There is no K03 sport, just basically an uptuned chip.
The B6 doesn't use the same 1.8T fyi, it use an AMB and one other motor I believe. Like I said just stirring the pot.There is no K03 sport, just basically an uptuned chip.
The B6 A4 gets the same power as the b5.5 1.8T and uses the same turbo. Ausizine isn't exactly where I'd trust for technical info.
The B6 A4 does have some differences in the engine, however, it uses the same turbo.