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Chip tuning for Audi A4 (B9) S4 TDI 341hp
Chiptuning Audi A4 (B9) S4 TDI 341 HP
| Series | Tuning | |
|---|---|---|
| Engine power | 251kW / 341 HP | 271kW / 369 HP |
| Torque | 700Nm | 750Nm |
Experience the change
The world's smallest chip tuning box takes your Audi A4 (B9) S4 TDI 341 HP to a new performance level.
✔ Immediately more power – better acceleration & traction
✔ Easy installation – no workshop required, you can fit it yourself in just a few minutes
✔ Plug & Play – ready to use straight away!
✔ 100% safe & engine-friendly – developed in Germany, with engine warranty
✔ No risk – 30-day money-back guarantee
Thanks to the child's play installation, no specialist knowledge is required. Simply plug in & drive off!
✔ Easy installation – no workshop required, you can fit it yourself in just a few minutes
✔ Plug & Play – ready to use straight away!
✔ 100% safe & engine-friendly – developed in Germany, with engine warranty
✔ No risk – 30-day money-back guarantee
Thanks to the child's play installation, no specialist knowledge is required. Simply plug in & drive off!
Order now & experience more performance!
The world's smallest tuning box for your: Audi A4 (B9)
Thanks to its compact design, our tuning box can be fitted directly under the engine cover of your S4 TDI with 341 HP. This reduces installation effort and protects from prying eyes.
Most competitor products separate device and wiring harness, which makes installation tricky and more obvious upon inspection.
The micro-chip tuner is so small that it can be installed directly under the engine cover. It can be easily removed and is not visible if needed.
FAQ for the Audi A4 (B9)
1. How long does the optimisation take?
About 10 minutes.
2. Can the chip tuning be reversed?
Yes, it is 100% reversible and leaves no trace in the ECU.
3. How much power gain?
369 HP and 750 Nm.
4. Is more power possible?
It's tuned perfectly for durability.
5. Engine lifespan?
We’ve had taxis go over 1 million km with our box (with maintenance).
This is how easy it is to install the Audi
Disconnect plug fromS4 TDI
341 HP
pressure sensor
Plug in micro-chiptuningto pressure sensor on
S4 TDI 341 HP
Reconnect plugto micro-chiptuning
Our sample videos
On our YouTube channel, we show how easy it is to use our chip tuning box. You’ll also get detailed instructions for your Audi.
More power, less consumption
By installing our micro-chip tuning control unit, your S4 TDI 341 HP engine becomes more efficient. This means less fuel consumption and more torque – 750 Nm – especially at low RPMs.
This lets you drive in a higher gear at lower RPMs, reducing fuel use in both manual and automatic vehicles.
The combo of higher efficiency and lower revs can save up to 15% fuel.
Your upgrade pays for itself quickly with Audi A4 (B9) S4 TDI 341HP.
Included: 12-month engine warranty
The micro-chip tuning box includes extended warranty for engine, gearbox, and differential. This extra protection for your Audi A4 (B9) S4 TDI 341HP is totally free.
We extend consumer rights by offering additional product warranty against damage to engine, gearbox, and differential.
Chip tuning Audi A4 (B9) S4 TDI 341 hp Experiences
Increased performance through tuning Chip tuning Audi A4 (B9) S4 TDI 251kW/341hp
| Marke | Modell | HSN/TSN | Baujahr | Plattform | Typ | Motor |
|---|---|---|---|---|---|---|
| Audi | A4 | 0588|BXV | 2021/01-2025/12 | (B9) | S4 TDI Mild Hybrid quattro | 2967 ccm, 251 KW, 341 PS |
| Audi | A4 Avant | 0588|BXU | 2021/01-2025/12 | (B9) | S4 TDI Mild Hybrid quattro | 2967 ccm, 251 KW, 341 PS |