Audi S4 B5 V2.4 1.46 Apr 2026

The terminology typically refers to a specific Audi S4 (B5 generation) modified with a 2.4L engine head (from a naturally aspirated V6) and a performance tune —likely version 1.46 of a specific tuner's software (such as from specialized European tuning houses). 1. Platform Overview: Audi S4 (B5)

The B5 S4 (produced roughly 1997–2002) is a legendary performance sedan known for its .

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