hello i have a 2017 f30 b58 comes without dme . i bought dme from ebay same part number and harware , i unlocked to FEM and get isn from FEM . i wrote ISN to used dme and installed back to car. i did programming FEM and USED DME to vehicle from OBD with autohex. car cracks but no start . i have a fault code 1b2008 ews response telegram implausible .
i checked DME and FEM isn . isn numbers ara same . whats wrong with it ? Maybe bad FEM ?
thanks