Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual

Visual condition of the part

The product shows signs of use visible in the photos.

Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key is an original component from the Electronic control modules and controllers group, designed for precise management of the powertrain in the sports S3 version. This used controller ensures factory engine management logic, maintaining the performance characteristics and operational refinement intended by the manufacturer.

Specifications and technical data

• SKU: 8P0907115AP-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P0907115AP
• Substitutable numbers: 8P0907115AP, 8P0 907 115 AP, 1K0905865A, 1K0 905 865 A
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the engine controller

The presented engine ECU is responsible for advanced control of the 2.0 TFSI unit, including fuel delivery, ignition, and integration with engine peripherals. Using a dedicated module in the Audi S3 8P ensures consistency with factory calibration, which translates into stable operation across the full load range and predictable vehicle behavior.

The ECU from this series is designed for dynamic driving, which is why its correct compatibility with the specific engine version and equipment is particularly important. Using an original module from the same family ensures proper communication with other vehicle systems, such as safety systems or onboard electronics.

Compatibility with the powertrain

The engine computer has been developed to work with a petrol-powered unit, which guarantees compliance with the characteristics of the TFSI engine and its fuel injection system. This makes it possible to maintain the correct ignition and injection maps, as well as the proper operation of engine protection functions.

The module is designed for configuration with a manual transmission, which is significant for torque control logic, throttle response, and interaction with driver assistance systems. Properly matching the ECU to the transmission type minimizes the risk of communication errors and incorrect readings in diagnostic systems.

Benefits of using an original ECU module

Choosing an original controller from the Electronic control modules and controllers group allows you to maintain software and hardware consistency in the vehicle. This is particularly important in the case of high-performance units, where control precision has a direct impact on the durability of mechanical components and driving comfort.

A used module of this type is a cost-effective solution while maintaining factory specifications. In many cases, it enables the restoration of full vehicle functionality after an engine electronics failure, without the need to interfere with the installation design or use universal solutions.

Professional selection and installation

Due to the complexity of modern engine control systems, it is recommended to verify compatibility by OEM number and interchangeable numbers before purchase, as well as to match it according to the software version. Proper module selection limits the risk of problems with adaptation, the immobilizer, or communication within the vehicle network.

Proper ECU installation should be performed by a workshop experienced in working with Audi electronics, using appropriate diagnostic tools for coding and adaptation. This allows for safe vehicle startup and correct configuration saving in the onboard systems.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as controllers, management modules, or ECU units, check the available parts in the Electronic control modules and controllers Audi category.

For users considering the purchase of a used engine controller, the Global Parts guide discussing selection by OEM number, hardware and software compatibility, and practical installation aspects will be particularly helpful – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.