefit over COBB because it is the BB flash but because it was probably more aggressive that the COBB backend that was given to you.

The variables that Terry modifies in the tables are available to change in both cases.

OP, not trying to say you didn't make power but I want to make it clear to everyone that the power bump you received was due to updates in the flash that could have equally been done in COBB.

I'm glad you are enjoying your car
haha, blah blah blah... Put the PROcede back in the car today with my aggressive E85 flash, which I must say is running even stronger than the last time you was in the car. Should be interesting now with boost control.
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      11-21-2013, 02:47 AM   #21
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Quote:
Originally Posted by Lifted07Duramax View Post
I don't have any logs yet but the car is running so much smoother and it feels like I picked up a good amount of power.
I can say this, when I put it in 2nd rolling at 30mph and I punch it the car breaks the tires loose and I can feel the rear end wanting to slide.
It never did this before when it was just the Cobb BMS Flash

Now its BB BMS Flash
I'm so depressed, you didn't call me... Catch me tomorrow, might have something for you..
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