With power class MEVD17.2.8 331kw 450hp 650Nm N63 397kw 540hp 730Nm Alpina N63 412kw 560hp 680Nm M sport S63 423kw 575hp 680Nm M sport S63
MEVD17.2.H 331kw 450hp 650Nm N63 441kw 600hp 800Nm Alpina N63 412kw 560hp 750Nm M sport S63 423kw 575hp 750Nm M sport S63
MEVD17.2.8 this relates to the generation of the Bosch X17 ECU Based on the TriCore TC1797 processor Internal flash memory 4MB and 64kb internal Eeprom
OBD Mode - Virtual Reading Server - Write Only Calibration Area
Bench Mode - You Don't need to open your ECU - Full Reading & Writing
Boot & BSL Mode - You need to open the ECU - Full Reading & Writing