All COBB Tuning AccessPORT Flash for N54 335i Discussion Here

dryicerx · 01-07-2011, 11:49 AM

Quote:

Originally Posted by TXSailor

Imp- Did anyone else show up last night? I would have loved to come. Thanks for taking the lead on this!

Yeah, I went for a while last night (actually I didn't know they had a meetup there but my timing matched up, lol).

Rob showed me the AccessPort in action, flashing maps (surprisingly quick), etc in detail with his own 335i, and I was really impressed. Got to experience the stage1 riding shotgun, and even with 4 people on the 335i it was doing some pretty kick ass pulls.

What impressed me the most was the ease of use of the device. I was a bit skeptical when they said it only required ODBII... but it's the real deal, don't even have to open the hood. The device is super small, but packs a huge list of functions.

Good work Cobb.

Rob@Cobb · 01-07-2011, 11:53 AM

Quote:

Originally Posted by MDORPHN

When might the AccessPORT be available for the N54s with the MSD85 DME (Z4 sDrive35is, 335is and the forthcoming 1 Series M Coupe)?

As I understand it, the tune in these three models -- each of which has a 7-second overboost feature -- are very similar except that the 1M will have an M Drive button sharpening throttle response.

Thanks.

Neil

P.S. I promise not to ask this question more than once a day

I was able to talk to a 335is last night to grab a ROM. (Thanks J!). Over the next few I will be ripping into the ROM to look at the tuning. However, we need to find a alpha tester with either 'is' car here in Austin to allow us to complete tuning on the car for the stage maps.

Cheers,
Rob

Boostin335 · 01-07-2011, 12:36 PM

Quote:

Originally Posted by Rob@Cobb

I was able to talk to a 335is last night to grab a ROM. (Thanks J!). Over the next few I will be ripping into the ROM to look at the tuning. However, we need to find a alpha tester with either 'is' car here in Austin to allow us to complete tuning on the car for the stage maps.

Cheers,
Rob

Hey Robb, any xi yesterday or today?? Up to like 40 xiers waiting

deadlyrhythm · 01-07-2011, 12:41 PM

Perhaps I'm partially new to the game, but...
1. Why do the 135i and 335i have different stock HP #s, 240 vs 276HP, in the COBB dynos? That's a SIGNIFICANT difference in my mind. (Maybe it's just my mind

)
2. Why are your run 2 & 3 (91 & 93) octane numbers at the EXACT same time? (12:18 and 7:44)
3. Why does the 335i only have a 63HP improvement, unlike the 135i which has 74HP?

Looking forward to picking up my COBB unit!

mithiral67 · 01-07-2011, 12:50 PM

Quote:

Originally Posted by deadlyrhythm

Perhaps I'm partially new to the game, but...
2. Why are your run 2 & 3 (91 & 93) octane numbers at the EXACT same time? (12:18 and 7:44)

I thought the same thing. Also, whats the oct for stock and what is the boost targets of stock?

Clap135 · 01-07-2011, 12:59 PM

Dynos for the 1 and 3 were done at different locations guys. I believe the 3 dyno was done at combs main facility which is higher up in elevation compared to the 1 that was done in Texas. The baseline don't matter...the delta does. Being that its within 10 whp..it doesn't really make a difference. Stock cars on here vary by 20-30 whp depending on location. Also the reason why the 1 held more power to redline is probably due to the same reason....elevation. more air equal better flow especially up top where the stock turbo alwAys.struggle.

MDORPHN · 01-07-2011, 01:03 PM

Quote:

Originally Posted by Clap135

The baseline don't matter...the delta does.

+1

Neil

UltraRacer13 · 01-07-2011, 01:30 PM

Quote:

Originally Posted by Boostin335

Hey Robb, any xi yesterday or today?? Up to like 40 xiers waiting

He just PM'ed me. I am headed to the plano shop today.

COBB Tuning · 01-07-2011, 01:30 PM

Quote:

Originally Posted by Mugen1516

I did read the thread...there was a big difference in 135 and 335 numbers. I believe the 135 made less than the 335 (however I can't find that dyno now) COBB found a calibration change and they were to redyno the 135 and hence...

But yet there is still such a big difference. Previously I think the 135 made even less than the 335 on the dyno now it's flip flopped.

Mugen,

The 335i was on our Mustang dyno in Austin, TX and the 135i was on our Mustang dyno in Portland, OR. We believe the difference is caused by the parasitic loss calibration files being used on each dyno, but ultimately, there are a lot of variables in comparing the two cars across the two dynos. The Mustang dyno is much more of a tuning tool than a peak power measurement device, and focusing on the gains rather than the peak numbers will make much more sense when comparing between dynos.

We use a tool called Dyno Database Online, which lets us present dyno pulls publicly in a nice interactive format. I've pulled up a comparison between the two cars. It's a little busy with all of the graphs, but it shows the differences between the cars and dynos you are referring to. You can click on the graph to be linked to DDBO. If you focus on gains, the results are similar.

As we build out the database with customer cars and their baseline pulls, staged pulls and custom tune pulls it will provide a lot more data for folks to compare performance numbers with. We invite you to play with Dyno Database Online with the other platforms we support so you can see the depth of dyno data we will be building up as the AccessPORT matures for BMW vehicles.

You can navigate using the Car Chooser and select Make, Model, Year, Owner and even Shop. Any dropdown you leave alone will provide results for the entire range under that dropdown.

Have fun!

Gary

Rob@Cobb · 01-07-2011, 01:32 PM

Quote:

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?

The AccessPORT has a recovery mode in the case a cable is kicked out or some other random failure occurs, meaning your ECU is nice and safe.

Cheers,
Rob

COBB Tuning · 01-07-2011, 01:34 PM

Quote:

Originally Posted by deadlyrhythm

Perhaps I'm partially new to the game, but...
1. Why do the 135i and 335i have different stock HP #s, 240 vs 276HP, in the COBB dynos? That's a SIGNIFICANT difference in my mind. (Maybe it's just my mind

)
2. Why are your run 2 & 3 (91 & 93) octane numbers at the EXACT same time? (12:18 and 7:44)
3. Why does the 335i only have a 63HP improvement, unlike the 135i which has 74HP?

Looking forward to picking up my COBB unit!

The gains on each car is very similar, even though the raw numbers are slightly different. Keep in mind that while we try to keep our dynos reading very similarly there are some discrepancies. However, the overall gains stock to tuned are similar! Also, keep in mind that the 135 and 335 are different cars so they will not make identical power numbers.

The time stamp on the dyno run is not based on when the run was done, but when they were uploaded from the dyno computer to the online database.

Also, it has been asked what happens if you lose power mid-flash, will you brick the ECU? We have a recovery mode built into the AccessPORT so that should you lose power, or the cable gets unplugged or something like that mid-flash, you can recover and continue your flash.

We stand behind our products 100%, if you ever have an issue with a COBB Tuning product, we will do whatever it takes to get you back on the road! Feel free to call us any time at 1-866-922-3059 if you have any needs or concerns!

Travis
COBB Tuning

Rob@Cobb · 01-07-2011, 01:36 PM

Quote:

Originally Posted by Boostin335

Hey Robb, any xi yesterday or today?? Up to like 40 xiers waiting

We've got a couple of people with 335xi's that we're working with, but it's going to take a little time to make sure we get everything right. I'm excited to get the 'xi'ers up and running.

Cheers,
Rob

dmboone25 · 01-07-2011, 02:22 PM

Quote:

Originally Posted by Rob@Cobb

We've got a couple of people with 335xi's that we're working with, but it's going to take a little time to make sure we get everything right. I'm excited to get the 'xi'ers up and running.

Cheers,
Rob

Can't wait to see the N55 results too.

PsychoSlug · 01-07-2011, 02:22 PM

Quote:

Originally Posted by Rob@Cobb

We've got a couple of people with 335xi's that we're working with, but it's going to take a little time to make sure we get everything right. I'm excited to get the 'xi'ers up and running.

Cheers,
Rob

Great! I look forward to hearing more about this.

djn04 · 01-07-2011, 02:34 PM

Quote:

Originally Posted by Rob@Cobb

I was able to talk to a 335is last night to grab a ROM. (Thanks J!). Over the next few I will be ripping into the ROM to look at the tuning. However, we need to find a alpha tester with either 'is' car here in Austin to allow us to complete tuning on the car for the stage maps.

Cheers,
Rob

That's little too far of a drive for me but I've got my credit card in hand when it's ready.

AWD Addict · 01-07-2011, 03:32 PM

Quote:

Originally Posted by Rob@Cobb

We've got a couple of people with 335xi's that we're working with, but it's going to take a little time to make sure we get everything right. I'm excited to get the 'xi'ers up and running.

Cheers,
Rob

Awesome.

Looking forward to it!

Upgrade+ · 01-07-2011, 04:24 PM

Well, please work on getting the work done on us 07 guys before taking on the "xi" and "is" bimmers!!

Quote:

Originally Posted by Rob@Cobb

We've got a couple of people with 335xi's that we're working with, but it's going to take a little time to make sure we get everything right. I'm excited to get the 'xi'ers up and running.

Cheers,
Rob

cwg · 01-07-2011, 04:34 PM

Quote:

Originally Posted by COBB Tuning

The gains on each car is very similar, even though the raw numbers are slightly different. Keep in mind that while we try to keep our dynos reading very similarly there are some discrepancies. However, the overall gains stock to tuned are similar! Also, keep in mind that the 135 and 335 are different cars so they will not make identical power numbers.

The time stamp on the dyno run is not based on when the run was done, but when they were uploaded from the dyno computer to the online database.

Also, it has been asked what happens if you lose power mid-flash, will you brick the ECU? We have a recovery mode built into the AccessPORT so that should you lose power, or the cable gets unplugged or something like that mid-flash, you can recover and continue your flash.

We stand behind our products 100%, if you ever have an issue with a COBB Tuning product, we will do whatever it takes to get you back on the road! Feel free to call us any time at 1-866-922-3059 if you have any needs or concerns!

Travis
COBB Tuning

To me the more interesting difference is the shape of the power curves. The 135i curve shows it is gaining power up to 6500 rpm while the 335i peaks at 5500. All the other tune dyno curves I have seen for this motor have the power peak around the 5500 mark. To me this is a significant difference/improvement in the tune as we usually see the power taper off above 5500. Can you comment on this?

CICIO · 01-07-2011, 04:42 PM

If you guys are looking for an independent test then check out the thread I just made.

Thanks to the guys at Cobb, we are very excited you launched into the community and can't wait to continue to work with you

http://www.e90post.com/forums/showth...10#post8640210

~Cicio

Avery · 01-07-2011, 04:45 PM

I would like to see a tune specific for the BMW Performance Power Kit made.

Smitty1 · 01-07-2011, 04:45 PM

Sold my jb+ today.

And sent off a check to Cobb to get my AP. Cannot wait.

Now all I need is a car to put it on.

PsychoSlug · 01-07-2011, 04:53 PM

Quote:

Originally Posted by Upgrade+

Well, please work on getting the work done on us 07 guys before taking on the "xi" and "is" bimmers!!

Hey now....

01-07-2011, 12:41 PM	#246
deadlyrhythm Second Lieutenant 51 Rep 238 Posts Drives: 2009 BMW 335i Join Date: Apr 2009 Location: Edmonton, Alberta iTrader: (0) Garage List 2013 BMW X5d [0.00] 2009 335i [0.00]	Perhaps I'm partially new to the game, but... 1. Why do the 135i and 335i have different stock HP #s, 240 vs 276HP, in the COBB dynos? That's a SIGNIFICANT difference in my mind. (Maybe it's just my mind) 2. Why are your run 2 & 3 (91 & 93) octane numbers at the EXACT same time? (12:18 and 7:44) 3. Why does the 335i only have a 63HP improvement, unlike the 135i which has 74HP? Looking forward to picking up my COBB unit! Attached Images
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01-07-2011, 12:59 PM	#248
Clap135 Brigadier General 112 Rep 3,460 Posts Drives: 2009 N54 Join Date: Jul 2009 Location: Sticky's Mom House iTrader: (1)	Dynos for the 1 and 3 were done at different locations guys. I believe the 3 dyno was done at combs main facility which is higher up in elevation compared to the 1 that was done in Texas. The baseline don't matter...the delta does. Being that its within 10 whp..it doesn't really make a difference. Stock cars on here vary by 20-30 whp depending on location. Also the reason why the 1 held more power to redline is probably due to the same reason....elevation. more air equal better flow especially up top where the stock turbo alwAys.struggle.
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01-07-2011, 04:42 PM	#261
CICIO 36 Rep 180 Posts Drives: 2009 E92 M3 Join Date: Dec 2009 Location: Altanta GA iTrader: (2)	If you guys are looking for an independent test then check out the thread I just made. Thanks to the guys at Cobb, we are very excited you launched into the community and can't wait to continue to work with you http://www.e90post.com/forums/showth...10#post8640210 ~Cicio
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01-07-2011, 04:45 PM	#262
Avery Second Lieutenant 10 Rep 271 Posts Drives: 2010 335i, 2010 X5 Join Date: May 2007 Location: US iTrader: (5)	I would like to see a tune specific for the BMW Performance Power Kit made. __________________
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01-07-2011, 04:45 PM	#263
Smitty1 Private 4 Rep 70 Posts Drives: 335I Join Date: Jan 2011 Location: OKlahoma iTrader: (0)	Sold my jb+ today. And sent off a check to Cobb to get my AP. Cannot wait. Now all I need is a car to put it on.
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