Mini Cooper R56 N12 1.6 120HP Petrol Engine ECU Kit DME 7573701 CAS3 + Keys

Mini R56 N12 120HP ECU Computer Key is a set from the Electronic Control Modules and Controllers group, designed for gasoline versions of MINI with the N12 unit. The set ensures consistent operation of the engine controller with the immobilizer and key, which facilitates the restoration of full powertrain functionality after an electronic failure.

Specifications and technical data

• SKU: 7573701
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7573701
• Substitutable numbers: 7573701, 12147589972, 7589972, 12147572268, 7572268, 12147620005, 7620005, 12147620001, 7620001, 12147572264, 12147572270, 12147620020, 12147572274, 12147572272, 12147620076, 12147572276, 12147572256, 12147572260, 12147572266, 0261201775, 0 261 201 775, 61356943822, 6943822
• Fuel type: Petrol
• Category: ECUs & Computer Modules

Application and Function of the ECU with Key Set

The presented set includes the electronic engine controller along with a matched key, allowing for efficient restoration of the factory configuration in MINI R56 gasoline engines. This type of set is particularly useful in cases of original ECU damage, immobilizer problems, or after unsuccessful programming attempts. Thanks to the preserved compatibility of the components, it is possible to quickly restore proper engine unit operation without the need for deep software intervention.

Benefits of Installing a Used Control Module

Choosing a used controller with a key is a solution that helps reduce repair costs while maintaining an appropriate level of reliability. A set of this type:

• facilitates diagnostics and elimination of errors related to ECU–immobilizer communication,
• shortens the time required to start the vehicle after replacing electronics,
• reduces the risk of incompatibility resulting from combining random modules.

For workshops specializing in the MINI brand, such a set is a practical service solution, allowing for efficient completion of gasoline engine control system repairs.

Technical Characteristics in the Context of a Gasoline Engine

The controller included in the set is designed to work with a gasoline unit, meaning it has appropriate injection maps, ignition timing, and operating logic for accessories typical of engines powered by Petrol fuel. A correctly selected ECU is crucial for:

• stable idle operation,
• proper fuel delivery across the full load range,
• exhaust emission control in accordance with factory specifications.

Thanks to this, the set can be used both for standard replacement of a damaged controller and for more complex service work related to engine electronics.

Product Condition and Installation Aspects

The ECU with key set is offered as a used part, which in practice means it comes from a dismantled, functional vehicle and can be re-adapted in another MINI R56 unit. Before installation, a standard diagnostic procedure and verification of compatibility with the specific car configuration are recommended to ensure proper communication with other onboard modules.

Professional installation by a workshop experienced with MINI electronics minimizes the risk of vehicle startup problems and ensures proper integration of the set with the existing electrical system.

Expanding Knowledge on Electronic Modules

If you want to better understand how modern engine controllers, comfort modules, or multimedia systems work in premium cars, it's worth consulting expert materials. Practical tips on working with used controllers, diagnosing iDrive, and FRM modules can be found in the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?, which effectively illustrates the approach to electronics in BMW Group vehicles, including related brands.

Other Mini Electronic Control Modules and Controllers

If you are planning a comprehensive repair or upgrade of the engine area in your MINI and need other parts from the same group, such as engine controllers, comfort modules, or body control units, check the available parts in the Mini Electronic Control Modules and Controllers category.

For owners who are thinking about further developing their car and are interested in sporty versions of this brand, you will find inspiring information about modification possibilities and the use of used components in the guide MINI John Cooper Works – What Sets It Apart and How to Improve Your MINI?, which helps in consciously planning upgrades using original electronic modules.