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      07-07-2010, 09:23 PM   #1
Greenkirby21
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Why is my 0-60 so slow : (

I got 7.3 seconds! I am on auto transmission. Should i turn off all traction control completely?

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      07-07-2010, 09:31 PM   #2
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put it in sport mode
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      07-07-2010, 09:31 PM   #3
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Quote:
Originally Posted by BMWfan69 View Post
put it in sport mode
it was in sport mode!
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      07-07-2010, 09:46 PM   #4
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      07-07-2010, 09:49 PM   #5
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Upgrade to a 135i
lol if I had the money then I would
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      07-07-2010, 09:51 PM   #6
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you need to shift to 2nd gear to get faster speed increase after 5k rpm on 1st. Your gas is just revving the engine on 1st. Its not converting to work.
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      07-07-2010, 10:10 PM   #7
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Quote:
Originally Posted by dragon1761 View Post
you need to shift to 2nd gear to get faster speed increase after 5k rpm on 1st. Your gas is just revving the engine on 1st. Its not converting to work.
sorry for this noob question, but if I leave it in Sport Mode will it auto shift at the best moment compared if to when I put it into tiptronic mode?
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      07-07-2010, 10:22 PM   #8
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I tried in both modes, and shifting manually in couple different ways, and ..... unfortunately that's what you get with a combination of an auto transmission and N52 engine.
How many miles did you put on this car?
The reason I ask is because you will notice slight difference in performance after a full breakin.
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      07-07-2010, 10:24 PM   #9
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I tried in both modes, and shifting manually in couple different ways, and ..... unfortunately that's what you get with a combination of an auto transmission and N52 engine.
How many miles did you put on this car?
The reason I ask is because you will notice slight difference in performance after a full breakin.
I have around 14,000 miles
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      07-07-2010, 10:30 PM   #10
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7.3 is better than what I managed with my BMS-tuned 125i
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      07-07-2010, 11:32 PM   #11
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7.3 is better than what I managed with my BMS-tuned 125i
I am going to turn off all traction control, and leave it in sport mode and see what that does. Is there a way to quick start automatics? I know rev in neutral then dump it into D but I heard that is very bad. I tried holding the brakes and pressing da gas but it only went to 1.5 rpm. I heard something else you could do with hand brake? I just dont want to damage my car xD
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      07-07-2010, 11:35 PM   #12
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Quote:
Originally Posted by Greenkirby21 View Post
I am going to turn off all traction control, and leave it in sport mode and see what that does. Is there a way to quick start automatics? I know rev in neutral then dump it into D but I heard that is very bad. I tried holding the brakes and pressing da gas but it only went to 1.5 rpm. I heard something else you could do with hand brake? I just dont want to damage my car xD
Holding down the brake I think I revved to about 2k rpm and then released the brake while gradually applying more and more gas. I read that this is the fastest way to launch a slushbox (rpm may vary) but I didn't get consistently better results than just launching normally (lift off brake completely then floor gas)
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      07-08-2010, 06:36 AM   #13
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What are you using to track your 0-60 time and what should you use to track your time? 2 part question
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      07-08-2010, 08:30 PM   #14
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Quote:
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What are you using to track your 0-60 time and what should you use to track your time? 2 part question

Also, was the car fully laden? How much gas was in the tank? Was there a head wind? The list could go on...

Did you air down your rear tires any?

What are you hoping to achieve...sub 7 second and why is it so important?
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      07-08-2010, 08:40 PM   #15
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Quote:
Originally Posted by B_2_B_P View Post
What are you using to track your 0-60 time and what should you use to track your time? 2 part question
Quote:
Originally Posted by K03sport View Post
Also, was the car fully laden? How much gas was in the tank? Was there a head wind? The list could go on...

Did you air down your rear tires any?

What are you hoping to achieve...sub 7 second and why is it so important?
assume these questions are directed at the OP, but i'll answer them for my own car first...

1) dynolicious (iphone app) and stopwatch
2) should use a g-tech

3) car only had me in it (i weigh 160lb)
4) 1/4 tank gas
5) no wind
6) rear tyres slightly under recommended pressure
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      07-09-2010, 12:15 AM   #16
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http://www.gtechpro.com/ss.html#

Seriously? This can read all that including HP and Torque from the cig lighter? Any one have this? Is it accurate?
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      07-09-2010, 12:37 PM   #17
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Quote:
Originally Posted by Greenkirby21 View Post
I am going to turn off all traction control, and leave it in sport mode and see what that does. Is there a way to quick start automatics? I know rev in neutral then dump it into D but I heard that is very bad. I tried holding the brakes and pressing da gas but it only went to 1.5 rpm. I heard something else you could do with hand brake? I just dont want to damage my car xD
I dont think revving in neutral then shifting to drive is going to do anything for you. traditionally what i do is just kill the traction control by holding down the dtc button til the alert triangle comes then pop it into sports mode, hold down the brakes and then gas it up to around 3k. Then let go of the brake. That way, you can do the whole burnout effect too. ps. hands on the ten and two oclock positions
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      07-09-2010, 10:06 PM   #18
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try again with
-DTC on
-one foot on the brake one foot on throttle and launch at 2k
-shifting at 6k instead of shifting at redline
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      07-09-2010, 11:00 PM   #19
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start at 2nd gear. That would increase the speed of 0-60. i tested it today
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      07-09-2010, 11:30 PM   #20
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How fast do you think it should be? I'm pretty sure BMW used to quote 0-60mph for the auto in 7.0, you aren't far behind. The automatic on the 128i isn't as good as the 135i. Also, are you using precise instrumentation for testing your time?

The bmwusa.com website indicates 6.1s/6.7s manual/auto.
I'm pretty sure those aren't the original numbers they put out when the car was released.
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      07-09-2010, 11:46 PM   #21
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we can't expect too much from 128i can't we.....
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      07-10-2010, 12:26 AM   #22
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we can't expect too much from 128i can't we.....

its not what you have. Its how you drive your car that counts.
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