Designed for chip tuning of BMW vehicles with N47xx diesel engines. It is installed on:

• 1-series E81, E82, E87 and E88
• 3-series E90, E91
• X1 series E84
• X3 series E83

Supported software versions (any calibrations based on these software versions are supported):

• 73MD (P_557)
• 73MJ (P_557)
• 73RW (P_557)
• 73S4 (P_557)
• 73S7 (P_557)

More than 650 calibrations are available for modification.
The module calculates checksums when the file is saved.