APR ECU Upgrade for the Audi RS5 2.9 TFSI

We’re excited to announce our Engine Control Unit (ECU) Upgrades are now available in all markets for the Audi RS4 and RS5 (B9) 2.9 TFSI engine with the Bosch MG1 ECU! Expect massive gains with 488-550 HP and 537-606 FT-LBS of torque on tap, depending on octane, from this simple software upgrade.
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We’re excited to announce our Engine Control Unit (ECU) Upgrades the Audi RS5 (B9) 2.9 TFSI engine now includes APR Plus! APR Plus combines our ECU Upgrade with a factory term matching limited powertrain warranty! Expect massive gains with 488 HP and 537 FT-LBS of torque on tap from this simple software upgrade.
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APR Badges are here and now available in matte silver, polished silver, and satin black! These badges are hot. They look OEM thanks to the multi-piece design and 3D-domed profile, but draw all the right attention to enthusiasts in the know. Install is a snap. Just peel-and-play. We even include a template so you don’t have to worry about a sketchy install. Some have said these badges increase the value of the vehicle, while others have made horsepower gains, but we can’t comment on either. We prefer the trunk, but this badge installs anywhere it fits!
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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.
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