01-02-2013, 11:05 AM | #1 |
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Troubble in snow
We had a lot of snow recently,and I needed to park my car another place. I drove it into the parkinglot which was not cleared for snow yet,with no problems at all. Trying to back out later was difficult as the respons from throttle was close to zero. I switched off the antispinn but still the wheels wouldt not roll i reverse. No spinn either. Forward was not the same as switching off antispinn gave me full throttle and I managed to spin out by turning the wheels.
Is the antispinn always engaged backing up?? |
01-02-2013, 12:49 PM | #2 |
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Did you turn off the traction control by pressing the button or did you hold the button down for several seconds until Dynamic Traction Control (DTC) notification was shown on the dash?
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01-02-2013, 01:10 PM | #3 | |
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01-02-2013, 02:05 PM | #4 |
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I tried both modes. As I said,wheels would spin forward but trying reverse gives me the "no power" feeling even with traction controll off
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01-02-2013, 02:18 PM | #5 |
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Even with DSC "completely off" I suspect there is some kind of mild brake-activated traction control in play. You really need to be aggressive with the throttle in these types of situations.
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01-04-2013, 02:50 AM | #6 | |
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I did donuts easily on snow with DSC off. Something like this, but not that wildly as I have proper winter tyres: |
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01-05-2013, 04:02 PM | #7 | ||
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01-05-2013, 04:54 PM | #8 |
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Traction control can be turned off, but some kind of stability control remains on, as in "undefeatable". It won't kick in as early when "disabled", but will still prevent the car from doing endless donuts.
There is simply no comparison, for fun in the snow, with a lesser powered but no stability control awd car... |
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01-05-2013, 09:15 PM | #9 |
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What do you base that statement on? There are many examples, including drives at the BMW factory that indicate you are incorrect.
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01-06-2013, 03:02 AM | #10 | |
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Well, can you elaborate what means something to you? For a fact I know that my car did nothing to help me while I played with it on snow. I spun around and understeered with it a lot. And for a fact I know that only in DSC off I can play like I want. i can not do donuts in normal or traction mode. To me, it seems you are talking without experimental method. |
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01-06-2013, 08:50 PM | #12 | |
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Secondly, even with DSC on "off", there is still one wheel braking that occur once the yaw angle / speed sensor sense that there is too much oversteer for too long. Same thing happens with other cars, like the VWs, it's not a "real", 100% off, stability control. Try to drift a STI or an older AWD car, you won't sense this one-wheel braking trying to... break your fun. Never went to the BMW factory, only lapping on tarmac and snow closed circuits. Is there any snow at the factory track ? The 100% DSC off vs 90% off difference thing is negligible if the car is not running on snow... |
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01-06-2013, 08:59 PM | #13 | |
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On the other hand, "looser" donuts will happen with the traction control off. The non-100%-defeatable stability control will allow you to slip, but WILL brake a wheel when you will get tighter donuts (ie : when the Audi spins around its center axis) http://www.autoguide.com/auto-news/2...ty-agency.html Do we really need a fully defeatable DSC with the X3 to have fun in the snow ? Probably not. It's not a STI after all. Most X3 drivers won't care. Even the new Golf R is not 100%-defeatable and is aimed at sportier-driving folks... |
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01-14-2013, 08:50 AM | #15 | |
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01-14-2013, 10:26 AM | #16 |
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To go to the poster's original quesiton, I had a situation just the other day where a big burm of snow was plowed behind my X3. I put it in reverse and rolled into the snow very slowly and eventually reached a point where my wheels spun. I then moved back forward and, after confirm it was safe to do so, put it back in Reverse and took a little momentum at the burm. Blew thru it with no concerns about the amount of throttle response available. Definately had power to cause a bit of wheel spin which was then limited by the traction control system.
If your vehicle does not behave this way, I'd question the amount of throttle application/driving technique or get it checked out for any issues. |
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