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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 1 Series / 2 Series > E82 / E88 1 Series (2008 - 2013)

E82 / E88 1 Series (2008 - 2013)
BMWs throw back to the iconic 2002, with a renewed form and function. The smallest car in BMW's line up but still packs a punch. Available in coupe or convertible, powered by either an inline 6 in the 128 or the twin turbo rocket sled 135.

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  #1  
Old 07-03-2009, 06:39 PM
NH128i NH128i is offline
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maximimizing 128i acceleration?

HI guys,

I just got my 128i coupe and Iím getting close to 2000KM break-in. Lately I we been more aggressive with the gas pedal pushing more often over 6K/rpm.

I have few questions:

1) How can I maximise 0-100km/h performance for 128i automatic? It seems that sports mode has quicker response, so what is the best gear shifting per rpm?

2) Can the kick-down be used for sports mode, and do you keep the pedal in kick down (floored) until you reach 100km/h?

Thanx a ton !
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  #2  
Old 07-03-2009, 06:45 PM
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AzNMpower32 AzNMpower32 is offline
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Just use sport mode in the Automatic and floor the throttle. It's a slushbox, not a manual.
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  #3  
Old 07-03-2009, 07:49 PM
NH128i NH128i is offline
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Thanx for a reply ! But I still have a question, when shifting gears in Sport mode, do you have suggestions on what rpms to switch from gear to gear. For example in M1 I let pass 6000rpm than shift to M2, than at 4500rpm to M3 ... Is there better timing for shifts at different rpms? So if i floor it, it goes over the red line in M1. What is the best time to switch to M2,3,4,5,6 afterwards?

Thanx again
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  #4  
Old 07-03-2009, 07:52 PM
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AzNMpower32 AzNMpower32 is offline
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Don't need to shift manually. Even in manual mode, the car upshifts at the redline automatically (no bouncing off the redline here). Just floor the throttle and let the computer figure it out.
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  #5  
Old 07-03-2009, 08:02 PM
NH128i NH128i is offline
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Great ! I like that since i don't have a manual experience.
I do get scared to use kick-down too often. Do you know if kick down is damaging for the engine?

t.y
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  #6  
Old 07-03-2009, 08:04 PM
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AzNMpower32 AzNMpower32 is offline
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Once the motor and fluids are thoroughly warmed up, there isn't anything wrong with it. I'm sure frequent redlining can't be good for the automatic gearbox (fragile anyway), but the cars are engineered well.
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  #7  
Old 07-03-2009, 08:39 PM
NH128i NH128i is offline
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thanx a lot for the info ! i'm new to the bmw family and i own mine, not leasing. I want to make sure that i don't break it while still having some fun.
Cheers!
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  #8  
Old 07-04-2009, 06:49 PM
BWM135 BWM135 is offline
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Yeah, for the 128 put it in DS and mash it. The 135 is a bit different, I figure shifting a bit shorter than redline might produce quicker times in that car because of how it makes power.
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  #9  
Old 07-04-2009, 07:13 PM
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Best bet would be to get rid of the factory wheels and put some light weight wheels on there.
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  #10  
Old 07-07-2009, 08:08 PM
135eye 135eye is offline
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WHen I used to own an automatic transmission BMW 3 (a long time ago) I found that mashing on the throttle for a second, lifting off and then pressing on it again seemed to give a little extra boost. I dont think it would actualy make a difference in a timed 0-60 run, but it did give an extra boost for some extra fun factor when driving on the twisties solo
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  #11  
Old 07-13-2009, 11:15 PM
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When it's floored in automatic, it will let you run past 6500 RPM's if you start to back off the peddle though, it will shift up.......... I have a 128i as a rental, so theres no sport package
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  #12  
Old 07-13-2009, 11:56 PM
DVDA DVDA is offline
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Quote:
Originally Posted by NH128i View Post

1) How can I maximise 0-100km/h performance for 128i automatic? It seems that sports mode has quicker response, so what is the best gear shifting per rpm?
Trade it in for a 135i

No idea, just messing
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  #13  
Old 07-15-2009, 03:26 PM
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kevjandon kevjandon is offline
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Quote:
Originally Posted by DVDA View Post
Trade it in for a 135i

No idea, just messing

That's what I was going to say + dump the slush box and learn how to drive a manaul.
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  #14  
Old 07-15-2009, 05:43 PM
135eye 135eye is offline
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Originally Posted by kevjandon View Post
That's what I was going to say + dump the slush box and learn how to drive a manaul.
come on.... everyone has a reason for their transmission choice
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  #15  
Old 07-22-2009, 02:06 PM
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Kzang Kzang is offline
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LOL at the manual/stick comment.

My Sport Automatic Transmission can shift better and faster than I could on my old manual car.

To the OP, look into RPI Scoop and Sprint booster, some owners who modded their car with these had positive results and they are fairly cheap mods.
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  #16  
Old 07-22-2009, 04:58 PM
JimD1 JimD1 is offline
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My reasons for preferring a manual do not have anything to do with quicker acceleration. I am not sure if I can bet somebody in the same car with an automatic but I don't care. Manual transmissions should last forever (if not abused) and never require more than a fluid change. And I like the tranmission to be in the gear I want it to be in. Not shift in the middle of a hard turn. Or upshift just before I slow down. I also like the more direct connection to what the car is doing. The tiny lag with the automatic bugs me.

Isn't it nice we have the choice?

Jim
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  #17  
Old 07-22-2009, 06:11 PM
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Kzang Kzang is offline
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Quote:
Originally Posted by JimD1 View Post
My reasons for preferring a manual do not have anything to do with quicker acceleration. I am not sure if I can bet somebody in the same car with an automatic but I don't care. Manual transmissions should last forever (if not abused) and never require more than a fluid change. And I like the tranmission to be in the gear I want it to be in. Not shift in the middle of a hard turn. Or upshift just before I slow down. I also like the more direct connection to what the car is doing. The tiny lag with the automatic bugs me.

Isn't it nice we have the choice?

Jim
I'm afraid you must not be familiar with the auto transmission in newer cars, especially the new Sports Auto Transmission in my car since I can control the shifting just as I could if it was a manual and this transmission has no lag at all, especially when I push the "sport" button and move the shifter to D/S mode. The throttle response is instant and blazing fast.

Actually manual gears have that tiny lag as well especially when taking off without revving, at least it did on my 2007 525i.
Also I don't normally keep a car past 4+ years so reliability in regards to the transmission is not important.

I had manual cars all my life except for my current car, and the Sport Automatic Transmission is so much better than any manual car I've ever driven is so many ways.
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Previous Cars
2010 535i - Deep Sea Blue w/ NBD Leather, Bamboo Anthracite WT, Sport Auto Trans w/ Paddle shifter, Sports Pkg, PP, CWP, Nav, HD Radio, Ipod.
2007 525i - Black Sapphire Metallic, Black Nevada Leather, Premium package, CWP, 6MT.

Last edited by Kzang; 07-22-2009 at 06:14 PM.
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