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vehicle: 2009 Audi A4
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Best-SellerAPRAPR Ultralink Fits Most APR ECU/TCU supported vehicles - Audi / VW / Porsche / Bentley / Lamborghini$184.95
TrendingAPRAPR Throttle Booster - w/ Wireless Controller and Bluetooth Mobile App Fits Various 2004-2025 VW/Audi/Bentley/Lamborghini/Porsche Vehicles$299.95
APRAPR ECU Upgrade - 2.0T EA113 K03 (Longitudinal) 2.0T Engine Tune for the Audi A4 05-09, A4 Quattro 05-09$459.95- APRAPR ECU Upgrade - 2.0T EA888 Gen 2 (Longitudinal) 2.0T Engine Tune for the Audi A4 09-16, A4 Quattro 09-16, A5 10-14, A5 Quattro 10-17, A6 12-15, A6 Quattro 13-15, allroad 13-16, Q5 11-17$459.95
2009 Audi A4 Software & Tuning
APR’s software and tuning solutions deliver refined performance engineering—precision ECU and TCU calibrations, along with inline modules, that elevate power, transmission response and driving dynamics while maintaining the integrity of your European vehicle’s factory systems.