Audi RS4 B9 RS5 F5 Adaptive Cruise Control ACC Retrofit Kit
The Audi RS4 B9 RS5 F5 Adaptive Cruise Control Retrofit Kit allows owners of Audi high-performance B9 platform models to upgrade their vehicles with an original-style intelligent cruise control system.
Designed specifically for:
- Audi RS4 B9 (2016-2025)
- Audi RS5 F5(2017-2025)
from 2016-2025, this retrofit kit integrates with the vehicle’s existing driver assistance system and provides advanced ACC functionality.
Unlike traditional cruise control, Audi Adaptive Cruise Control uses front radar sensors to monitor traffic conditions. The system automatically adjusts vehicle speed, maintains a preset following distance, and reduces driver fatigue during highway driving.
This complete package includes ACC radar sensors, ACC control stalk, wiring harness and supporting installation components. After installation, professional coding and calibration are required to activate the system.
Features
OEM Adaptive Cruise Control Function
Upgrade your Audi RS4 or RS5 with factory-level ACC functionality.
The system provides:
- Automatic speed adjustment
- Vehicle distance control
- Automatic braking assistance
- Automatic acceleration after traffic clears
- Adjustable following distance settings
Designed For Audi RS Performance Models
Specially developed for Audi RS4 B9 and RS5 F5 platforms.
Maintain:
- Original Audi driving experience
- Factory-style integration
- OEM appearance
- Full vehicle communication
Compatible Models
Audi RS4 2016-2025
Audi RS5 2017-2025
Suitable for vehicles with lane keeping cameras!
Packaging Content:
2 * Fog light grille (Some vehicles have fog light frames that support ACC)
1 * Adaptive cruise control lever supporting lane keeping (with or without heated steering wheel)
2 * ACC radar sensor
1 * Wire harness
Some vehicles already have ACC-compatible fog grille frames. Please select the correct option according to your vehicle configuration
Installation & Coding
Professional installation is recommended.
Installation Steps
- Remove front bumper components
- Install ACC radar sensors
- Install ACC control switch
- Connect retrofit wiring harness
- Perform vehicle coding
- Complete radar calibration
- Test ACC operation
Required Diagnostic Equipment
Recommended tools:
- ODIS-S
- ODIS-E
- VAS 6154A
- VAS 5054A
- DOIP diagnostic interface
Coding Requirements
After installation, Audi ACC retrofit requires:
- Module coding
- Adaptation
- Component Protection removal (if required)
- Radar calibration
Some Audi control modules are protected by Component Protection (CP). Removal requires professional diagnostic equipment and online authorization.
Why Upgrade Audi RS4 / RS5 With ACC?
Enjoy More Comfortable Highway Driving
ACC automatically controls speed and distance, reducing fatigue during long-distance driving.
Improve Driving Safety
Radar-based distance monitoring helps maintain a safer following distance from vehicles ahead.
Keep OEM Factory Quality
Uses Audi-compatible components while maintaining original vehicle functions and appearance.
Enhance RS Vehicle Equipment Level
Add an advanced driver assistance feature normally installed as a factory option.
FAQ
Q1: Does this ACC kit fit Audi RS4 B9 and RS5 F5?
Yes. This kit is designed for Audi RS4 B9 (8W) and RS5 F5 models from 2017-2024.
Q2: Does my car need Lane Assist before installing ACC?
The vehicle should have compatible lane keeping camera hardware. VIN checking is recommended before purchase.
Q3: Is coding required after installation?
Yes. ACC requires coding, adaptation and radar calibration with professional Audi diagnostic equipment.
Q4: Can Audi dealers activate this retrofit?
Some coding and component protection procedures require official Audi diagnostic authorization.
Q5: Does this include radar sensors?
Yes. The complete package includes two ACC radar sensors.
Q6: Can I install ACC without replacing the bumper?
Depending on the vehicle configuration, ACC fog grille frames may be required for correct radar installation.
Technical specifications:
Volkswagen and Audi Parts Protection and Coding Notice:
For some Volkswagen and Audi control modules, component protection (CP) and coding need to be removed after installation.
Removing component protection (CP) and encoding involves advanced online authorization and firmware /EEPROM write procedures, which must be performed using the official factory diagnostic system.
By purchasing this product, the customer explicitly acknowledges and agrees:
1. Removing component protection (CP) and encoding poses irreversible risks.
2. Incorrect programs, software mismatch, unstable voltage, session interruption or unauthorized tools may all cause the module to fail to be recognized, resulting in communication interruption or the module being unusable.
3. The Seller shall not be held responsible for any damage, malfunction, loss of communication or failure resulting from the removal of component protection (CP), coding, programming or vehicle system adaptation by the customer or any third party (including Audi dealers, workshops, modifiers or mechanics).
4. Any malfunction that occurs after the removal of component protection (CP) and coding is regarded as third-party technical damage after delivery and does not constitute a manufacturing defect. It does not meet the conditions for return, refund or replacement.
5. Special Note: If the customer requests the seller to remotely flash data and code for product coding and to remove component protection, please contact in advance. The remote cost will be calculated separately (the seller is responsible for any damage caused by this remote flashing of data and code).











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