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A4 B9 mk2

The increase in the maximum power of the engines is carried out exclusively on request for competitive use in closed roads or circuits. it is not allowed to use our files to travel on open roads and with vehicles that have undergone mechanical tampering or that don’t respect the legal limits established in the art. 78, 79 of the road traffic code.

DISCLAIMER: BIESSE s.n.c. disclaims any liability of the vehicles outside the limits set by the laws mentioned above and is not responsible for any manufacturer’s warranty problems. our works do not include a guarantee on the mechanical parts of the vehicle.