Audi RS4 2.9 TFSI tuned in Southampton, Hampshire

Sean McGarry • April 19, 2023

Audi RS4 2.9 TFSI tuned in Southampton, Hampshire

I love tuning these cars. This one was no exception. It was simply stunning! The midrange torque gains are phenomenal. One of the small things that lets these down during tuning is the intake temperatures climbing. This one went from 21c to 54c during data logging. Luckily though, timing pull was marginal at around 0.75-1.5 degrees max at the highest point. This one was tuned for a full engine and gearbox package.


Engine gains were as follows:


Standard: 450BHP / 600NM.

SM Tuned: 510BHP / 750NM.

Gains: +60BHP / +150NM.


Huge gains in BHP and torque!


The AL552 Gearbox tuning consisted of:


- Higher Gearbox Torque Limits

- Faster Gear Changes

- Improved Acceleration

- Faster 0-60 Time

- Higher Gearbox RPM Limits

- Higher Gear Change RPM's

- And More!


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