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Re: '98 740il DSC light coming on (archive)
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Posted by alanK on December 31, 2001 at 08:41:20:

In Reply to: '98 740il DSC light coming on posted by Bill Daun on December 31, 2001 at 07:49:23:

Bill, Welcome to the board. Wish your entry could be under happier circumstances. Sounds like
you're doing all you can with the Dynamic Stability Control light problem. As I'm
sure you know and have been told, these are complicated cars and the DSC is a complex system based on inputs from the wheels and
the the systems that accelerate or slow them.
If the DSC light blinks on under normal driving(straight-ahead no-braking), my guess is that either the module that process all
the inputs from the sensors is bad, or it is getting spurious feedback from one of those sensors. If the dealer has replaced the main module that controls the DSC (I'm assuming there
is one and it's not a function of the main computer), and that didn't fix the problem, seems they need to start replacing the feedback sensors. If they've already done this (in 3 trips to the
dealer, I would have guessed they would),
all I can say to cheer you up is that if they replace enough parts (wheel assembly, etc.) eventually the problem will go away. Since this is at BMW's expense,(your time but their parts and labor) that may be a painstaking process.
Good luck.

I am a new BMW owner (3 months). Bought a '98 740iL w/ 40K. Very clean. Very nice. Very still under warranty. Which appears to be a good thing as I have had it to the dealer on 3 separate occassions to "fix" whatever is causing the DSC light to come on. I can not see any rhyme or reason as to when it comes on. Typically, I'm just driving on the interstate and 'blink' on comes the dsc light.

If you don't have any ideas of what might be going on technically, try and say something nice to make me feel better about BMW. I so love the car but just can't afford to be taking it to the dealer once a month- Life's to short for that.

Thanks in advance.
Bill




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