APR Presents the 2010 Audi B8 S4 ECU Upgrade Pre-Release at H20 International! APR is pleased to present our first and most innovative ECU Upgrade for the SIMOS engine management system as found in the 2010 Audi B8 S4 3.0 TFSI.
Beginning Friday, September 24, APR will release the long awaited S4 ECU Upgrade as a single program ECU flash for early adopters. APR’s B8 S4 3.0 TFSI ECU Upgrade will be available as a single program only for $1,499. Early Adopters that purchase a single program will be entitled to a FREE upgrade to a fully loaded ECU to include APR’s Patented EMCS functionality once EMCS (program switching) is released.