I fixed it. changed the eboot and now its works fine. Modded eboot from internal. Rebug 4.21.2. MultiMan with BD Mirror and disc in the drive.
And here is the modded eboot: http://rghost.net/49087169
Remote Play works right up till you get in the car then it crashes.
Also here is a FLASHBACK HD - FIX by FUGAZI: FlashbackHD_US_FIX421_byFUGAZI.rar (NPUB31265_FLASHBACK_HD_FIX_421.pkg - 12.79 MB) / Flashback.pkg (1.94 GB)