Siemens MSD8x 0049ZC0I900SSO7X4 ECU tuning files ECU BMW E70/E71 M 4.4 Turbo 2011 Turbo-Petrol 4.4 555.0HP / 408.2KW Siemens MSD8x 0049ZC0I900SSO7X4 ecu tuning file.