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      11-02-2007, 04:17 PM   #1
Bubbarossa
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Raced against a 550i, give me a little advice/knowledge on what happened here...

Long story short, i got the jump on him and he gave up (didn't catch up) once we hit the twisties...

however...in first gear, i have a step, I hit some slight uneven road sections which caused the car to basically "hiccup" twice, i saw something flash on my screen (possible DSC or DTC, not sure tho), and i literally went forward in my seat from the power loss! Did i redline or does DSC/DTC cause that car to, for lack of a better/technical word, reset???
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      11-02-2007, 04:18 PM   #2
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i think u were basically losing traction so the car had to adapt
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      11-02-2007, 04:19 PM   #3
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DSC reduces power power, applies brakes, and performs actions necessary to prevent you from damaging your car, yourself, or things around you. If you hit a bump, you may experience a loss of traction through actual loss of contact or a reduced contact patch that allows the torque to accelerate the rear wheel faster than the front wheels. This will cause the computer to intervene.

You can reduce the threshold of this occurrence by pressing the DSC button once on your console. If you hold the button for four seconds, all nannies except for ABS will be disabled.
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      11-02-2007, 04:21 PM   #4
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Cool, thx guys, appreciate the input. I was actually kinda embarrassed, but i'm not sure he noticed, heh heh.
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      11-02-2007, 04:22 PM   #5
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Quote:
Originally Posted by Nyulak View Post
DSC reduces power power, applies brakes, and performs actions necessary to prevent you from damaging your car, yourself, or things around you. If you hit a bump, you may experience a loss of traction through actual loss of contact or a reduced contact patch that allows the torque to accelerate the rear wheel faster than the front wheels. This will cause the computer to intervene.

You can reduce the threshold of this occurrence by pressing the DSC button once on your console. If you hold the button for four seconds, all nannies except for ABS will be disabled.
+1

I know magazines say BMW traction control doesn't intervene as much as in other cars, but when it does come on, it can come on HARD. I'm sure what happened is the car noticed the wheels' loss of traction, and it cut fuel and braked.
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      11-02-2007, 04:23 PM   #6
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I was at the gym two days ago and I dropped the dumbbell on my foot, I hope nobody noticed.

BTW this is my 700th post. Very Informative I must say.
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      11-02-2007, 05:49 PM   #7
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Quote:
Originally Posted by siriusinvestor View Post
I was at the gym two days ago and I dropped the dumbbell on my foot, I hope nobody noticed.

BTW this is my 700th post. Very Informative I must say.
thx
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      11-02-2007, 07:26 PM   #8
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Quote:
Originally Posted by Bubbarossa View Post
i saw something flash on my screen (possible DSC or DTC, not sure tho), and i literally went forward in my seat from the power loss! Did i redline or does DSC/DTC cause that car to, for lack of a better/technical word, reset???
In order to fuly understand how DSC, DTC and ABS work and to learn how to take complete control of your car, you should go to BMW Driver Training. Worths every minute of your time there and every penny you spend.
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      11-02-2007, 07:33 PM   #9
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Quote:
Originally Posted by siriusinvestor View Post
I was at the gym two days ago and I dropped the dumbbell on my foot, I hope nobody noticed.

BTW this is my 700th post. Very Informative I must say.
I agree
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      11-02-2007, 08:00 PM   #10
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you hit a bump... i have a bump outside my work right on a turn, everytime if i hit it, the power drops and then surges back once it regains traction. Lots of crappy on ramps the same way around here.

dave
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