BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module 8643126 Automatic

BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module is a specialized electronic control unit designed for the S63N engine in BMW 5 and 6 series sports models. It is responsible for precise engine management in configurations with an automatic transmission, ensuring stable power characteristics and consistency with the vehicle's factory electronics. This solution is dedicated to users looking for a proven, original ECU from the Electronic control modules and controllers category.

Specifications and technical data

• SKU: 8643126
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8643126
• Substitutable numbers: 8643126, 12148643126, 8672239, 12148672239, 8637035, 12148637035, 8655428, 12148655428, 0261S12000, 0 261 S12 000
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the engine control module

The ECU for the S63N engine in M5 F10 and M6 F06, F12, F13 models is responsible for the comprehensive control of the high-power gasoline engine. The module coordinates the operation of fuel supply, ignition, and communication with the automatic transmission to maintain factory characteristics and proper response to load.

By using an original module from this series, compatibility with BMW's factory electronic architecture is maintained, which facilitates integration with other vehicle systems, such as safety systems, traction control, or advanced comfort features.

Compatibility with automatic transmission

The presented controller has been prepared for use with an automatic transmission, which is crucial for the proper operation of the entire drivetrain. Appropriate maps and control logic enable smooth gear shifting, torque adjustment to the current gear, and the maintenance of proper driving modes offered by BMW M.

In practice, this means that with proper adaptation and configuration, the module allows for maintaining the factory behavior of the drivetrain – from calm driving in comfort modes to dynamic use of the engine's full potential in sport modes.

Application in BMW M5 and M6 models

The ECU for BMW F06 F12 F13 M6 and F10 M5 is intended for vehicles equipped with the 560HP S63N engine. This is a solution for users who need to replace a damaged module or are sourcing electronics for a project based on this powertrain. Using an original controller from this group facilitates subsequent diagnostics, coding, and programming based on standard BMW service tools.

The module should be treated as a component requiring professional installation and matching to a specific vehicle (coding, potential immobilization pairing, adaptations). A properly conducted integration process allows for the restoration of full drivetrain functionality without the need for mechanical engine intervention.

Product characteristics and advantages

The offered component comes from the Electronic control modules and controllers group, meaning it is designed to operate in the demanding environment of the engine bay and vehicle installation. The module's construction provides resistance to typical thermal and electrical loads found in high-power cars such as the M5 and M6.

Choosing a used OEM controller for the S63N allows you to:

• maintain consistency with the factory BMW M electronic configuration,
• facilitate diagnostics and service based on standard procedures,
• reduce the risk of compatibility issues compared to universal solutions or aftermarket replacements.

BMW electronic control modules – topic expansion

In modern BMW 3 and 5 series models, as well as in sports M variants, a properly functioning network of electronic modules plays a key role – from the engine controller and comfort modules to multimedia systems. If you want to better understand how to safely use dismantled parts and how to approach controller repairs in BMWs, it is worth reading the practical tips in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?

Related BMW electronic control modules and controllers

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other components from the same group, such as engine controllers, drivetrain management modules, or other electronic control units, check out the available parts in the BMW electronic control modules and controllers category.