Quote:
Originally Posted by BulkBen
Hey Guys (Studio RSR) can you provide some more info on the reprogramming of the diffs required when running a lowered G80 at the track?
This seems like it will be a massive hindrance to people, as most people who track will run lowered cars, anyone running coilovers will obviously have the same issue.
I'm really surprised there hasn't been more talk about it. I'm looking to move into an M3 and will be hitting the straight away, so want to know there is an easy remote solution for this from the get go.
I'm based in Aus, so hopefully it's as simple as adding some new codes.
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It was stressful at first, but that's because we were the first to come across the issue and didn't know what the solution was until trying a handful of potential fixes.
The issue doesn't deal with the differential itself. The M differential stops itself from working due to the "Chassis Stabilization" errors that come up as a result of lowering our cars (with either springs, Coilovers, etc.)
It is a bit surprising that it hasn't been discussed more, but we think it's because people running springs or Coilovers currently have been lucky enough not to go outside of the functional range of the ride height sensors even though the set point has been altered from the lowering. (People aren't driving their cars hard enough
)
With the increased sensitivity of the programming with our newer cars, now even just modifying with lowering springs requires a set point re-calibration. Here's an example of one we did trackside at Global Time Attack:
