Program Switching: Program switching allows the user to cycle through up to four different engine calibrations and operating modes all without the need for external hardware. The vehicle’s cruise control will function normally while driving. APR’s EMCS features and programs modes are activated via the factory OEM cruise control buttons, and optionally through APR Mobile. On this platform, this is contrary to the industry norm of capping limits, using multipliers, only swapping portions of a base calibration, or relying on knock activity to lower output. EMCS has the ability to completely rewrite the entire operating map data within the ECU, giving each program mode a completely different set of calibration changes. For maximum safety, especially on vehicles that see road course use, or long autobahn top speed runs, APR recommends NGK heat range 9 (NGK-R7437-9) spark plugs gapped to 0.024" ☐.002" or 0.6mm ☐.05mm with a change interval of 10-15,000 mi or 16-24,000 km.ĪPR’s Enhanced Modular Chipping System, (EMCS), brings selectable programs and features to the factory ECU, without the need to purchase external hardware switching devices. To ensure proper E85 content levels, APR recommends using an E85 content sensor. Do not manually blend with traditional pump fuel or race fuels. Using traditional pump fuels in this mode may result in engine damage. 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. Please note, our E85 software is not a full flex fuel program. Upgrading the small factory intercooler is highly recommended on this platform.ĪPR Stage 1 is available for 91 AKI, 93 AKI, 100 AKI, 104 AKI and E85 fuel grades in North America, and 95 RON, 98 RON, 102 RON, 104 RON, 108 RON and E85 fuel grades in the Rest of the World. To get more power, the vehicle can be outfitted with an upgraded intake, intercooler, catback exhaust and other small modifications without requiring any new modification to the ECU. Gains as high as 66-132 HP and 88-146 FT-LBS of torque are available throughout the power band. The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications, and produces 459-542 HP with 451-506 FT-LBS of torque, depending on octane. Furthermore, we’ve added left foot braking, removed the speed limiter, raised the rev-limiter and added a motorsport limiter, adjusted the factory exhaust crackle to protect the catalyst, optimized cold start, retuned the exhaust flap actuation for the best performance and sound in multiple modes, optimized high altitude mappings, retuned the throttle for better response, and completely optimized the driving experience for street and track use making for a much more enjoyable driving experience! Each stage is fully compatible with an upgraded intake, intercooler, catback exhaust, or other minor bolt on modifications.Įach stage includes optimizations to the factory boost gauge making it react more quickly and corrections to the power and torque gauges to match the increased output. Specific software is available for use with a high flow downpipe exhaust system and drop-in turbocharger upgrades are coming soon. Furthermore, for those looking for tuning with a limited powertrain warranty, APR Plus has you covered!ĪPR’s ECU Upgrades are available in multiple stages, supporting various octanes both with or without any hardware modifications. The software loads to the factory ECU through the OBD-II port, resulting in a clean and headache-free install. Optional features, such as APR's EMCS Program Switching and APR Mobile are available. This is made possible through APR’s optimization of the factory engine management system to take full advantage of the engine’s capabilities, without needing any end user adjustment. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 2.5T EA855 EVO (Gen 2) engine!ĪPR’s ECU Upgrades are the best dollar-per-horsepower modification one can make to the 2.5T engine.
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