Quote:
Originally Posted by 808AWD325xi
You can use WinKFP expert mode to downgrade your DME to whichever software revision you wish.
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I would highly suggest against actually downgrading. Updating the DME to the latest version and then performing the wastegate conversion in ISTA /P is the proper and effective way to solve the issue.
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BMW GT1 (INPA, DIS, WinKFP, ect..), ISTA/P & /D is up and running! PM me if you want to stop by and code your car.