Quote:
Originally Posted by daytonatrbo
I saw your post on the Facebook group. I still don't see how this could possible happen due to DSC.
1) Your spare was the correct diameter to prevent issues
2) If there was a mis-match that confused the DSC, it would simply shut itself off and give you a warning.
3) You must have been driving at high speed for a LONG time with other symptoms before the rotor simply exploded. You would feel the car pulling, you would feel firmness in the brake pedal, and if you slowed down in traffic you would smell the awful smell of burning brakes.
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1. The spare is the spare supplied with the vehicle, it's width is thinner, but the rolling diameter is the same. The tire pressure was probably a bit lower then ideal, but it did not look completely flat. Again, we had no way of checking the tire, it was a point of there journey where garages are 100km apart.
2. I'm not sure, I would expect the DSC light to come on constantly and been flashing like mad, but there was no warnings I saw on the vehicle. BMW diagnostic said a single fault was logged, but for some reason I did not see that on the iDrive or centre cluster.
3. I was driving very slowly, the day in question was rainy and over cast, there was a moderate amount of traffic but it was flowing nicely. My speed once putting the biscuit was on was only 60km/hr as I did want to check it's pressure