Average gain of 65 horsepower and 84 lb-ft of torque on 93 Octane
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Audi B5 Performance ECU & TCU Tuning
Average gain of 50 horsepower and 59 lb-ft of torque on 91 Octane
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TCU required for all vehicles equipped with Automatic Transmission
Average gain of 45 horsepower and 99 lb-ft of torque on 93 Octane @ 20 PSI
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For vehicles with ATW & AWM engine codes only
Average gain of 51 horsepower and 65 lb-ft of torque on 93 Octane @ 18 PSI
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For vehicles with AEB engine code from the 2000 model year only
Choose the stage that meets your power goals!
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This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Average gain of 45 horsepower and 60 lb-ft of torque on 91 Octane @ 16 PSI
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For vehicles with AEB engine code from the 2000 model year only
Average gain of 38 horsepower and 69 lb-ft of torque on 91 Octane @ 18 PSI
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For vehicles with ATW & AWM engine codes only
Choose the stage that meets your power goals!
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This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
*Sale applies only to ECU with 3 or 4 program purchase.
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This upgrade must be performed at ECS Tuning's facility in Ohio.
Upgrade your tune with Launch Control
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Only to be purchased in conjunction with another tune
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Gain up to 16 horsepower and 17 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
This product was last offered at the strikethrough price on
05-21-2026
APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.
This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately.
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This software is only compatible with Windows PC / Laptop. *Tune sold separately.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
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Version 1.
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