Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Keys Manual

Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Keys Manual is a complete engine control kit designed for Mini One models with the N16 engine producing 98 HP. The kit includes the DME engine control unit, the CAS 3 module, and matched keys, significantly simplifying the restoration of correct electronic system operation. This solution is particularly beneficial when replacing a damaged control unit or addressing immobilizer issues, where a cohesive, factory-matched set is required.

Specifications and technical data

• SKU: 7620987-4
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7620987
• Substitutable numbers: 12148652745, 8652745, 12147638322, 7638322, 12147607685, 7607685, 12147620987, 7620987, 12148625068, 8625068, 12148600124, 8600124, 12147627520, 7627520, 12147615981, 7615981, 12147619335, 7619335, 12147643771, 12148617050, 0261S06663, 0 261 S06 663, 61359221719, 9221719
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and Function of the ECU DME + CAS 3 Kit

The presented kit belongs to the Electronic Control Modules and Units category and is responsible for comprehensive engine management and start authorization. The combination of the DME control unit with the CAS 3 module and assigned keys ensures data consistency, minimizing the risk of communication errors within the vehicle network and engine start problems.

A kit configured in this way is especially useful for serious electronic failures where replacing a single control unit does not resolve the issue. Using a ready-made kit with matched components reduces the need for lengthy diagnostics and complex programming.

Benefits of Using a Complete Control Unit Kit

The ECU kit with the CAS 3 module and keys offers a range of practical advantages for the daily operation of the Mini One with the N16 engine:

• data consistency between the engine control unit and the security module,
• reduced risk of immobilizer system conflicts,
• simplified work for automotive electricians or electronics technicians during installation,
• faster restoration of full vehicle functionality after an electronic failure,
• a solution tailored to the 1.6 98 HP version in the LCI model.

Additionally, the kit is prepared for cooperation with a manual transmission, which is important for matching the specific drivetrain configuration of the car.

Compatibility and Replacement Numbers

The components included in the kit have a dedicated OEM part number and an extensive list of interchangeable numbers, facilitating compatibility verification with specific Mini One R55/R56 LCI versions. This allows for precise selection of the control unit to match the existing wiring harness and engine ancillaries, avoiding communication issues on the vehicle's bus.

Before purchasing, it is advisable to compare the designations with the currently installed components or service documentation to confirm full compatibility. The extensive list of references increases the chances of matching various equipment variants within the same Mini generation.

Condition, Origin, and Practical Application

The offered kit is sourced from disassembly and is classified as a used Mini part, providing a cost-effective solution compared to new control units. For workshops specializing in the Mini brand and for informed users, this is an efficient way to repair the vehicle while maintaining the original electronic architecture.

In practice, the DME + CAS 3 + keys kit is particularly useful in situations where:

• the engine control unit or CAS module has been damaged,
• there are starting problems related to the immobilizer,
• electronic components need replacement after flooding or a wiring short circuit.

Mini Electronic Control Modules – Expansion and Service

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

To deepen your knowledge of engine control unit operation, comfort modules, and solutions used in modern onboard systems, it is worth familiarizing yourself with practical tips on diagnostics and the use of salvaged parts in premium segment vehicles – you can find them in the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Salvaged Parts?.

Summary

Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Keys Manual is a practical, complete engine control kit for versions with a manual transmission. The combination of the DME control unit, CAS 3 module, and matched keys significantly simplifies the electronic system repair process, reduces vehicle downtime, and maintains the original operating logic of Mini systems.