Siemens/Continental MSD8x 0049ZC0I900SST7X4 ECU tuning files ECU BMW E70/E1 4.4 Turbo 2009 Turbo-Petrol 4.4 555.0HP / 408.2KW Siemens/Continental MSD8x 0049ZC0I900SST7X4 ecu tuning file.