Just got to test the file I tuned. Pulled twice, the first pull is in 2nd gear, the second pull is in 3rd gear.
They both have overboost issue but the second pull is much more worse, EngineLoad behave like wild horses..
I know it's tuned completely shit but may I know what goes wrong? Map edited: LAMFA KFMIRL KFMIOP LDRXN KFLDHBN KFLBTS
Log:
 fzabg_w_0     fzabg_w_1     fzabg_w_2     fzabg_w_3     lamsbg_w      lamsoni_w     ldrlms_w      ldrlts_w      ldtvm         misol_w       mrfa_w        mshfm_w       nmot          plsol_w       pu            pvdkds_w      rl            rlmax_w       rlmx_w        rlsol_w       tans          ti_b1         tmot          wkr_0         wkr_1         wkr_2         wkr_3         wkrm          wped          zwist         B_ldr     

CountMisfireCyl1   CountMisfireCyl4   CountMisfireCyl2   CountMisfireCyl3   AirFuelRatioDesired   AirFuelRatioCurrent   ChargeLimitEngineProtection   ChargeLimitTurboProtection   WastegateDutyCycle      DriverRequestedRelTorque   MassAirFlow   EngineSpeed   BoostPressureDesired   BaroPressure   BoostPressureActual   EngineLoad   EngineLoadCorrected   EngineLoadSpecified   EngineLoadRequested   IntakeAirTemperature   FuelInjectorOnTime   CoolantTemperature   IgnRetardKnockControlCyl1   IgnRetardKnockControlCyl4   IgnRetardKnockControlCyl2   IgnRetardKnockControlCyl3   AvgIgnitionRetardKnockControl   AccelPedalPosition   IgnitionTimingAngle   

That sample rate is awful.

Anyway, looks like you have a blown wg line. the only reason you haven't grenaded your motor is throttle cut

Checked wastegate, but the engine bay is too narrow, only replugged lines and connectors. Also, changed KFLDIMX, the original value is very aggressive, 95% is used all across the low rpm entries. I copied A4 B5's data and slightly changed them. Overboost issue temporarily solved, but needs more runs.