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APR 1.8T MK4 ECU Stage 1 Upgrade

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$499.99

APR's ECU upgrade is available in octane-specific variations and is conveniently flashed to the vehicle's factory ECU through the BOD-II port without any physical modification to the factory ECU on drive by wire models. APR's EMCS functionality puts the control of the engine's operation at the fingertips and allows for the additional features and options to be installed to the OEM ECU. 

The ECU's Bosch ME7 drive by wire (DBW) engine management system is responsible for proper operation of the engine during constantly changing environmental and load conditions. With built in compensational data for environmental variables and varying load conditions, the factory ECU is far more complex and intelligent than units found in other vehicle makes and marques. 

All APR Software upgrades are only available at our Joplin, Missouri retail location. In order to receive an APR software upgrade, please click here to schedule an appointment. You may either add this item to your cart and purchase online, or may also pay in store. 

VEHICLE APPLICATION GUIDE

 Vehicle Engine
Volkswagen Golf / GTI / ED20 / ED25 / 337 1.8T
Volkswagen Jetta/GLI 1.8T