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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 > Stock 335is hangs with my 335i with tune.



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      01-24-2012, 12:36 AM   #45
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DCT is formula 1 transmission technology. I'm sorry, but that is enough of a difference to win in a drag race with an amateur driver. My guess is, the car is running as it should and if a professional was driving, it would of been a wider gap. You can't make any mistakes with DCT, manual transmissions are the worst for drag racing.
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      01-24-2012, 01:51 AM   #46
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Dct is the best for launching ,but on a roll against a mt it's only minimal if the driver is good with stick.
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      01-24-2012, 02:12 AM   #47
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Film the race next time and repost please Would love to see this race!

Last edited by PR3CI5N; 01-24-2012 at 02:28 AM..
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      01-24-2012, 02:27 AM   #48
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dont forget, not only does the DCT shift fast, it also has shorter gearing so it will accelerate quicker when in the same gear as a manual

so the overboost, fast shifting, and gearing all makes that happen

also, in a manual, when u shift, u let off all the boost pressure where as a DCT can shift fast enough to sustain boost while shifting, so DCT equipped cars doesnt need to build boost again where as the manual has to
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      01-24-2012, 02:43 AM   #49
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Quote:
Originally Posted by TOPEC View Post
dont forget, not only does the DCT shift fast, it also has shorter gearing so it will accelerate quicker when in the same gear as a manual

so the overboost, fast shifting, and gearing all makes that happen

also, in a manual, when u shift, u let off all the boost pressure where as a DCT can shift fast enough to sustain boost while shifting, so DCT equipped cars doesnt need to build boost again where as the manual has to
If they made the dct in 08 ,I would have scooped it up with the quickness.The auto in my years are garbage .
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      01-24-2012, 03:27 AM   #50
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Quote:
Originally Posted by Bme30 View Post
i thought they were the same too. and i went to check and i was on map 2, such a habit from the 7-29 maps.
you should run map 1 and NOT map 2. that is for meth only. You should definetely log your car.
you were probably pulling timings = not very fast.... READ always the info included in the maps before...
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      01-24-2012, 05:10 AM   #51
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Quote:
Originally Posted by Streetsweeper360 View Post
I know the dct shifts fast I agree with that but having over 70 whp or more you should have beat him .My buddy had the proceed and he told
Me that it feels like a Cobb stage 2 + and I have to say ,no it doesn't!I
Would dyno the car to and see what's happening .This is when dynos are really used ,there the greatest tools to find a issue like this one .
What is the actual whp? +70whp would take about 385whp.
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      01-24-2012, 05:13 AM   #52
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Quote:
Originally Posted by BuraQ View Post
7 seconds of overboost at 14 psi all the way to redline
You are dreaming. The overboost is only in the midrange, see the BMW official 335is engine output graphs.

The outcome is probably from the DCT/manual difference and bad tune setup.
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      01-24-2012, 07:34 AM   #53
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I think it's time you get the NLS (no-lift-shift)
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      01-24-2012, 07:46 AM   #54
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Quote:
Originally Posted by tscdennab
Quote:
Originally Posted by BuraQ View Post
7 seconds of overboost at 14 psi all the way to redline
You are dreaming. The overboost is only in the midrange, see the BMW official 335is engine output graphs.

The outcome is probably from the DCT/manual difference and bad tune setup.
I agree I think that he was running the wrong map on the tune. I have a DCT 335is as well but I don't think the DCT can make up for the difference in power that his car SHOULD be making. The M3 guys do say that on their platform a DCT M3 can beat an MT M3 that is making about 50hp more than the DCT. The shifts and gearing make up for the power loss. But in this case, his car should be making way more than 50hp over that 335is. So I say do some logs and check the maps your running OP.
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      01-24-2012, 08:58 AM   #55
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Quote:
Originally Posted by tscdennab View Post
You are dreaming. The overboost is only in the midrange, see the BMW official 335is engine output graphs.

The outcome is probably from the DCT/manual difference and bad tune setup.
I dont know how far you read up to, but let me reiterate the facts:

Quote:
Originally Posted by Bme30 View Post
Tonight I ran my buddies new 335is. I am 2007 procede aggressive maps, intakes and downpipes. We did a second gear roll and were pretty much dead even till I hit 4th where I started to pull away. And I wasn't really pulling away hard. Is this normal? I figured I would have smoked him. I'm thinking I should go back to the 7-29 maps.
What's your guys thoughts?
See here the OP clearly states him and his friend did a second gear roll. I intepreted this, as from experience, RPMs are well into or past the mid range on that DCT bi-turbo

Quote:
Originally Posted by BuraQ View Post
If his friend hit that kick down at high RPMs on that roll, then yes that 14 PSI of boost came instantly on the spot
I think that says it for itself.

So do you think I am still dreaming or you just were not fully awake when reading this ?
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      01-24-2012, 09:02 AM   #56
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Quote:
Originally Posted by Streetsweeper360 View Post
Dct is the best for launching ,but on a roll against a mt it's only minimal if the driver is good with stick.
Oh I'd love to hear this, please tell us all oh mighty Streetsweeper360, why is that the DCT is best for launching?
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      01-24-2012, 09:04 AM   #57
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Quote:
Originally Posted by KG3356MT View Post
I agree I think that he was running the wrong map on the tune. I have a DCT 335is as well but I don't think the DCT can make up for the difference in power that his car SHOULD be making. The M3 guys do say that on their platform a DCT M3 can beat an MT M3 that is making about 50hp more than the DCT. The shifts and gearing make up for the power loss. But in this case, his car should be making way more than 50hp over that 335is. So I say do some logs and check the maps your running OP.
Dct vs manual on the S65 is worth 3 mph in the quarter mile.
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      01-24-2012, 09:05 AM   #58
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Quote:
Originally Posted by RnmEvo9 View Post
Oh I'd love to hear this, please tell us all oh mighty Streetsweeper360, why is that the DCT is best for launching?
Lol try doing a proper burnout with a dct.
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      01-24-2012, 09:14 AM   #59
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Yup I am really interested in hearing about launching on the 335is DCT
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      01-24-2012, 09:33 AM   #60
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Quote:
Originally Posted by enrita View Post
you should run map 1 and NOT map 2. that is for meth only. You should definetely log your car.
you were probably pulling timings = not very fast.... READ always the info included in the maps before...
I think this is probably it. Also NLS is pretty awesome for a MT.
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      01-24-2012, 09:47 AM   #61
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Quote:
Originally Posted by BuraQ View Post
So do you think I am still dreaming
Yes, because the torque does not matter, it's the difference in maximum power that makes up the difference in car lengths. Do a race between a stock 335i and a stock M3 (both have 400Nm of torque) and see who wins.
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      01-24-2012, 09:49 AM   #62
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Although you have a ‘07 n54 MT with intake and down pipes, you still have a long way to go to get any real power. Stock, your car probably only made 270 hp and 290 lb-ft and everyone will say yes, but you have some intake mod and catless DPs with a PROcede running aggressive maps. This all sounds logical and should put you in the 330 hp and 350 lb-ft range realistically. I’m actually surprised you didn’t get your @$$ handed to you off the line by the 335is. The 335is is a factor tuned car that dyno’s 293 hp and 343 lb-ft. The fact that the DCT car is shifting much quicker than you can makes up for the lack of power until you get into the 4th gear and the 335is starts to roll off the overboost.

If you want to take advantage of the PROcede and Aggressive maps with the setup you’re running, buy the PWM methanol kit. Even without the FMIC, with stage 2 map 4 you’ll be able to boost 18psi without any issues on pump gas. You should then be at 400 hp and 430 ft-lbs and you won’t have an issue with walking away from your friends 335is…

BTW, the aggressive maps take advantage of timing advance to get low end power. Without high octane fuel and cold IC readings, you won’t see the timing advance like you will with a car running meth.
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      01-24-2012, 10:00 AM   #63
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Quote:
Originally Posted by Wedge1967 View Post
Although you have a ‘07 n54 MT with intake and down pipes, you still have a long way to go to get any real power. Stock, your car probably only made 270 hp and 290 lb-ft and everyone will say yes, but you have some intake mod and catless DPs with a PROcede running aggressive maps. This all sounds logical and should put you in the 330 hp and 350 lb-ft range realistically. I’m actually surprised you didn’t get your @$$ handed to you off the line by the 335is. The 335is is a factor tuned car that dyno’s 293 hp and 343 lb-ft. The fact that the DCT car is shifting much quicker than you can makes up for the lack of power until you get into the 4th gear and the 335is starts to roll off the overboost.

If you want to take advantage of the PROcede and Aggressive maps with the setup you’re running, buy the PWM methanol kit. Even without the FMIC, with stage 2 map 4 you’ll be able to boost 18psi without any issues on pump gas. You should then be at 400 hp and 430 ft-lbs and you won’t have an issue with walking away from your friends 335is…

BTW, the aggressive maps take advantage of timing advance to get low end power. Without high octane fuel and cold IC readings, you won’t see the timing advance like you will with a car running meth.

So are you saying that if the "is" put a Procede on it would run slower than it does now? And with stage 2 aggressive maps and down pipes he should be significantly above the "330 hp and 350 lb-ft range"
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      01-24-2012, 10:00 AM   #64
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Quote:
Originally Posted by tscdennab View Post
Yes, because the torque does not matter, it's the difference in maximum power that makes up the difference in car lengths. Do a race between a stock 335i and a stock M3 (both have 400Nm of torque) and see who wins.
+1
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      01-24-2012, 10:05 AM   #65
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Quote:
Originally Posted by themyst
Quote:
Originally Posted by KG3356MT View Post
I agree I think that he was running the wrong map on the tune. I have a DCT 335is as well but I don't think the DCT can make up for the difference in power that his car SHOULD be making. The M3 guys do say that on their platform a DCT M3 can beat an MT M3 that is making about 50hp more than the DCT. The shifts and gearing make up for the power loss. But in this case, his car should be making way more than 50hp over that 335is. So I say do some logs and check the maps your running OP.
Dct vs manual on the S65 is worth 3 mph in the quarter mile.
I know. The DCT is what makes the M3 IMHO.
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      01-24-2012, 10:10 AM   #66
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A quick google search reveals that in magazine testing the 335is traps about a 108 in the quarter. That roughly equal to a stock Cobb stage 1 car.
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