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vehicle: Audi A4 Quattro
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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
TrendingAPRAPR Remote Tuning Service - ECU/TCU Install Cable Fits Most APR ECU/TCU supported vehicles - Audi / VW / Porsche / Bentley / Lamborghini$171.95
APRAPR ECU Upgrade - 1.8T EA113 (B5) 1.8T Engine Tune for the Audi A4 00-01, A4 Quattro 00-01; Volkswagen Passat 00-05$459.95- $459.95
- 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
- APRAPR ECU Upgrade - 2.0T EA888 Gen 3 (Longitudinal) 2.0T Engine Tune for the Audi A4 17-20, A4 allroad 17-20, A4 Quattro 17-20, A5 Quattro 18-20, A5 Sportback 18-20, A6 17-18, A6 Quattro 16-18, Q5 18-21, Q5 PHEV 20-22, Q5 Sportback 21-22; Porsche Macan 17-21$559.95
Audi A4 Quattro 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.