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Old 10-25-2012, 09:04 PM   #1
E46Cherry
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DSC vs Rain

We've had plenty of hard rain here in the midwest the past few days. When it's raining fairly hard where water seems to collect on the roads, I find it much easier to drive with the DSC off. Anyone else seem to notice that DSC is quite sensitive and at times too dangerous?
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Old 10-25-2012, 09:06 PM   #2
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Wtf? Why would you turn it off

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Old 10-25-2012, 09:06 PM   #3
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No, DSC is not dangerous. DSC kicks ass. ASC and the old programs could be dangerous.
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Old 10-25-2012, 09:09 PM   #4
E46Cherry
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it seemed like it was actually swerving more with it on for some reason. when I turned it off it felt like I had way more control of the car!
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Old 10-25-2012, 09:10 PM   #5
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it seemed like it was actually swerving more with it on for some reason. when I turned it off it felt like I had way more control of the car!
You're using too much throttle.
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Old 10-25-2012, 09:10 PM   #6
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Originally Posted by E46Cherry View Post
We've had plenty of hard rain here in the midwest the past few days. When it's raining fairly hard where water seems to collect on the roads, I find it much easier to drive with the DSC off. Anyone else seem to notice that DSC is quite sensitive and at times too dangerous?
No
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Old 10-25-2012, 09:13 PM   #7
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That's what it's designed for...I never ever ever turn mine off.

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Old 10-25-2012, 09:13 PM   #8
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You're using too much throttle.
I guess that's a possibility. Usually I would start driving before it even rains and mostly on the highway. By the time it starts raining, I was so used to maintaining an 80-90mph range that I could be using too much throttle
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Old 10-25-2012, 09:17 PM   #9
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I guess that's a possibility. Usually I would start driving before it even rains and mostly on the highway. By the time it starts raining, I was so used to maintaining an 80-90mph range that I could be using too much throttle
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Old 10-25-2012, 09:20 PM   #10
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lol
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Old 10-25-2012, 09:27 PM   #11
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Old 10-25-2012, 09:30 PM   #12
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well I wasn't going that fast. I slowed down to how traffic was going which was like 50 but I still felt more swerving OR the car trying to maintain a straight path in curves.
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Old 10-25-2012, 09:39 PM   #13
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What is the condition of your tires and what brand & model are they?
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Old 10-25-2012, 09:42 PM   #14
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Sounds like you are hydroplaning?? Suggest you slow it down a bit.

DCS is generally a good thing, except in my M5 when you have to turn it off if you plan on hopping on the throttle hard.

Nothing worse than having your ignition timing retarded heavily and your drive by wire throttles shut down when you are trying go get out of the way quickly!
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Old 10-25-2012, 10:00 PM   #15
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I have michelin Pilot Sport PS2 on the M3. same ones since I bought the car about 2 months ago. it's possible I was hydroplaning. I just thought it was the DSC cause when I turned it off, it seemed I had a little more control. But then again there were still times I had the same symptoms with the DSC off.
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Old 10-25-2012, 10:09 PM   #16
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This isn't an issue with DSC. It's an issue with you not being able to control the car properly. Slow down.

The real question is why you decided to turn the traction control off while driving in heavy rain. It doesn't seem like the smartest move.
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Old 10-25-2012, 10:19 PM   #17
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My DSC hasn't been on for years....I think the module is bad.

I did have an issue when it was working, and shortly before it went out, where I changed only my rear tires on a road trip they had a softer treadwear rating than the fronts fwiw, and i noticed on a freeway merge ramp (a long bending curve basically) going about 50mph I felt a fierce vibration in the pedal, and DSC correcting for no reason...indicator flashing etc.. it felt very dangerous. I know what a properly functioning DSC feels like, and this was nothing at all like that.
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Old 10-25-2012, 10:41 PM   #18
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This isn't an issue with DSC. It's an issue with you not being able to control the car properly. Slow down.

The real question is why you decided to turn the traction control off while driving in heavy rain. It doesn't seem like the smartest move.
this.
if you're activating the dsc in rain you're doing something wrong. i can drive pretty hard without even making the light blink. i have brand new tires and suspension though so you car might be falling apart. just saying.
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Old 10-25-2012, 10:44 PM   #19
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unless you've take some driving/track courses, i highly suggest you keep it On. an M3 with DSC off in the rain is an M3 rear end into a tree/pole waiting to happen.
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Old 10-25-2012, 10:45 PM   #20
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DSC works impeccably in the rain. It does exactly what its supposed to do. Yes, it's intrusive. But it will correct the car before it gets into trouble. You have to be trying quite hard to do something stupid enough to crash the car in the rain while the DSC is on. Believe me, i've tried plenty of times when I was getting a feel for how the system intrudes. If you drive sensibly, the system will keep you safe.

Driving 90 MPH in the rain is not sensible. I mean this in the nicest way possible...you don't sound like you can control the car well enough to bring it back from an unexpected loss of traction in the wet. Keep the system on. I've been autocrossing for a number of years. I've raced in the rain and i'm quite familiar with driving the car past the limits of adhesion in the wet. I keep the DSC on when i'm driving on the street in the rain. There's no reason not to.

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