Audi S4 B5 V2.4: 1.46

These software revisions optimize fuel delivery, ignition timing, and boost pressure.

This mod is typically paired with larger aftermarket turbos (like RS4 K04s or bigger) to maximize top-end performance. 3. Performance Software (V1.46) AUDI S4 B5 V2.4 1.46

Originally rated at approximately 250 hp and 258 lb-ft of torque. These software revisions optimize fuel delivery