.es-years-header, .es-years-cell { display: table-cell; } .es-years-mobile { display: none; } @media (max-width: 620px) { .es-years-header, .es-years-cell { display: none !important; } .es-years-mobile { display: block !important; font-size: 13px; color: #666; margin-top: 3px; } } Unleash the True Potential of Your Audi RS3 (8Y) and Cupra Formentor VZ5. We’re thrilled to introduce APR’s Engine Control Unit (ECU) Upgrades for the powerful 2.5 TFSI EA855 EVO engine found in the Audi RS3 (8Y) and Cupra Formentor VZ5! With up to 550 HP and 511 FT-LBS of torque, this upgrade transforms your car into a performance powerhouse, delivering exhilarating power and unmatched driving excitement. Power. Precision. Protection. Our new ECU software is the result of months of meticulous engineering and real-world testing, far surpassing the typical aftermarket solution. By equipping our development vehicles with high-speed data loggers, turbo shaft speed sensors, thermocouples, and other precision instruments, we fine-tuned hundreds of parameters and corrected countless protection models across multiple octanes to achieve flawless performance, enhanced safety, and unmatched reliability. We’re so confident in its reliability that we even offer an optional factory term-limit matching limited powertrain warranty with APR Plus! Features MORE POWER Power Gains: Up to 550 HP / 511 FT-LBS (+153 AWHP / +141 AWFT-LBS). ENGINEERED FOR THE APPLICATION Includes 7 Fuel Grade Tunes: 91 AKI (95 RON), 93 AKI (98 RON), 96 AKI (100 RON), 98 AKI (102 RON), 100 AKI (104 RON), 104 AKI (108 RON), and E60-E85 (no hardware required). ENGINEERED FOR THE APPLICATION Multiple Performance Stages: Specific tunes for use with stock and modified hardware. APR PLUS WARRANTY COVERAGE APR Plus: 91 AKI Stage 1 with an optional factory-matching limited powertrain warranty. ENHANCED SOUND Enhanced Features: Enhanced exhaust note/crackle with fully open valves, increased standing RPM limiter with exhaust crackle and fully opened valves, speed limiter removal, Auto Start/Stop memory, left-foot brake boosting, linear throttle mapping, and unc. BETTER COOLING Advanced Safety Protection Routines: LSPI/knock protection, thermal management, turbo/pressure quotients, and fuel system protection. STRAIGHTFORWARD INSTALL PROCESS ECU Swap: Our software installs to an unlocked ECU. ENGINEERED FOR THE APPLICATION Lifetime Updates: Continuous improvements and support. HARDWARE INCLUDED Supports Bolt-On Mods: Adding most hardware upgrades increases power and maximize performance with our software stages. Vehicle Compatibility Model Years Compatible Trims Audi RS3 (8Y) 2022–2024 2022–2024 RS3 Fits the models and years listed above only. Message us with your VIN if you would like fitment confirmed before ordering. What’s Included 1x APR Performance ECU Upgrade Availability & Shipping In stock and ships from a US warehouse. Orders are typically processed within 1–5 business days. Estimated US delivery: 3–5 business days with tracking provided once dispatched. Free shipping anywhere in the US. International orders: estimated delivery 7–14 business days depending on destination and customs.