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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 > All COBB Tuning AccessPORT Flash for N54 335i Discussion Here



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      01-06-2011, 10:30 PM   #221
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Quote:
Originally Posted by MisterSkiMask View Post
I like a nice 5-60 or 5-1xx
For one, its what we all do every day, and it really shows the power that the car is putting down.
Lets be honest. what we really want to know is 0-88mph...
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      01-06-2011, 10:34 PM   #222
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Quote:
Originally Posted by Danny@COBB View Post
The database reads a 13.9psi
Danny, is boost going to fluctuate from car to car? Or how does that work... If that car went to 15 psi.. then that would be about another 20-25 whp?
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      01-06-2011, 10:34 PM   #223
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Originally Posted by 1&done View Post
Lets be honest. what we really want to know is 0-88mph...
no we don't. In that case, all we want to know is how much railroad track we have to work with...
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      01-06-2011, 10:38 PM   #224
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Originally Posted by Danny@COBB View Post


How about we see that BOOST?! tee hee!
Wow, very nice!

Confirming this is on a bone stock car other than the tune? If so, fack!
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      01-06-2011, 10:39 PM   #225
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The time between now and when the N55 releases is going to feel like DECADES...
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      01-06-2011, 10:42 PM   #226
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Quote:
Originally Posted by Boostin335 View Post
Danny, is boost going to fluctuate from car to car? Or how does that work... If that car went to 15 psi.. then that would be about another 20-25 whp?
Given that "not all cars are the same"...it's safe to say that the general range of boost will roughly be similar. Whether its a range of 12-14psi...or an even more specific range of 12.1-14.9psi....who knows. There will be a buffer...because boost will vary based on weather conditions (cold weather = boost happy)

With the other platforms...although generally one would think, "up the boost, up the power" it's not entirely true with the way cars are advanced these days. But even then...one 135i running 13psi will yield a different hp/tq number than another 135i running 13psi.
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      01-06-2011, 10:53 PM   #227
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Originally Posted by Rob@Cobb View Post
Hey Harry,

AccessTuner Race (ATR) is planned in the future.

Cheers,
Rob
I am in when that happens. I had a lot of fun with the speed3 once atr was out.

Harry
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      01-06-2011, 10:56 PM   #228
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Subscribed. Looking for somemore testimony before I take the plunge. I know the whole 30day thing but seems toooo good to be true. Customer service seems great, you're staying on-top of the thread Rob. Keep us abreast (.)(.)
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      01-06-2011, 10:59 PM   #229
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Originally Posted by 1&done View Post
Subscribed. Looking for somemore testimony before I take the plunge. I know the whole 30day thing but seems toooo good to be true. Customer service seems great, you're staying on-top of the thread Rob. Keep us abreast (.)(.)
A member should be stopping by tomorrow morning for purchase...I'll ask for their feedback once they drive home...although I can't say they'll drive directly from the shop to home...given the new power.
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      01-06-2011, 11:01 PM   #230
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I have used COBB's AccessPort on my 05 WRX STi since 05. I had COBB dyno tune my car last year as well. I can say that the AccessPort works great just as advertised.

I do have a question for COBB about the Dyno they used here. Was it your Mustang 4 wheel dyne, or are these numbers at the crank? The Mustang Dyno's give very low numbers.
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      01-06-2011, 11:04 PM   #231
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Quote:
Originally Posted by Redadair View Post
I have used COBB's AccessPort on my 05 WRX STi since 05. I had COBB dyno tune my car last year as well. I can say that the AccessPort works great just as advertised.

I do have a question for COBB about the Dyno they used here. Was it your Mustang 4 wheel dyne, or are these numbers at the crank? The Mustang Dyno's give very low numbers.
Mustang Dyno numbers.
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      01-06-2011, 11:07 PM   #232
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What happens in the event of 'DME Bricking' during flashing?

Unlikely, perhaps, but I work in IT and have to flash certain devices from time to time, routers, phones, BIOS' etc -- they work most of the time, but occasionally it'll go wrong and the device becomes pretty much null & void.

The last thing I'd want is a bricked BMW DME.

A quick Google search yields some threads from STI owners who managed to brick their ECU. Is this something we need to worry about?
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      01-06-2011, 11:26 PM   #233
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Quote:
Originally Posted by Danny@COBB View Post


How about we see that BOOST?! tee hee!
Why such a big difference between the 135i and 335i now? 303/363 for the 335i but 350/349 for the 135i?
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      01-06-2011, 11:38 PM   #234
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Quote:
Originally Posted by Mugen1516 View Post
Why such a big difference between the 135i and 335i now? 303/363 for the 335i but 350/349 for the 135i?


Quote:
Originally Posted by COBB Tuning View Post
We found an issue in the calibration that was used on the 135i that prevented the power gains that everyone was expecting. The calibration has been updated and the 135i will be back on the dyno this afternoon. We should have a dyno graph with power gains that are more in line with what we are seeing on the 335i posted later today.

Thanks!

Gary
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      01-06-2011, 11:39 PM   #235
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Quote:
Originally Posted by atlharry View Post
The time between now and when the N55 releases is going to feel like DECADES...
no - longer
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      01-06-2011, 11:46 PM   #236
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Very nice. I will be ordering one of these.
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      01-07-2011, 12:11 AM   #237
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I just got back from Cobb's "First Thursday" event here in Plano and was lucky enough to get my car on the dyno to show the results from the tune.

As previously mentioned, I've been running the Stage1 93-octane map on my car for the past three days and am very happy with the results on the street but anxious to see how they looked on the dyno. My car is a 2010 E92 steptronic with 7300 miles on it and bone-stock right down to the paper air filter. With the tune alone, we picked up 53 HP and 98 ft-#! My last numbers were 311/384, plotting to ~6500 RPM. Peak power arrived right at 5000 RPM and torque peaked early at around 2800 RPM, holding at or above 360 ft-# through 4000 RPM. These are great results through an automatic! The wideband A/F reading looked really nice too, holding steady at around 11.5:1 from 3200 - 6500 RPM.

Cobb uses a Mustang 4-wheel dyno which differs greatly from the inertia-based Dynojets we're used to seeing plots from. The Mustang is a better dyno for tuning applications and calculates its numbers differently from a Dynojet. I can't say how my results translate to a 2-wheel 248C but I think my next set of mods (downpipes and intercooler) will follow a few pulls on a local Dynojet just so you can get familiar with the numbers.
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      01-07-2011, 12:31 AM   #238
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Quote:
Originally Posted by Imperator View Post
I just got back from Cobb's "First Thursday" event here in Plano and was lucky enough to get my car on the dyno to show the results from the tune.
Did Lance or Rob load your dyno into our Dyno Database Online? If so, we should be able to host the graphs for other to review.

If not, I can ask them to do so for others to review some time tomorrow.

Christian.
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      01-07-2011, 12:35 AM   #239
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Quote:
Originally Posted by Christian. View Post
Did Lance or Rob load your dyno into our Dyno Database Online? If so, we should be able to host the graphs for other to review.

If not, I can ask them to do so for others to review.

Christian.
I believe it is. Look for "BECKER"
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      01-07-2011, 12:41 AM   #240
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Cobb Team - Can someone please answer this question being addressed. It has been asked twice so far and no replies.

Thanks

Quote:
Originally Posted by bigup View Post
What happens in the event of 'DME Bricking' during flashing?

Unlikely, perhaps, but I work in IT and have to flash certain devices from time to time, routers, phones, BIOS' etc -- they work most of the time, but occasionally it'll go wrong and the device becomes pretty much null & void.

The last thing I'd want is a bricked BMW DME.

A quick Google search yields some threads from STI owners who managed to brick their ECU. Is this something we need to worry about?
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      01-07-2011, 01:46 AM   #241
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Quote:
Originally Posted by BuraQ View Post
Cobb Team - Can someone please answer this question being addressed. It has been asked twice so far and no replies.

Thanks
I've forwarded the post over to Rob and Christian. Answer soon to follow
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      01-07-2011, 02:32 AM   #242
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Quote:
Originally Posted by atlharry View Post
The time between now and when the N55 releases is going to feel like DECADES...
i feel the exact same way
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