Selected car
Audi A4 (B9) S4 TDI
2967 ccm - 255 kW (347 HK) - 700 Nm
Depending on which engine you have in your car, you have different tuning box alternatives. You have 2 alternatives for your Audi A4 (B9) S4 TDI. Please confirm that you have selected the correct engine from the vehicle list. These are the choices for S4 TDI with 347 HP. The product images are illustrative and colors may vary from actual product.
Choose chip type. The price includes customs, taxes and fees, no surprises!
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Alternative 1

Ultimate SENT
Special chip and software for cars with SENT technology.
EUR €439

Effect with chip
436 HP ( +26%)
436 HP ( +26%)
Torque with chip
855 Nm ( +22%)
855 Nm ( +22%)
Alternative 2

RXT Ultimate SENT
Set of both Ultimate SENT and RXT Power Booster. Maximum effect and fuel savings controlled from your drivers seat.
EUR €529

Effect with chip
442 HP ( +28%)
442 HP ( +28%)
Torque with chip
869 Nm ( +24%)
869 Nm ( +24%)
Product comparison
Ultimate SENT![]() ![]() ![]() i ![]() i ![]() i ![]() i ![]() i ![]() ![]() ![]() ![]() i | RXT Ultimate SENT![]() ![]() ![]() i ![]() i ![]() i ![]() i ![]() i ![]() i ![]() ![]() ![]() ![]() i |
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