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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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      08-28-2012, 12:53 PM   #6073
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Originally Posted by cstavaru View Post
Windows 8 is final since August 16. You can download a 90-day trial from Microsoft if you want.
Who cares when MS released it from Beta? The point is that Cobb hasn't yet said they support it...
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      08-28-2012, 01:15 PM   #6074
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I had this question a few months ago as well. On a stock car a drop in filter will do next to nothing, if not loose power. However on a tuned car, I say its worth getting. I am not a fan of DCI's at all. Im not saying they dont work, I am personally not comfortable allowing the engine to suck in very hot air. Also, they look so damn ugly and cheap in the engine bay. I am getting a BMS drop in until I buy a full STETT CAI.
There's a test that was done by Terry@BMS that provides quality data illustrating that an open element filter (BMS DCI, aFe DCI, even the Injen DCI) provide the same power #s as a STETT DCI & do NOT suffer from heatsoak. When you're at speed, there is significant passive airflow through the kidneys into the engine bay, so the intake isn't sucking in hot air that's "sitting" in the engine bay.

People fail to realize that while a CAI is a great intake, it also makes you much more susceptible to hydrolocking your engine if you live in an area that floods occur.

To each's own though
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      08-28-2012, 01:31 PM   #6075
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Originally Posted by benzy89 View Post
There's a test that was done by Terry@BMS that provides quality data illustrating that an open element filter (BMS DCI, aFe DCI, even the Injen DCI) provide the same power #s as a STETT DCI & do NOT suffer from heatsoak. When you're at speed, there is significant passive airflow through the kidneys into the engine bay, so the intake isn't sucking in hot air that's "sitting" in the engine bay.

People fail to realize that while a CAI is a great intake, it also makes you much more susceptible to hydrolocking your engine if you live in an area that floods occur.

To each's own though
Really? I thought the consensus here was that DCI's provide extra power for the street and the drag races, but for track use, since you've got sustained high heat generation under the hood, DCI's weren't recommended? (and a CAI or Helix style was best)
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      08-28-2012, 01:52 PM   #6076
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Really? I thought the consensus here was that DCI's provide extra power for the street and the drag races, but for track use, since you've got sustained high heat generation under the hood, DCI's weren't recommended? (and a CAI or Helix style was best)
Under long, sustain loads different intakes are all going to perform roughly the same. One may heat soak a little quicker than another but they will both get hot eventually. Honestly, meth injection working with a great FMIC is the only thing that is going to keep IATs low for several hard laps on road courses.
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      08-28-2012, 02:06 PM   #6077
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not sure why COBB really recommends an upgraded intake for stage 2+, if intakes weren't a definite improvement.
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      08-28-2012, 02:20 PM   #6078
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Meh, I run a DCI and aside from the sound I see no benefit. It actually pisses me off how often I have to clean it. Might just have to get the CAI and hope NYC doesnt get hit with terential rain.
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      08-28-2012, 02:50 PM   #6079
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Quote:
Originally Posted by benzy89 View Post
There's a test that was done by Terry@BMS that provides quality data illustrating that an open element filter (BMS DCI, aFe DCI, even the Injen DCI) provide the same power #s as a STETT DCI & do NOT suffer from heatsoak. When you're at speed, there is significant passive airflow through the kidneys into the engine bay, so the intake isn't sucking in hot air that's "sitting" in the engine bay.

People fail to realize that while a CAI is a great intake, it also makes you much more susceptible to hydrolocking your engine if you live in an area that floods occur.

To each's own though
http://www.e90post.com/forums/showthread.php?t=262270

Here is a test done by Former_Boosted_IS to show the advantages of a STETT CAI over traditional DCI's. On top of reduced AIT's, it looks much better in the engine bay
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      08-28-2012, 03:06 PM   #6080
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Quote:
Originally Posted by benzy89 View Post
There's a test that was done by Terry@BMS that provides quality data illustrating that an open element filter (BMS DCI, aFe DCI, even the Injen DCI) provide the same power #s as a STETT DCI & do NOT suffer from heatsoak. When you're at speed, there is significant passive airflow through the kidneys into the engine bay, so the intake isn't sucking in hot air that's "sitting" in the engine bay.

People fail to realize that while a CAI is a great intake, it also makes you much more susceptible to hydrolocking your engine if you live in an area that floods occur.

To each's own though
+1, OK this is what I watched. I couldn't remember where I saw the test.
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      08-28-2012, 04:09 PM   #6081
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Quote:
Originally Posted by ihc95 View Post
http://www.e90post.com/forums/showthread.php?t=262270

Here is a test done by Former_Boosted_IS to show the advantages of a STETT CAI over traditional DCI's. On top of reduced AIT's, it looks much better in the engine bay
http://www.n54tech.com/forums/showpo...99&postcount=1

Nothing against FBIS (great dude, great reviews), but Terry's DCI Test was completely based off of data. I do agree a DCI looks cheap in the engine bay (especially with the two K&N filters just sitting there), the DCI actually had the best airflow properties.

With turbo'd cars, the Intake should focus on mass quantity of airflow while the FMIC (or Meth) focus on IAT Reduction
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      08-28-2012, 04:30 PM   #6082
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nice another intake discussion lol
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      08-28-2012, 04:38 PM   #6083
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Has anyone got a protune in Nor Cal? Might be moving there soon. I see some shops that are authorized for subies etc but no BMW...Feel free to chime in...Thanks in advance
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      08-28-2012, 06:21 PM   #6084
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Originally Posted by sdstatestud88 View Post
Has anyone got a protune in Nor Cal? Might be moving there soon. I see some shops that are authorized for subies etc but no BMW...Feel free to chime in...Thanks in advance
I just know of my buddy, who did a protune by PTF, etune. I got one on the way. See enrita's Sig for link.
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      08-28-2012, 06:41 PM   #6085
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+1 for the e-Tune (for now).... Sure it's a matter of time until that Nor Cal COBB facility get's a BMW tuning guy
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      08-28-2012, 06:59 PM   #6086
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+1 for the e-Tune (for now).... Sure it's a matter of time until that Nor Cal COBB facility get's a BMW tuning guy
Wait, you said Nor Cal? I thought they were near Orange County? So Cal?
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      08-28-2012, 07:45 PM   #6087
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Wait, you said Nor Cal? I thought they were near Orange County? So Cal?
Here is the list of the BMW COBB Tuning Facilities in CA: http://www.cobbtuning.com/Domestic-P...BMW-California

COBB So Cal (my mistake) is in Fountain Valley, but you've got FSR Motorsports in Montclair & HG Motorsports in San Diego. If you're concerned about their "qualifications", you can just call up the COBB So Cal Office & ask for their take on the BMW Tuners at those facilities.
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      08-29-2012, 09:00 AM   #6088
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I developed a method to install AccessPort Manager on Windows 8:

1. Restart the computer with Driver Signature Enforcement disabled, here is how:
https://laslow.net/2012/03/14/disabl...-in-windows-8/

2. Get the latest AP Manager from Cobb (APManagerSetup.exe) open it using 7-Zip (www.7-zip.org) and extract all the files from it. One of the files will be APDriverInstall.exe

3. Right click on APDriverInstall.exe, go to Compatibility tab and select Windows 7.

4. Run APDriverInstall.exe. Click "Install Anyway" to all warnings.

5. Run APManagerSetup.exe and install the AP Manager. Also click "Install Anyway" to all potential warnings.

6. Connect the Cobb, wait 30 seconds, then start AP Manager. It should now see the Cobb AP device.

7. Restart the computer in order to exit the driver signature enforcement disabling mode. The AP Manager should still work (works for me), but if not, you must enter the Driver Signature Enforcement mode every time you want to run the AP Manager.
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      08-29-2012, 09:18 AM   #6089
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Originally Posted by cstavaru View Post
I developed a method to install AccessPort Manager on Windows 8:

1. Restart the computer with Driver Signature Enforcement disabled, here is how:
https://laslow.net/2012/03/14/disabl...-in-windows-8/

2. Get the latest AP Manager from Cobb (APManagerSetup.exe) open it using 7-Zip (www.7-zip.org) and extract all the files from it. One of the files will be APDriverInstall.exe

3. Right click on APDriverInstall.exe, go to Compatibility tab and select Windows 7.

4. Run APDriverInstall.exe. Click "Install Anyway" to all warnings.

5. Run APManagerSetup.exe and install the AP Manager. Also click "Install Anyway" to all potential warnings.

6. Connect the Cobb, wait 30 seconds, then start AP Manager. It should now see the Cobb AP device.

7. Restart the computer in order to exit the driver signature enforcement disabling mode. The AP Manager should still work (works for me), but if not, you must enter the Driver Signature Enforcement mode every time you want to run the AP Manager.
Awesome work, man. Hopefully Cobb can get the AP manager to work on 8 like it does on 7 and not require all those steps.
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      08-29-2012, 09:57 AM   #6090
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Quote:
Originally Posted by cstavaru View Post
I developed a method to install AccessPort Manager on Windows 8:

3. Right click on APDriverInstall.exe, go to Compatibility tab and select Windows 7.
Ah, compatibility mode.. forgot about that. nice!
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      08-29-2012, 10:20 AM   #6091
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Does anyones AP read unusually high ECT's?

When I plug the thing in it reads near 100 degrees F literally after starting the car (it's 100% cool, and ambient is ~75f).

Just curious. It also reads ~210 F when up to temp. Just seems a little high.
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      08-29-2012, 12:28 PM   #6092
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What are some symptoms i can look for if getting boost oscillations? I was on Stage 1 Sport, charge pipe broke at clamp, wondering if this was a contributing factor or if it was just the stock CP's time to give.

I never let off the throttle when it gave, had pedal all the way to the floor, so i'm doubting it was a high pressure spike when letting off. Maybe unless the car pulled timing, closed plate, and that caused a spike...? Not sure. Trying to figure out if the tune was related outside of the obvious higher boost levels from the tune. Im still learning!

Also, what's the boost cap on S1 sport?
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      08-29-2012, 12:35 PM   #6093
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What are some symptoms i can look for if getting boost oscillations? I was on Stage 1 Sport, charge pipe broke at clamp, wondering if this was a contributing factor or if it was just the stock CP's time to give.

I never let off the throttle when it gave, had pedal all the way to the floor, so i'm doubting it was a high pressure spike when letting off. Maybe unless the car pulled timing, closed plate, and that caused a spike...? Not sure. Trying to figure out if the tune was related outside of the obvious higher boost levels from the tune. Im still learning!

Also, what's the boost cap on S1 sport?
Cobb is load based and boost cap is for all cobb maps 18.5 psi.
your pipe gave up because it probably was crappy to begin with it. There are tons of people running stage 3 boost levels and power with stock chargepipe without any issues.
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      08-29-2012, 12:37 PM   #6094
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Quote:
Originally Posted by str8shot View Post
Does anyones AP read unusually high ECT's?

When I plug the thing in it reads near 100 degrees F literally after starting the car (it's 100% cool, and ambient is ~75f).

Just curious. It also reads ~210 F when up to temp. Just seems a little high.
perfectly normal. i get same temps mostly. i also checked with performance wheel and temps were identical.
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