APR 2.5 TFSI Software

APR is pleased to present the 2.5 TFSI EA855 EVO ECU Upgrade found in the new Audi RS3 and TT RS. We anticipate full details will be released to the public on Wednesday, June 13th, at which time you may share the information to your customers. Software will be available in all markets at once around the globe at the release.

The APR Stage 1 ECU Upgrade will offer up to 542 HP without any hardware modifications. The upgrade supports our ECMS program switching via the cruise-control stalk and APR Mobile program switching via our mobile app. The upgrade supports the following fuel grades:
 

The APR Plus ECU Upgrade will also release at the same time. This upgrade is the same as our Stage 1 91 octane software, but it includes a factory term limit matching APR Plus Limited Powertrain Warranty. This is only available in the USA. If you’re not up to speed on APR Plus, please reach out to your account rep for more details on the program.
 

In the coming months, multiple ECU and TCU stages, supporting hardware upgrades such as downpipes, fueling and drop-in turbochargers, will follow.

 

 

Stage	NAR Fuel	ROW Fuel	Max HP	Max TQ	Max HP Gain Over Stock	Max TQ Gain Over Stock
Stock As Reported by Audi	91 AKI	95 RON	394 HP	354 FT-LBS
Stock As Measured by APR	93 AKI	98 RON	420 HP	372 FT-LBS
APR Plus	91 AKI	95 RON	459 HP	451 FT-LBS	+66 HP	+88 FT-LBS
APR Stage I	91 AKI	95 RON	459 HP	451 FT-LBS	+66 HP	+88 FT-LBS
APR Stage I	93 AKI	98 RON	476 HP	470 FT-LBS	+86 HP	+108 FT-LBS
APR Stage I	-	102 RON	491 HP	475 FT-LBS	+98 HP	+112 FT-LBS
APR Stage I	100 AKI	104 RON	516 HP	498 FT-LBS	+106 HP	+137 FT-LBS
APR Stage I	104 AKI	108 RON	524 HP	506 FT-LBS	+113 HP	+146 FT-LBS
APR Stage I	E85	E85	542 HP	500 FT-LBS	+132 HP	+134 FT-LBS

Pricing:

 

A note on power output: The factory RS3 and TTRS intercooler is tiny and susceptible to heat soak on the dyno, even with decent cooling fans. We’ve calibrated the ECU to pull back power to protect the engine during high IAT dyno pulls. For customers looking to get the most out of their vehicle, we highly recommend our upcoming intercooler system.

A note on E85: Our E85 software is not a full flex fuel program. In this mode the engine is only designed to work on E85, as found directly at the pump, including both summer and winter blends from E60-E85. Using traditional pump fuels in this mode may result in engine damage. Do not manually blend with traditional pump gasoline (87, 91, 93 (R+M)/2, etc) or race fuels. To ensure proper E85 content levels, APR recommends using an E85 content sensor.


Thank you and Go APR!