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Old 07-28-2008 | 06:21 PM
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hey whats up guys just one quick question my boy wants to know how he can improve his acceleration on a 2005 545i cuz its lazy as shit...thankssss
Old 07-28-2008 | 06:22 PM
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Originally Posted by dropped545' post='634611' date='Jul 28 2008, 09:21 PM
hey whats up guys just one quick question my boy wants to know how he can improve his acceleration on a 2005 545i cuz its lazy as shit...thankssss
remove the spare tire and drive naked. less weight = faster acceleration.
Old 07-28-2008 | 06:25 PM
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Originally Posted by C's Bimmer' post='634613' date='Jul 28 2008, 06:22 PM
remove the spare tire and drive naked. less weight = faster acceleration.
don't forget to remove the floor mats...
Old 07-28-2008 | 06:30 PM
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Might help if you give us a little more to go on.

The 545 is a legit mid 5 zero to 60 car. In the right hands even lower. You got to have a serious car to get under 5.

What exactly is his problem or what he trying to accomplish??
Old 07-28-2008 | 06:33 PM
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sprint boaster.. leave the sport on and hit it....
Old 07-28-2008 | 06:42 PM
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Originally Posted by skylolow' post='634617' date='Jul 28 2008, 08:30 PM
Might help if you give us a little more to go on.

The 545 is a legit mid 5 zero to 60 car. In the right hands even lower. You got to have a serious car to get under 5.

What exactly is his problem or what he trying to accomplish??
its just lazy from light to light ...
Old 07-28-2008 | 06:49 PM
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have you tried the 25 second trans reset trick? Or perhaps an SB....
Old 07-28-2008 | 06:53 PM
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Originally Posted by GENEaTALS' post='634632' date='Jul 28 2008, 09:49 PM
have you tried the 25 second trans reset trick? Or perhaps an SB....
THAT trick dont work... well at lest not with the smg.. i sat there for like 2 hours one day.. it didnt work for me...
Old 07-29-2008 | 06:18 AM
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25 sec. reset doesn't work with SMG.

Is he driving in sport mode?? Keep the thing out off D1.

He could always use launch mode but that isn't recommended on city streets (do search on that or look in the manual).

Sprintbooster will change the feeling of the the pedal. It won't make the car faster but will give the gas pedal much more of a "hair trigger". Basically what use to be maybe 1/4 of the pedal down will now be 1/8 of the pedal down. Makes it much more touchy.

If he wants more speed basically (for the most part) all that is out there is exhaust, intake, and ECU remap.

Otherwise buy an M5.
Old 07-29-2008 | 06:23 AM
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I think I understand what your saying....with SMG there are 2 extremes and very little in the middle. SMG is lazy off the line (due to the clutch needing to engage first) specially if you just give it low to medium throttle input...you'll get beat by the girl in a Kia Rio every time! But if you have it in "Sport Mode", dissengage "Traction Control", engage "Launch Control"...look out! You are going for the ride of your life!!!



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