APR B9 RS4 and RS5 V1.3 ECU Update for APR Stage 1 and APR Plus

By: APR | 04/14/2021 < Back to Blog Home
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We’ve updated our APR Plus and APR Stage 1 ECU Upgrades for the B9 RS4 and RS5 2.9 TFSI EA839 V6. The update feature a new launch control routine that allows for a better launch off the line while also adding protection for the driveline. Additionally we’ve adjusted an RPM fluctuation that occurred on some vehicles during a cold start. This update is now available across the globe for free and is listed as Version 1.3.

Launch Control Tutorial

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