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Old 05-13-2014, 10:28 PM   #1
1bmw1
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2009 E90 accelerator pedal delay on startup

Anyone notice this on their E90 auto? I feel a fairly noticeable delay when giving it gas from stop. I know it's an electronic drive-by wire system but i feel it more than usual. Any thoughts?
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Old 05-14-2014, 08:18 AM   #2
ex3mal
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Sprint booster will fix it
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Old 05-14-2014, 09:53 AM   #3
jrsmitchell
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My understanding is the Sprint booster just adds a fixed % to your throttle position. Once you know that you kind of wonder why you don't just put your foot down more. I have one in my (manual) E90 and I just leave it disabled, but maybe it's different on an Auto.

I wonder if an ECU "tune" would be a better option, but no direct experience.
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Old 05-14-2014, 10:54 AM   #4
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Quote:
Originally Posted by 1bmw1 View Post
Anyone notice this on their E90 auto? I feel a fairly noticeable delay when giving it gas from stop. I know it's an electronic drive-by wire system but i feel it more than usual. Any thoughts?
Automatic + turbo = throttle lag, especially from idle.

Now if it's getting worse that's a concern.
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Old 05-14-2014, 09:55 PM   #5
1bmw1
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Hm, how about this "transmission reset" thing i hear about? Anyone do this?
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Old 05-14-2014, 11:54 PM   #6
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Just get a tune.... I got my car tuned and it picks up a lot faster.
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Old 05-15-2014, 08:14 AM   #7
NOTORIOUS VR
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Originally Posted by ex3mal View Post
Sprint booster will fix it
waste of money
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