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      05-22-2023, 02:28 PM   #14
boldorider4
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Drives: BMW 220i F22
Join Date: Mar 2023
Location: Berlin, Germany

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Quote:
Originally Posted by shawnsheridan View Post
Flash time varies by ECU, and the firmware itself. Can be 2 minutes on small ECU or up to 1 hour in case of Head Unit, assuming HTTP Protocol. UDS would be way slower.

No, motor can NOT be running. Flash puts car in Transport Mode, which would kill motor, cause flash to crash, and possible ECU firmware corruption.
Thanks for the info! How long does flashing take on ICMQ and FEM_BODY, FEM_GW, KOMBI?
Appreciate 0