Fgtech Galletto V54 solved BMW X5 V8 4.8i ecu no start problem
I have one big problem with BMW X5 V8 4.8i ecu, the car no start. Starter relay and fuel pump relay turn on-turn off-turn on-turn off-turn on-turn off (intermittence synchronize between two relays).Battery is Ok. Ground connections from engine is OK. Strange it fails. OBD2 scan tool not recognize.
ECU chip tuning tool I use:
Pin out for this BoschECU...
looking from the left: as the above pictures...
pin_7 and 8 +12v
Read points with BDM system. (Read with Fgtech galletto
v54) For security verify correctly ground pin position.