APR Motorsport S4 Pitstop Practice.

We’re excited to announce our Engine Control Unit (ECU) Upgrades are now available for the Audi S4, S5, and SQ5 (B9) 3.0 TFSI engine with the Bosch MG1 ECU! Expect massive gains with up to 431-480 HP and 467-549 FT-LBS of torque on tap, depending on octane, from this simple software upgrade. Additionally, APR Plus is available with 431 HP and 467 FT-LBS and comes with a factory term limit matching limited powertrain warranty!
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First 991.2 3.0T in the 9’s with a 9.917@141.59 MPH!
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The APR Stage I ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications, and produces 234-262 HP with 270-311 FT-LBS of torque depending on fuel grade. Gains as high as 45-73 HP and 59-100 FT-LBS of torque are available throughout the power band, depending on fuel grade and factory output, making the vehicle exceptionally quicker in all scenarios. Optionally, APR Plus is available with a factory term limit matching limited powertrain warranty and delivers 234 HP with 270 FT-LBS of torque! APR Stage 1 is available for 87 AKI, 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades in North America! Learn more on our product page and GOAPR!
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The APR Stage I ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications, and produces 234-262 HP with 270-311 FT-LBS of torque depending on fuel grade. Gains as high as 45-73 HP and 59-100 FT-LBS of torque are available throughout the power band, depending on fuel grade and factory output, making the vehicle exceptionally quicker in all scenarios. Optionally, APR Plus is available with a factory term limit matching limited powertrain warranty and delivers 234 HP with 270 FT-LBS of torque! APR Stage 1 is available for 87 AKI, 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades in North America! Learn more on our product page and GOAPR!
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