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BMW E61 525d Turbo actuator problem
08-12-2017, 10:32 AM
Post: #1
BMW E61 525d Turbo actuator problem
Hello, i have problem with BMW e60 525d 177hp. After 5 min of driving system reports error 3f57 - Turbo actuator mechanism fault and goes limp mode. Car came to me with rebuild turbo, but i sent complete turbo for another opinion and they rebuild it once again and change turbo actuator worm gear. Car behave exactly same so i swap old turbo actuator for another 100% working one and same problem. Things i changed so far - Turbo actuator 3 different ones, map sensor, maf sensor wiring harnes test, DDE update with latest SW, dpf removal. The mechanic who rebuild the turbo assures me that job is 100% done and i have no right to blame the turbo itself. Looking for help and advice, i am desperate the car stood for 1 week and i still can't return it to the customer.
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08-12-2017, 12:12 PM
Post: #2
RE: BMW E61 525d Turbo actuator problem
Did you check the plug itself? Sometimes the contacts are not well. What about the wiring and the power supply. Very rare case but also could be ECU/driver. But I would check wiring and connections first.
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