This means you get a complete new part without tolerances which requires for the next 100,000 km no maintenance. At some point you will be times the rotor arm and distributor cap to replace. But because of these components, only a weak control current is running, they keep almost indefinitely. If the distributor or black paint (he's nickel), then one can hardly distinguish him from the original. A Bosch sticker makes the perfect illusion.
The ignition map is freely programmable. System requirements from Windows XP. 2 characteristic curves available while driving. This optimization is testable, for example, with modifications to the engine or Tuning.