Hello i have drama with one bmw e60 530xd 2006 sedan only with the ecu dont have a comunication all fuse chek ok- i thing there is something with the pover pins becouse i dont power one of he big cables to computer when i try to read it ecu on the bench there is no problem i can read it do you have any idea not is the blue reley is okey is is posible to be the some of kbm module or kgm module theydont give power to ecu check all fuses 2 times but there is nothing do you have from motor how goes the wire hardens ror can you bee a sooo good to give me advaisse thannks alot the customer say its after bad bateri total batery end