BMW E82 125i N52N 218HP ECU Kit DME 7594483 CAS3 +Key Manual Gearbox

BMW E82 125i N52N 218HP Engine Computer ECU DME CAS3 Set 7594483 is a complete, used engine control unit set designed for the gasoline version of the BMW 1 Series with a manual transmission. The set includes an Engine Control Unit and a CAS3 module, ensuring consistent, factory-level integration of the powertrain electronics. This is a solution for users and workshops seeking a proven, original control system for professional repair or replacement.

Specifications and technical data

• SKU: 7594483-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7594483
• Substitutable numbers: 12148613000 12147594483 5WK91136 61359147226, 8613000 7594483 9147226, 12147639564 12147624048 12147614359 12147605429, 7639564 7624048 7614359 7605429, 12147629052 12147609656 12147591709 12147583468, 7629052 7609656 7591709 7583468, 12147577996 12147587164, 75
• Fuel type: Petrol
• Gearbox type: Manual
• Part type: Engine Control Unit (ECU)
• ECU type: Engine Control Unit
• Category: ECUs & Computer Modules

Purpose and Function of the ECU DME CAS3 Set

The presented set belongs to the Electronic Control Modules and Controllers group and is responsible for the comprehensive management of the 218 HP N52N gasoline engine in the BMW E82 125i. The DME controller manages, among other things, fuel injection, ignition, and cooperation with engine peripherals, while the CAS3 module is responsible for start authorization and communication with the vehicle's security system. Combining these elements in one set facilitates the adaptation of the powertrain electronics to a specific car configuration.

Compatibility with Gasoline Engine and Manual Transmission

The set is designed to work with a gasoline engine and a manual transmission, which is crucial when selecting a controller for BMW. The appropriate engine maps, control logic, and communication with other vehicle modules are tailored to the specifics of a manual drivetrain, ensuring the system operates according to the manufacturer's factory specifications. For workshops, this means a lower risk of compatibility issues and faster configuration after installation.

Benefits of Using an Original BMW Controller Set

Choosing an original BMW ECU DME CAS3 set primarily ensures electronic consistency within a single vehicle. The engine controller and CAS3 module come from the same configuration, simplifying adaptation and reducing the need for additional software modifications. For the user, this translates to stable engine operation, proper cooperation with safety systems, and the preservation of the driving characteristics typical for the BMW 125i N52N.

This type of solution is particularly useful for:

• replacing a damaged engine controller after an electronic failure,
• post-accident repairs where control modules have been damaged,
• communication problems between the DME and CAS3, manifesting as starting difficulties.

Application in Professional BMW Service and Diagnostics

The ECU DME CAS3 set fits well with the needs of specialist BMW workshops that handle diagnostics and electronics repair for models with the N52N engine. A used, complete control module allows for faster vehicle restoration compared to time-consuming repairs of damaged electronics. By maintaining the original control architecture, standard diagnostic and programming procedures used in BMW can be utilized.

BMW Electronic Control Modules and Controllers – Expansion and Repairs

If you are planning a comprehensive engine area repair or upgrade for your BMW and need other components from the same group, such as additional controllers, engine management modules, or drivetrain-related systems, check the available parts in the BMW Electronic Control Modules and Controllers category.

More About Repairing BMW Controllers and Modules

When working with BMW electronics – including ECU sets, CAS modules, or FRM modules – it is advisable to be aware of best practices regarding diagnostics, coding, and the use of salvaged parts. A detailed discussion of these topics, with examples for the 3 and 5 Series, 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 Salvaged Parts?, which will help you better plan electronics repairs for other models of this brand as well.