Mini Cooper R56 LCI N16 1.6 122HP Petrol Engine ECU Kit DME 7638322 + CAS3 + Key

Mini Cooper R56 LCI N16 1.6 122HP Petrol Engine ECU Kit DME + CAS3 + Key is an original electronic control module from the Electronic control modules and ECUs category, designed for N16 petrol engines with 122 HP. This is an OEM solution that ensures proper engine management, stable communication with the vehicle's electrical system, and correct operation of all related systems.

Specifications and technical data

• SKU: 7638322-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7638322
• Substitutable numbers: 12148652745, 8652745, 12147638322, 7638322, 12147607685, 7607685, 12147620987, 7620987, 12148625068, 8625068, 12148600124, 8600124, 12147627520, 7627520, 12147615981, 7615981, 12147619335, 7619335, 12147643771, 12148617050, 0261S07955, 0 261 S07 955, 61359267609, 9267609, KZ
• Fuel type: Petrol
• Category: ECUs & Computer Modules

Purpose and function of the ECU

The engine control unit in a Mini with an N16 engine is responsible for precise fuel injection, ignition control, accessory operation, and communication with other modules in the vehicle. In the case of the petrol version, maintaining the correct mixture and ignition parameters is crucial, which is why using the correct ECU module has a direct impact on engine refinement, performance, and fuel consumption. The original module from this series was designed specifically for the requirements of the 122 HP engine, which translates into consistency with the factory software and the Mini's electrical architecture. This makes it possible to maintain the factory performance characteristics of the powertrain and ensures the correct operation of diagnostic systems.

Benefits of using an original ECU module

Using a factory-spec control unit in a Mini R56 LCI with an N16 engine provides a number of practical benefits:

• maintaining compatibility with the vehicle's electrical installation and communication network,
• proper cooperation with engine accessories and other modules,
• possibility of correct diagnostics using standard service tools,
• stable operation of the petrol engine under full load conditions. For workshops and users, this means a lower risk of adaptation problems, communication errors, or improper engine operation after replacement. A properly selected engine control unit helps shorten repair time and limits the number of trial configurations.

Selection by part numbers and compatibility

This control unit belongs to a group of modules for which dedicated part numbers and interchangeable numbers are available, which facilitates precise matching to a specific Mini configuration. When selecting, it is recommended to verify compatibility using the OEM number, reference numbers, and vehicle data (VIN) to ensure full hardware and software compatibility. If you have any doubts regarding the interchangeability of individual control unit versions, it is worth using practical tips on used automotive electronics – issues such as hardware version compatibility, software, or adaptation procedures have been discussed in more detail in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Product characteristics and use in a petrol engine

The presented ECU module is intended for Mini vehicles with a petrol engine, which means that its control map, correction algorithms, and accessory support are optimized for the specifics of petrol-powered units. Dedicated software for the petrol engine allows for proper control of the injection system, ignition, and exhaust emission control systems. In practice, this translates into:

• stable idle speed,
• smooth acceleration throughout the entire rev range,
• correct response to load and changing operating conditions,
• maintaining combustion parameters within the limits specified by the manufacturer.

Condition, origin, and cost-effectiveness

The offered control unit comes from a dismantled Mini vehicle and is a used component, which allows for a significant reduction in repair costs compared to purchasing a new OEM module. For many users and service centers, this is a reasonable compromise between quality and budget, especially when repairing older R56 LCI models. Rising service costs mean that proven second-hand components are increasingly being chosen – you can read more about how to safely and consciously use the used parts market in the article: Rising repair costs and the boom in used parts – how to save on car maintenance?

Expanding the control system in a Mini

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other components from the same group, such as additional ECU modules, auxiliary controllers, or related electronic units, check out the available parts in the Mini electronic control modules and ECUs category.