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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Map reset

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      08-23-2023, 06:37 PM   #1
iwanttopost
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Drives: M5 F90
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Map reset

Alright all!

Having this weird issue with MHD. Before I go through the process of reporting it to them, I will check here first in case its 'normal'.

Basically, it appears the map is randomly reverting back to the stock tune without any reason. I havent even plugged in to the ODB and the map has disappeared.

Its like after so many ignition cycles the car reverts back to stock. Or its somehow software updating over the air and wiping the tune.

It doesnt seem normal to me. I have to do a full LONG write back to the ECU through the MHD app.

This has happened twice over the last 6 months now.

2018 Pre LCI non comp.
Appreciate 0
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