Customer reviews
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”Very satisfied. For the first time i'm almost down to 0.5L/10km. And the car lost traction when i accelerated in first gear!“

– Alfa Gulietta

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”Went home with 265HP, came with 224, and saving over 10% fuel as well!“

– Mercedes Viano

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”Came with 116HP. Drove home with 153, and also about 30% more Nm from the bottom.“

– Toyota Previa

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”Hello. New fuel record 400km drive without even trying. Down from 0,54 to 0,5 per 10km. Much more comfortable driving with less shifting and better low end torque. Not to mention it's awesome to feel that extra kick when stepping on it! Thanks for job well done!“

– Berlingo HDI

Find your car
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Selected car

Audi A4 RS4 (B9) 2.9 TFSI

2894 ccm - 331 kW (450 HK) - 600 Nm

Depending on which engine you have in your vehicle, you have different chip tuning choices. You have 2 choices for your Audi A4 RS4 (B9) 2.9 TFSI. Please verify that you have selected the correct engine from the vehicle list. These are the choices for RS4 (B9) 2.9 TFSI with 450 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

Ultimate SENT

Special chip and software for cars with SENT technology.

EUR €439
yes In stock
Effect with chip
570 HP ( +27%)
Torque with chip
740 Nm ( +23%)

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
yes In stock
Effect with chip
577 HP ( +28%)
Torque with chip
751 Nm ( +25%)

Product comparison

Ultimate SENT

yes On/off switch
yes World's smallest design?
yes Multiple engine connections
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yes Best processor on the market
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yes Car switch warranty (-50%)
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yes Engine warranty
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yes 100% satisfaction: 30 dager
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yes Fuel savings: 5 - 20%
yes Eco-boost program
yes Water proof
yes Motor Protection System
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RXT Ultimate SENT

yes {PatentedIntegration}
yes World's smallest design?
yes Multiple engine connections
i
yes Best processor on the market
i
yes RXT Power Booster
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yes Car switch warranty (-50%)
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yes Engine warranty
i
yes 100% satisfaction: 60 dager
i
yes Fuel savings: 5 - 20%
yes Eco-boost program
yes Water proof
yes Motor Protection System
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