Purchase directly from bimmertuningtoolsView Product Siemens DME MS41.0, MS41.1, MS41.2 Flash Tool for M52(non-tu) and S52 Engines. Partial flashes in ~10 seconds Full flashes (program/tune section) in 1 minute-Partial reads in seconds Full reads in ~30 seconds All checksums including program section are automatically corrected Software patching is automatically performed when converting between software versions ms41.0/41.1/41.2 Diagnostic Trouble Codes reading and clearing Adaptations to be reading and resetting Live data viewing and logging EWS Delete Option Requires FT232RL chipset cable. https://www.ebay.com/itm/284709097537 BimmerTuningTools is a recommended MSP developer. All purchases, software download, activation and support are dealt with on the BTT website.