APR Ultralink

Mfg Part #

EM100040

NP#

APREM100040

Brand

Fits 2008 to 2026 Audi A3, A3 Quattro, A4 and 40 more models, and 3 more makes. See every vehicle

• Access the Ultralink Marketplace: Connect directly to ultralink.goapr.com and tap into 10,000+ in-house developed engine and transmission tunes—covering 140+ vehicles.
• Download & Install New Tunes: Pull the latest APR engine and transmission calibrations straight to your vehicle and install them in minutes.
• Update to New File Versions: Stay current with the latest APR software releases as they become available, ensuring your calibration always reflects APR's newest releases.
• Stage Changes & Octane Switching: Move between tune stages or switch octane maps on demand—whether you're running 93 at the pump or chasiE85 on the track.
• Adjustable Feature Configuration: Dial in launch control, torque limits, speed limiters, and exhaust sound directly through the device—full control over how your car behaves.
• Read and Clear Fault Codes: Identify and clear ECU fault codes without a separate diagnostic tool, keeping your build clean and your troubleshooting streamlined.
• Reset Flash Counters: Clear flash counters directly through the Ultralink—no trip to the dealer, no awkward questions.
• Uninstall APR Software: Return your vehicle to stock at any time. The Ultralink removes APR software cleanly, leaving your ECU exactly as it left the factory.
• Tune Unlimited Vehicles: One Ultralink device works across unlimited vehicles—yours, your friend's, your customer's. No per-vehicle licensing, no additional fees.
• No Extra Cost for Existing APR Customers: Already purchased APR software through an authorized dealer? You won't pay twice. Existing customers access their tunes through the Ultralink at no additional charge.
• Multiple Stage Tunes and Transmission Calibrations: Most supported vehicles carry a full range of stage tunes alongside matching TCU calibrations—so your transmission pairs perfectly.
• Completely Unlocked Device: No restrictions, no subscriptions, no hidden fees for updates, octane switching, or stage changes.