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-   -   dsc light flashes in a hard corner (http://forum.e46fanatics.com/showthread.php?t=966839)

limpiabota809 01-21-2013 01:00 PM

dsc light flashes in a hard corner
When taking a hard corner at different speeds always under 15 MPH though, the DSC light will flash and I can feel the ABS pulse on the front left wheel. I'm pretty sure I need an alignment as the car also pulls slightly to the left while I'm going 40+. That'll be taken care of tomorrow but is there anything else that i should be looking for or any other reason as to why the DSC light will flash while turning?

DSC issue started today, but I do however live in NYC so the streets are horrible(maybe this plays a role as to what is happening) haven't hit a pothole though or anything else for that matter.

FastHackem 01-21-2013 01:08 PM

This is normal operation of the DSC system. Please refer to page 19 in your owners manual.

limpiabota809 01-21-2013 01:13 PM


Originally Posted by FastHackem (Post 15081306)
This is normal operation of the DSC system. Please refer to page 19 in your owners manual.

Very true, however I've been taking this same road to work and never the issue until today

FastHackem 01-21-2013 01:16 PM

There are several things that can affect the DSC senstitivity. Start with your alignment and then report back. A proper alignment is crucial for the system to work correctly. Be sure the shop can re-calibrate the steering angle sensor as well. If they can't find a place that can.

jcns 01-21-2013 01:19 PM

could be a number of things
how are the tires? could be going bald causing slip. Check front and rear tires
is it colder now than before? Tires could be harder due to lower temps, hence less grip
Could be alignment related, if your alignment is really off.
tire pressure? A leaking/low pressure tire, will show lower speed than the rest and going around the corner this could meet/exceed the abs/dsc treshold activating the system.

limpiabota809 01-21-2013 01:27 PM

Getting alignment done tomorrow will report then,

Will check tire pressure on my break they do seem lower than normal but not much maybe 35, definitely has gotten colder so I could see where that would play a role.

Solidjake 01-21-2013 01:39 PM

It's normal. My car does the same on certain corners on my way to work.

HacksawMark 01-21-2013 01:44 PM

What ever the reason is, it sounds like it's working the way it's designed to.

SK8URDEAD 01-21-2013 01:54 PM


Originally Posted by hacksawmark (Post 15081397)
What ever the reason is, it sounds like it's working the way it's designed to.

agreed, but mine is turned off all the time :D

TArse 01-21-2013 02:02 PM

do you guys race to work?

SK8URDEAD 01-21-2013 02:07 PM


Originally Posted by TArse (Post 15081448)
do you guys race to work?

i live on a base :P speed limit is 25mph buttt since im in cali and no one knows how to drive here compared to tx... i do keep up with them and go 75+on the highway.... i swear going back home in a few months i'll feel like im driving super slow haha.

Hovs13 01-21-2013 02:34 PM

Mine did the same. I would go around a corner and dsc would kick in where it didn't during prior drives. found out my rear shocks needed replacement.

BMWCaptain 01-21-2013 05:39 PM

check your RCABs. When they get worn, they can contribute to dsc light coming on when covering.

jakksfor20 01-21-2013 07:11 PM

I had the same thing happen after getting my rear tires replaced with new ones. I dealt with it for a week and couldn't get over the pulsing in the corners (more pronounced to the left). Didn't have any issues before that, so I went ahead and had the fronts replaced. Problem fixed. If the DSC sees too big of a difference between rotation front to rear is what I determined.

limpiabota809 01-22-2013 08:00 PM

Ok, so I checked the tire pressure it was a tad low around 30 on the rears...I put some air to get them to 38 and I went for a drive and couldn't recreate the issue

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