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1st FULL '02 ACS 330i
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563 Posts
Discussion Starter · #1 ·
Question about stability and traction control.

Is it that important that we match overall rolling diameters from the front and rear, since we have any ASC/DSC? Does the ASC typically work on wheel speed differences? Will having different overall diameters front and rear by as much as 1cm trip an error code, which would cause ABS to shut down along with other safety features? What % difference would the ECU allow before spitting out an error?
 

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If the front and rear are different diameters, I'm pretty sure the cruise control won't work anymore. Your car is going to think that your fronts are spinning.
 
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