Audi S4 3.0 TFSi (Supercharged) Tuned in Bedfordshire.

Standard power: 333BHP / 440NM.
Tuned: 400BHP / 520NM.
Gains: +67BHP / +80NM.

Whilst tuning this, we noticed the gearbox was a bit “slow” to change gear. So, we tuned the gearbox. This massively improved shift times, driveability and lifted the limits to ensure the gearbox let the engine deliver full power.

SM Tuning
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