BMW M4 F82 vs Porsche GT3 RS & BMW M3 E92 at Grattan Raceway | Fun Track Day Highlight

Great day at Grattan Raceway with Open Track.
Porsche GT3 RS unknown mods.
BMW M3 E92 race spec, de-tuned hp, racing slicks.
BMW M4 F82
Squared 275 Apex EC-7 / FALKEN AZENIS RT660
Front adjustable camber plates
H&R lowering springs
BM3 Stage 2 tune
POV: GoPro Hero 8 Black