BMW Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + Key Manual

The BMW Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + Key Manual is a complete engine control kit designed for manual transmission versions. It includes the DME control module, CAS3 module, and a matched key, significantly simplifying professional repair or replacement of engine electronics in Mini vehicles. This is a practical solution for workshops and users looking for a tested, used ECU set.

Specifications and technical data

• SKU: 7641003-5
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7641003
• Substitutable numbers: 12147587549, 7587549, 12147631001, 7631001, 7641003, 0261S04158, 61359147184, 9147184
• Gearbox type: Manual

Application of the ECU Kit in Mini Cooper S

The presented ECU kit is dedicated to the N14 1.6L, 174 HP engine in Mini Cooper S models of the R55 and R56 series. The combination of the DME controller with the CAS3 module and key ensures the consistency of the immobilizer system and engine electronics, which practically reduces the need for time-consuming zero-point programming. This is a particularly beneficial solution when replacing a damaged controller in vehicles after mechanical or electrical repairs.

Kit Construction and Technical Benefits

The complete ECU kit includes the DME engine controller, the CAS3 comfort/immobilizer module, and a matched key. This configuration allows for maintaining the integrity of the vehicle's security system and facilitates adaptation in a car where the original controller has failed. The kit is designed to work with a manual transmission, which is crucial when selecting parts for a specific drivetrain configuration.

Combining these components in one package minimizes the risk of module incompatibility and reduces diagnostic and installation time. For workshops, this means more efficient customer service, and for the end-user, a faster return of the car to full operational status.

Intended for the N14 1.6 174 HP Engine

The N14 engine with 174 HP used in the Mini Cooper S requires a precisely selected DME controller that manages the fuel injection system, ignition, and engine protection strategies. The complete DME + CAS3 + Key kit allows for restoring correct engine operation after electronic damage, without the need for deep intervention in the vehicle's software. This is particularly important for cars after tuning, accident repairs, or engine replacement with a unit of the same specification.

Condition, Origin, and Purchase Value

The offered kit is a used part from a dismantled vehicle, making it an attractive cost alternative to new OEM components. For many users and service centers, it represents a sensible compromise between price and functionality, especially for repairs on older Mini Cooper S models. If you want to better understand how to safely choose used parts, check out the guide: Used Parts – Your Guide to the Best Deals in the Automotive Store.

Why Choose This DME + CAS3 + Key Set

Choosing a complete ECU kit for a Mini reduces the risk of problems with electronics and immobilizer matching, which is a common challenge when replacing individual modules. The kit is dedicated to a specific engine and gearbox configuration, making it a cohesive service solution. It is a practical proposition for workshops specializing in the Mini brand and for informed users seeking a technically matched, used engine control kit.