BMW KSD (Kaufmännische Service Daten, i.e. Commercial Service Data) is a collection of invaluable data for determining labor hours, inspection sheets and general service methods. There's also information about wheels and rims for the various models.
It contains the full catalogue of flat rates, defect codes, service & repair packages, wheel/tyre combinations, snow chain. Allows vehicle identification by the VIN or by model selection. It's entirely in ENGLISH (but you can use it also in German, French, Spanish, Portughese, Italian, Dutch, Swedish, Norwegian, Danish, Finnish, Russian, Czech, Sloven, Greek, Turkish, Japanese, Korean, Chinese, Indonesian ).