Denso FR8B 18 881 K need from original file

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Hi mates. I need from original file from Denso ECU with number FR8B 18 881 K. I have one Mazda 3 2.0 143 Hp with bad remap maybe ( black smoke when accelerate ). Everything is checked, the EGR, injectors, turbo and etc. The car have removed DPF and maybe bad remap.

Thanks in advance.

Best regards.