Frequently Asked Questions
Everything you need to know about this head unit
Connect the single RCA cable with the yellow plug (included in your package) to extend your Bluetooth signal. This cable doubles as both a camera input AND a Bluetooth/WiFi antenna extension. The two small blue wires attached are antenna boosters that significantly improve connection stability. This simple connection takes 30 seconds and resolves 90% of Bluetooth issues. Make sure it's firmly connected even if you're not using a rear camera.
Try these proven solutions:
1. Quick Fix: Settings → Apps → Z-Link → Disable → Enable → Open (repeat each use)
2. Check Cables: Use the data/charge USB cable (not charge-only)
3. Bluetooth Setting: Disconnect all other Bluetooth connections - CarPlay needs exclusive access
4. Factory Reset Z-Link: Find the pink 'RESET' app, restart, reconnect Bluetooth, then try Z-Link
5. Sound Issues: Switch audio source to 'AUX' or 'USB/AUX' in your vehicle menu
Most issues are resolved with step 1 or 3!
The processor differs between models: The 2/32GB has a 4-Core processor, while 4/64GB and 8/128GB models feature the powerful 8-Core Cortex-A55 processor. Combined with RAM differences: The 2/32GB model with its 4-Core processor and limited RAM may experience slowdowns with heavy multitasking. The 4/64GB with 8-Core provides smooth performance for most users - no lag, seamless app switching, and enough storage for maps and music. The 8/128GB with 8-Core offers maximum performance with its generous RAM allowing unlimited multitasking and massive storage for extensive media libraries. Think of RAM like your desk space - more RAM means you can have more apps open simultaneously without slowing down.
Absolutely normal! These head units are complete replacement systems with their own GPS antenna, microphone, and Bluetooth module. Your factory connectors for these features won't be needed anymore. The important connections are: main power harness, speaker outputs, and the yellow RCA cable (even if not using a camera - it extends Bluetooth range). Any leftover factory plugs can be safely tucked away. If you're unsure about any connection, our support team is here 7 days a week.
Z-Link updates are handled through system firmware updates. Go to Settings → System → System Update. If an update is available, download it to a USB drive (FAT32 format) and install. Important: Never download Z-Link APKs from unofficial sources - they won't work and may cause issues. If you're having compatibility issues with newer iOS versions, the disable/enable workaround (Settings → Apps → Z-Link) usually resolves them while waiting for official updates.
Consider your usage:
• 2/32GB (4-Core): Budget option - fine for basic use, but may lag with multiple apps due to 4-Core processor and limited RAM
• 4/64GB (8-Core): Sweet spot - smooth Android Auto/CarPlay, multitasking, and ample storage
• 8/128GB (8-Core): Premium choice - unlimited multitasking, massive storage, future-proof for years
Most customers choose 4/64GB for the perfect balance of performance and value. The extra RAM makes a huge difference in daily smoothness!
The yellow RCA cable's blue antenna wires also boost WiFi signal! Make sure this cable is connected. Additionally, try these tips: Position the blue antenna wires away from metal surfaces, check that your phone's hotspot is set to 2.4GHz (not 5GHz) for better range, and ensure the head unit's WiFi sleep policy is set to 'Never' in Settings → WiFi → Advanced. For best performance with wireless CarPlay, keep your phone within 1-2 meters of the head unit.
Go to Settings → Sound → Equalizer and adjust to your preference. For more volume, increase the 'Loudness' setting. The 4/64GB and 8/128GB models have superior audio chips that provide cleaner, louder sound. If you have an amplifier, use the RCA outputs for best quality. Also check Settings → Factory Settings (password usually 126) → Audio settings for additional gain controls. Remember: higher-spec models (4GB+) include premium audio components for noticeably better sound.
Yes! Most vehicles work instantly. If not, use the steering wheel learning app: tap the steering wheel icon, press each button on your wheel, and assign functions. For newer vehicles with CANbus, we provide CANbus modules for automatic setup. Some vehicles may need the Key1/Key2 wires connected (usually included in our harness). If you're having trouble, let us know your exact vehicle model and we'll provide specific instructions.
We offer a 30-day return policy. If it doesn't fit or there's a compatibility issue, we'll work with you to resolve it. If you change your mind, a 20% restocking fee applies. Our team verifies compatibility before shipping to minimize issues. We provide installation support 7 days a week to help resolve any problems. With our 3-year warranty and Australian-based support, you can purchase with confidence. Full details in our Refund Policy.
Understanding the progression up to the Audi A6 C5 series requires traveling deeper through its distinguished heritage:
Historical Overview of the Audi A6 Lineage:
Audi 100 (1968-1994):
Initially launched as the Audi 100 in 1968, the lineage commenced as a spacious yet economically focused vehicle designed to provide comfortable travel for families and individuals alike. With clean, restrained lines and highly commendable fuel economy, it gained significant popularity in the European market, laying the initial foundation for later successes.
C4 Generation – Audi 100 to Audi A6 transition (1991-1997):
With the Audi 100 C4 emerging in the early 1990s, the platform transitioned gradually toward luxury and technological sophistication. In 1994, this model was officially renamed "Audi A6," signaling a decisive step toward Audi’s modern identity and upscale market positioning. Key selling points included available quattro all-wheel-drive, comfortable interiors, and advanced build quality, achieving strong global recognition.
C5 Generation (1997-2004) - A new sophistication:
By introducing the Audi A6 C5 in 1997, Audi firmly established itself within the executive luxury sedan segment. Designed under Peter Schreyer's direction, the C5 featured an assertively rounded exterior, streamlined with an emphasis on aerodynamics and refinement. The elegant overall design, complemented by clean and functional interiors, quickly resonated with international markets, from Europe to North America, and stretching out towards Australia and Asia.
The A6 C5 distinguished itself with multiple renowned configurations, including an estate variant branded as the Avant, sought-after especially among European audiences for its blend of versatility, handling, and grace. Among memorable models within the range, the performance-oriented S6, introduced as both sedan and Avant variants, underscored Audi’s dedication to exciting driving dynamics, powered by bold V8 engines delivering impressive acceleration, torque, and enjoyable ride quality. Perhaps most prominent was the RS6—launched in 2002—featuring a twin-turbocharged V8, quattro drivetrain, and outstanding road-holding capabilities, cementing the reputation of this generation as enthusiastically appreciated among driving aficionados and collectors alike.
This era marked a significant technological advancement; notable safety features on C5 models included electronic stability control (ESP), traction control, and comprehensive airbags systems, reinforcing the sense of dependable security necessary to sustain consumer confidence. Additionally, careful engineering afforded by the galvanized steel chassis ensured durability against corrosion, significantly influencing the long-term satisfaction of A6 ownership.
Thoughtful Infotainment Integration from Brummstadt:
Today, the value, sophistication, and enduring appeal of the Audi A6 C5 generation beckons drivers to continue enjoying their vehicles—a task increasingly supported through thoughtful technology upgrades. Many original A6 units lack essential modern connectivity and interactive navigation features expected today. Recognizing these needs, Brummstadt offers tailored solutions, specifically integrated infotainment systems, thoughtfully designed to elegantly fit within Audi A6 C5 dashboards without disrupting its refined cabin aesthetics.
Brummstadt’s premium head unit seamlessly supports widely employed smartphone connectivity platforms, including wired and wireless Apple CarPlay and Android Auto. Thus, this ensures reliable navigation through popular mapping apps such as Google Maps, Apple Maps, and WAZE. Consider a scenario: a driver enjoys a leisurely evening dining out with family before spontaneously deciding to visit a friend's house. The destination, entered privately via the mobile's mapping application, transfers intuitively to the modern infotainment unit via CarPlay or Android Auto, illuminating a clear navigation path, enabling a smooth departure and arrival without stress or uncertainty.
Beyond mere navigation, options include upgrading the head unit further through integration with 1080p high-definition front and rear cameras, granting substantial improvements in driver visibility and valuable video recording capacities to enhance practicality and protection. Additionally, distinct entertainment functions are possible: passengers delight in relaxed gaming experiences enabled by the head unit’s USB compatibility—controllers simply connected, making longer journeys more enjoyable and interactive.
Equally valuable are the integrated intelligent voice command functions. With support for familiar assistants, like Apple's Siri or Google Assistant, drivers can effortlessly manage messaging, calls, music streaming, and navigational directions without distracting attention from the road. Furthermore, connecting voice control capabilities with home smart devices allows drivers to interact remotely with home systems. For instance, a simple spoken command via voice assistant, "Hey Siri! Turn on the porch lights," can directly communicate with the home's connected lighting system, ensuring convenience and safety when returning late—even before the driver's arrival.
Advantages and Driving Experience Offered by the A6 C5:
From its original launch, the Audi A6 C5 has deeply resonated due to a carefully balanced approach, focusing equally on commanding performance, purposeful comfort, and innovative technology. Its renowned quattro instantaneously provides composed and confident handling under diverse road conditions, perfectly balanced by comfortable yet dynamically-focused suspension tuning. Engine selections across four, six, and higher-powered eight-cylinder offerings guaranteed that responsiveness and refinement were reliably attainable, serving various owner preferences, whether aimed toward spirited driving or luxurious cruising.
The elegantly crafted interiors echoed solid build quality accentuated by high-quality materials, accommodating long journeys with minimized fatigue. Ergonomic clarity and solid control responses underscored a distinctly reassuring feel behind the wheel. Thus, throughout an ownership span stretching many years, the A6 C5 admirably reflects Audi’s deep dedication to thoughtfully engineered, reliable, and satisfying luxury vehicle experiences.
Integrating upgraded infotainment systems, such as that efficiently provided by Brummstadt’s head unit, directly refines these inherent strengths further, providing crucial technological advancements supportive of contemporary driving needs. Upgraded connectivity, entertainment, and particularly navigation and safety are achieved, ensuring continued satisfaction and emotional connection. Ultimately, these enhancements allow the Audi A6 C5 to sustain both desirability and relevancy in contemporary motoring, marking it—well beyond original expectations—as a lasting reflection of automotive sophistication, practical performance, and timeless quality.