engine knock issue

[lowzero]

hey guys!recently i flashed bm3 for my 535gt.i found that theres some knock in my engine.following month i cleaned the Carbon deposits in cylinders，and replaced the spark plugs with original parts.but it seem useless，there is still knock in the datelog. how can i fix it???

here are 2 logs
https://www.bootmod3.net/log?id=671f...32f364f8fdab87
https://www.bootmod3.net/log?id=672a...a92c3aa60407fd

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full exhaust，kn high flow rate filter and upgrade intercooler are equipped

[Tejas1836]

Remove the flash???

[lowzero]

Originally Posted by Tejas1836

Remove the flash???

not working still knock in stock tune

[John H.]

Possible mechanical issue/s. I would advise to have it inspected by a technician. Any codes?

[lowzero]

Originally Posted by John H.

Possible mechanical issue/s. I would advise to have it inspected by a technician. Any codes?

inspect which part？no code exists.