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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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      01-21-2012, 07:23 PM   #3389
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Quote:
Originally Posted by RnmEvo9 View Post
Dumb question, but can the Cobb AP identify my ECU even if it is installed in another vehicle? I don't even care to upload any maps or datalog, I just want to find out what kind of ECU that I have even though the AP is installed in my friends car, or does he have to uninstall it?

Thanks!
you need to uninstall it.
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      01-21-2012, 07:28 PM   #3390
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Quote:
Originally Posted by enrita View Post
you need to uninstall it.
Thanks for the quick response.
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      01-21-2012, 08:08 PM   #3391
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Hooked up my cobb, went inside while it flashed to stage 2+, came back, car was upside down on its roof. Is that normal? Do i have the right map?
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      01-21-2012, 08:30 PM   #3392
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Quote:
Originally Posted by mithiral67 View Post
Hooked up my cobb, went inside while it flashed to stage 2+, came back, car was upside down on its roof. Is that normal? Do i have the right map?
Depends on your ECU. i had no issues with I8AOS, but it was a problem with older ROMs.
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      01-21-2012, 08:31 PM   #3393
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ha, i knew it.
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      01-21-2012, 09:14 PM   #3394
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Quote:
Originally Posted by Yodaime View Post
Lucky we have Launch Control with our DCT, but Have to play with it because having to launch at 5k can normaly cause problems with the FBO now lol, like breaking an axle or dropping the tranny lol. I launch at 2k with street tires. Maybe 3500 with my new slicks coming on............
Nice hear you are launching at lower RPMs now
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      01-21-2012, 09:38 PM   #3395
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Quote:
Originally Posted by Yodaime View Post
If your doing a roll race then Brake Boosting would be not 100% pointless but not good for our cars. Turbo kicks in at around 1250-1300 rpm till redline but unless you put your foot all the way down. That full boost wont kick in. So having to brake boost to warm up the 17-18psi or whatever is your max to get that pull at a 40 or 60 roll is pretty useful, But im not gonna do it everyday lols.

I am confused at what you are saying... Isn't brake boosting starting from a complete stop not a roll? such as M2 hold brake, rev to 2.5k - 3.5k.
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      01-21-2012, 09:59 PM   #3396
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Brake boosting is when you are rolling and press the brakes and press the gas harder in order to maintain a set speed in order to load up the turbo. Not necessary on these cars IMO
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      01-21-2012, 10:06 PM   #3397
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I don't think its necessary for our cars either on rolls
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      01-22-2012, 10:55 AM   #3398
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Brake boosting on any turbo platform isn't *necessary* but it does give an advantage. Would you rather be at 8+ psi of boost when you start your race or 0? Sure it may only take 1 second to achieve target boost but that could be the difference between someone jumping a hood out in front of you.
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      01-22-2012, 12:58 PM   #3399
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Quote:
Originally Posted by Lulz_M3 View Post
Brake boosting on any turbo platform isn't *necessary* but it does give an advantage. Would you rather be at 8+ psi of boost when you start your race or 0? Sure it may only take 1 second to achieve target boost but that could be the difference between someone jumping a hood out in front of you.
Assuming you're over 3KRPM it will build boost nearly instantly. Besides, can we brake boost these cars? I know a lot of ETC cars ovvveride throttle input when it sees you press the brakes. IDK if the MSD80 does this or not.
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      01-22-2012, 01:09 PM   #3400
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^ yes 3k rpm is where you should be at starting from a 40 - 60 mph roll.. well if your in the right gear, so brake boosting doesn't really give an advantage, IMO. Also is launching the car by holding the brake in M1 or M2 and revving to 3.5k bad for the car at a complete stop?
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      01-22-2012, 01:13 PM   #3401
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Quote:
Originally Posted by Jeef View Post
^ yes 3k rpm is where you should be at starting from a 40 - 60 mph roll.. well if your in the right gear, so brake boosting doesn't really give an advantage, IMO. Also is launching the car by holding the brake in M1 or M2 and revving to 3.5k bad for the car at a complete stop?
Yes, launching the car from a stop is bad for it. However, there are people that do it dozens(or hundreds) of times and have seen no ill effects. I heard of a few xi drivetrain breakages, but the normal RWD layout seems VERY sturdy. I wouldn't risk it because if you're very unluck and something does break it will be very expensive to fix.
Of coarse, if you have crappy tires the car will just roast 'em lol
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      01-22-2012, 03:42 PM   #3402
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Quote:
Originally Posted by rader1
Quote:
Originally Posted by Lulz_M3 View Post
Brake boosting on any turbo platform isn't *necessary* but it does give an advantage. Would you rather be at 8+ psi of boost when you start your race or 0? Sure it may only take 1 second to achieve target boost but that could be the difference between someone jumping a hood out in front of you.
Assuming you're over 3KRPM it will build boost nearly instantly. Besides, can we brake boost these cars? I know a lot of ETC cars ovvveride throttle input when it sees you press the brakes. IDK if the MSD80 does this or not.
I'm 6mt so I'm not sure about the auto's reaction but give it a shot. Trust me, it makes a difference.
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      01-22-2012, 04:30 PM   #3403
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is there any dyno comparos with proceed v5? I'm assuming stage2+ aggressive map..
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      01-22-2012, 04:59 PM   #3404
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Quote:
Originally Posted by rader1 View Post
Yes, launching the car from a stop is bad for it. However, there are people that do it dozens(or hundreds) of times and have seen no ill effects. I heard of a few xi drivetrain breakages, but the normal RWD layout seems VERY sturdy. I wouldn't risk it because if you're very unluck and something does break it will be very expensive to fix.
Of coarse, if you have crappy tires the car will just roast 'em lol
I've done it a couple times revving to 3.5k so i am safe for now! hopefully..
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      01-22-2012, 05:15 PM   #3405
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Quote:
Originally Posted by vadim83 View Post
is there any dyno comparos with proceed v5? I'm assuming stage2+ aggressive map..
Tune+meth setup should be similar to a stage 2+ FBO car. There is a video of clap/laloosh/asshat(or whatever screen name he has now) running stage 2+ against jeff@topgearsolutions and his V5+meth car. Its pretty close but the cobb car pulls just a little each time. Keep in mind it's 135 vs 335.
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      01-22-2012, 05:25 PM   #3406
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Any updates from cobb on when race fuel maps or meth maps will be out?
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      01-23-2012, 07:38 AM   #3407
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Quote:
Originally Posted by Jeef View Post
Any updates from cobb on when race fuel maps or meth maps will be out?
+167.5
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      01-23-2012, 10:24 AM   #3408
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Quote:
Originally Posted by rader1 View Post
Tune+meth setup should be similar to a stage 2+ FBO car. There is a video of clap/laloosh/asshat(or whatever screen name he has now) running stage 2+ against jeff@topgearsolutions and his V5+meth car. Its pretty close but the cobb car pulls just a little each time. Keep in mind it's 135 vs 335.
Can you post that vid?
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      01-23-2012, 11:49 AM   #3409
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Send a message via AIM to themyst
There's also a video floating around out there with me and clap at the strip running each other with the same race map.
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      01-23-2012, 12:11 PM   #3410
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Quote:
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There's also a video floating around out there with me and clap at the strip running each other with the same race map.
Can you post it ?
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