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      02-24-2011, 04:48 PM   #23
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Quote:
Originally Posted by romak47 View Post
First off isnt the n54 on the 1m an s54? Slight mods to it i assume?
Nope. It's the same engine as the Z4 35is. The S54 was in the E46 M3.
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      02-24-2011, 08:38 PM   #24
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Originally Posted by Impervious View Post
The S54 was the engine used in the E46 M3. I believe the engine in the 1M is still referred to by BMW as the N54.
Isn't the engine in the 1M the N54B30TU? I know the last two letters/numbers are important and for the 1M they specify that the engine is a High Output version.
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      02-24-2011, 09:00 PM   #25
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Originally Posted by Novator View Post
Isn't the engine in the 1M the N54B30TU? I know the last two letters/numbers are important and for the 1M they specify that the engine is a High Output version.
I believe it is the N54B30TO.
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      02-24-2011, 11:18 PM   #26
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Quote:
Originally Posted by Alext View Post
The N55 stock wins because it has the DCT tranmission. I've owned both in N54 form - manual and DCT and the DCT is signicantly quicker. (shorter gearing and faster shifts AND it maintains boost through the each gearchange....)

Stupid comparison...
You have no idea what you're talking about: the N54 never had DCT as an option. Period.

EDIT: I retire my previous statement. I was under the impression you were referring to the 135i and then I came across your other posts referring to other platforms.
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      02-25-2011, 02:16 PM   #27
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Originally Posted by spang135 View Post
ROFL! @ the PIC.
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      02-25-2011, 03:29 PM   #28
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Originally Posted by oman135 View Post
nice !
without a tune N55 is faster !
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Originally Posted by Focusedintntions View Post
Actually N55 has low end and high end....N54 has the mid range though
Quote:
Originally Posted by Alext View Post
The N55 stock wins because it has the DCT tranmission. I've owned both in N54 form - manual and DCT and the DCT is signicantly quicker. (shorter gearing and faster shifts AND it maintains boost through the each gearchange....)

Stupid comparison...



The DCT weights 50lbs+ more than the steptronic and 6mt. I've owned the N54 since it came out back in 2007 and was one of the very first to run a tune. I've owned both the 6mt and 6at and have driven the DCT. Believe me the shifts are quick but not that much more than the steptronic's 300ms gear change.

Gotta love people who just hop in the game and since they have th newest model they think they are the best, know more, and have seen it all.

Oh and i've ran multiple N55's stock for stock and let me tell you first hand the 6at rips a shorter 60ft time each time despite the N55's sophisticated launch control. Now I'm not saying I had a huge lead but a good half car to a car up top. The N55 just got here, so give it some time and there's no doubt it will be right on par with the N54 goodies.

Last edited by BSM 335I; 02-25-2011 at 03:57 PM..
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      02-25-2011, 03:32 PM   #29
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Quote:
Originally Posted by BSM 335I View Post



The DCT weights 50lbs+ more than the steptronic and 6mt. I've owned the N54 since it came out back in 2007 and was one of the very first to run a tune. I've owned both the 6mt and 6at and have driven the DCT. Believe me the shifts are quick but not that much more than the steptronic's 300ms gear change.

Gotta love people who just hop in the game and since they have th newest model they think they are the best, know more, and have seen it all.

Oh and i've ran multiple N55's stock for stock and let me tell you first hand the 6at rips a shorter 60ft time each time despite the N55's sophisticated launch control. Now I'm not saying I had a huge lead but a good half car to a car up top. The N55 just got here, so give it some time and there's no doubt it will be right on par with the N54 goodies.

Why do you think they reused the N54 for their M model and not in their base models? IT'S A PERFORMANCE UPGRADE!
Because there is a surplus of engines. The N54 is being faded out, but they had to use what they had left over. Get off the high horse dude, your car's transmission is outdated!
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      02-25-2011, 03:56 PM   #30
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Originally Posted by 1SerieStud View Post
Because there is a surplus of engines. The N54 is being faded out, but they had to use what they had left over. Get off the high horse dude, your car's transmission is outdated!
Yep outdated, yet still ahead of you in 1/4. oh and please don't forget to kneel down so I can get off this high horse.
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      02-25-2011, 04:02 PM   #31
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Originally Posted by BSM 335I View Post
Yep outdated, yet still ahead of you in 1/4. oh and please don't forget to kneel down so I can get off this high horse.
DCT? Sure. Your car? Doubtful. You could go read my reviews from when a buddy and I took our 2011 cars (his has DCT and mine 6mt) on multiple open road tests. I don't like to brag, and much less in a forum where most people are pulling stuff out of their behinds, but I do consider myself an extremely fast shifter, and the results were rather surprising, and opposite to most people's beliefs.

Hey, you're in FL, assuming stock for stock (only power mod is BMW Performance Exhaust), let's arrange a track meeting.

By the way, kinda hard for me to kneel down when I'm already above you.
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      02-25-2011, 04:19 PM   #32
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Quote:
Originally Posted by 1SerieStud View Post
DCT? Sure. Your car? Doubtful. You could go read my reviews from when a buddy and I took our 2011 cars (his has DCT and mine 6mt) on multiple open road tests. I don't like to brag, and much less in a forum where most people are pulling stuff out of their behinds, but I do consider myself an extremely fast shifter, and the results were rather surprising, and opposite to most people's beliefs.

Hey, you're in FL, assuming stock for stock (only power mod is BMW Performance Exhaust), let's arrange a track meeting.

By the way, kinda hard for me to kneel down when I'm already above you.
Ok ok joking aside. I'm speaking of the N54 vs your N55 not the same motor. To be honest I know for a fact that all I would need is JB4 for right now and this is only due to the fact that your car's motor is still very much in the beginning stages of tuning. Progressing along very nicely but not near the power of the N54 YET.

Again my post was intended for those that were simply laughing at the thought of an N55 losing to an N54? We all know that the N54 is capable of producing more power right now due to the fact that's it's been in production much longer.
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      02-25-2011, 04:26 PM   #33
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Quote:
Originally Posted by BSM 335I View Post
Ok ok joking aside. I'm speaking of the N54 vs your N55 not the same motor. To be honest I know for a fact that all I would need is JB4 for right now and this is only due to the fact that your car's motor is still very much in the beginning stages of tuning. Progressing along very nicely but not near the power of the N54 YET.

Again my post was intended for those that were simply laughing at the thought of an N55 losing to an N54? We all know that the N54 is capable of producing more power right now due to the fact that's it's been in production much longer.
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      02-25-2011, 10:37 PM   #34
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Looks like some ppl are ignoring the fact the video showed a MANUAL vs a DCT...

The DCT is quicker than a manual, period. However, I would like to see a stock auto N54 vs a DCT N54 (335i were avail with DCT in 08 I believe in Europe).
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      02-26-2011, 08:45 PM   #35
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That had to have been one of the dumbest comparos I've ever seen.
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      02-27-2011, 04:07 AM   #36
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i would love to see 6MT N54 VS 6MT N55 ?!
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      02-27-2011, 10:12 AM   #37
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Quote:
Originally Posted by oman135 View Post
i would love to see 6MT N54 VS 6MT N55 ?!



N54
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      02-27-2011, 01:32 PM   #38
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Quote:
Originally Posted by oman135 View Post
i would love to see 6MT N54 VS 6MT N55 ?!
It would need to be a roll on. Way to much driver error involved in a manual launch.

From my local drag strip (elevation of 5280feet), my stock 2011 N55 6mt runs were dead on with a 2009 N54 Steptronic. (13.9's)

With the JB3 stage 1 tune my car was .3-0.4 seconds faster.
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      02-27-2011, 01:56 PM   #39
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N54
N55
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      02-28-2011, 05:19 AM   #40
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Quote:
Originally Posted by 1SerieStud View Post
DCT? Sure. Your car? Doubtful. You could go read my reviews from when a buddy and I took our 2011 cars (his has DCT and mine 6mt) on multiple open road tests. I don't like to brag, and much less in a forum where most people are pulling stuff out of their behinds, but I do consider myself an extremely fast shifter, and the results were rather surprising, and opposite to most people's beliefs.
You got a link mate? Be interested in reading your findings..
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      02-28-2011, 06:30 AM   #41
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Originally Posted by Vtec Abuser View Post
You got a link mate? Be interested in reading your findings..
If you do a search, you will find the info in one of the many DCT vs mt threads. In short, my buddy and I took the cars to a controlled environment, entirely safe, straight stretches of unpopulated roads. Both 2011 N55 cars. We made 2 pulls - one from a dig, and one from a roll. Now mind you, I am well aware of the abilities of DCT, and was constantly thinking I did not stand a chance, but heck, I gave it a shot anyway! Results? From a dig, no matter what you drive, it is absolutely a driver's race; I immediately jumped a car ahead on the launch (even though my car spins 1st, 2nd, and chirps 3rd), and from 0-120 (which is when I hit the brakes) he was unable to close in the gap. Even I was surprised as to how I was able to stay up there, but I am able to shift very quickly, not as fast as DCT however.

From a roll, we started at around 40mph, dead even until about 105-110 where his bumper started to pull forward on me. We let go at 120 and about half of his car was obviously slightly ahead of me. I'm guessing due to quicker shifting and more aggressive gearing.

To me these are interesting findings because regardless of the abilities of both cars, it all boils down on how they are driven.
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      02-28-2011, 07:51 AM   #42
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Nice findings mate.. I did a search on all your posts, but couldn't find it, so appreciate that..
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      03-01-2011, 12:11 PM   #43
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Quote:
Originally Posted by 1SerieStud View Post
If you do a search, you will find the info in one of the many DCT vs mt threads. In short, my buddy and I took the cars to a controlled environment, entirely safe, straight stretches of unpopulated roads. Both 2011 N55 cars. We made 2 pulls - one from a dig, and one from a roll. Now mind you, I am well aware of the abilities of DCT, and was constantly thinking I did not stand a chance, but heck, I gave it a shot anyway! Results? From a dig, no matter what you drive, it is absolutely a driver's race; I immediately jumped a car ahead on the launch (even though my car spins 1st, 2nd, and chirps 3rd), and from 0-120 (which is when I hit the brakes) he was unable to close in the gap. Even I was surprised as to how I was able to stay up there, but I am able to shift very quickly, not as fast as DCT however.

From a roll, we started at around 40mph, dead even until about 105-110 where his bumper started to pull forward on me. We let go at 120 and about half of his car was obviously slightly ahead of me. I'm guessing due to quicker shifting and more aggressive gearing.

To me these are interesting findings because regardless of the abilities of both cars, it all boils down on how they are driven.
If you are a really good manual driver you will be able to keep up with a DCT to a bit past 60...it is after that that DCT makes all the difference.

Their was an explaination of this when DCT first came out on the M3, and from what the video explained DCT has no drop back due to shift time..this is more noticable the faster you go...because the faster you go the faster your speed decreases when you take your foot off the gas.

Here is the video that I am talking about.

Last edited by Aries932; 03-01-2011 at 12:12 PM.. Reason: Wanted to add something
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      03-02-2011, 03:46 AM   #44
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Quote:
Originally Posted by Aries932 View Post
If you are a really good manual driver you will be able to keep up with a DCT to a bit past 60...it is after that that DCT makes all the difference.

Their was an explaination of this when DCT first came out on the M3, and from what the video explained DCT has no drop back due to shift time..this is more noticable the faster you go...because the faster you go the faster your speed decreases when you take your foot off the gas.

Here is the video that I am talking about.
Mmmm, that's a strange one that..
My Golf has the DSG box (same as DCT) and I would say the exact opposite to that mate.
For example, when doing a straight line drag, the 1st to 2nd change is probably the gear where you lose the most momentum when changing with a manual box. Then 2nd to 3rd and so on. The higher gears is where you have less of an advantage with dual clutch, as the car is going that quick and carrying that much momentum anyway, someone with a quick shift in a manual won't really lose much at all.
The dual clutch boxes help not just with the quickness of the shift, but the fact that there is no let up in acceleration, the nose of the car doesn't drop on each change and there's no loss of boost/lag. Something I have found to be most noticiable on a MT car when doing the first few changes (1st to 2nd / 2nd to 3rd ) as you are not carrying enough speed or momentum to help you at that stage.
Could be wrong though..
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