BMW 1 3 Series E87 E90 116i 316i N45 Petrol ECU KIT DME + CAS2 + 2 Keys 7550688

Complete ECU DME engine control unit set with CAS2 module and two keys for BMW 1 Series E87 and 3 Series E90 with N45 gasoline engine is a practical solution for workshops and users looking for a coherent, factory-standard control system. The set allows for maintaining the compatibility of the drivetrain electronics and immobilizer, which significantly simplifies vehicle startup after control unit replacement. This is a particularly beneficial option for repairs after electronic failures or when swapping powertrains.

Specifications and technical data

• SKU: 7550688-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7550688
• Substitutable numbers: 12147568427, 7568427, 12147550688, 7550688, 61356964051, 6964051, 0261209036, 12147545046, 7545046
• Fuel type: Petrol

Application and Compatibility with N45 Engine

The presented ECU DME + CAS2 + 2 keys set is designed for BMW 1 Series E87 and BMW 3 Series E90 vehicles equipped with the N45 gasoline engine. The appropriately selected engine control unit works with the injection system, ignition, and security systems, ensuring proper operation of the powertrain under typical operating conditions.

The kit includes components necessary to maintain the integrity of the anti-theft system, thus avoiding time-consuming programming from scratch. This solution is particularly useful when replacing a damaged control unit in gasoline-powered vehicles, where drivetrain electronics compatibility is crucial.

Construction of the ECU KIT DME + CAS2 + 2 Keys Set

The set includes the DME engine control unit, the CAS2 comfort and immobilizer module, and two keys matched to this set. This configuration allows for maintaining data integrity between the control unit and the key recognition system, minimizing the risk of startup problems after installation.

This type of solution is often chosen by professional BMW service centers as it enables efficient replacement of control electronics without the need for deep intervention in the vehicle's software. The set is designed for gasoline-powered vehicles, which is important when selecting parts for a specific engine version.

Benefits of Using a Used OEM Set

An original set sourced from dismantling ensures the preservation of the factory control logic for the engine and security systems. For many users and workshops, this is a sensible compromise between cost and functionality, especially for older models of the BMW 1 Series and 3 Series.

Using a complete ECU + CAS2 + keys set allows for:

• reducing the time required for control unit programming and adaptation,
• maintaining the consistency of the immobilizer and key recognition system,
• simplifying diagnostics and vehicle startup after electronic repairs.

Professional Approach to BMW Electronics Repairs

When selecting a control unit for a BMW with an N45 engine, it is worth paying attention to compatibility with the specific equipment version and vehicle year. The ECU KIT DME + CAS2 + 2 keys set provides a solid foundation for restoring the powertrain's functionality, especially when the original control unit has been damaged.

For users who are also considering purchasing other components for their BMW, browsing parts available in the relevant store sections may be helpful – this allows for selecting a coherent set of components for a specific repair or upgrade project.

Expanding Knowledge on BMW Units

If you are interested in a broader context of selecting BMW powertrains and the cost-effectiveness of purchasing used parts, it is worth reading the comparative analysis of diesel engines in the article: BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels and Cost-Effectiveness of Used Parts. Although the presented set concerns the N45 gasoline engine, knowledge about the construction differences and operating costs of various BMW units helps in consciously planning long-term vehicle maintenance.