BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME 7545046 CAS 2 + Key Manual

The BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME CAS 2 + Key Manual is a practical solution for workshops and users who need a proven engine electronics set for petrol vehicles with a manual transmission. The kit includes an engine control unit, a CAS 2 module, and a matched key, which facilitates the restoration of proper drivetrain operation after a failure or engine replacement.

Specifications and technical data

• SKU: 7545046-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7545046
• Substitutable numbers: 12142461574, 2461574, 12147545046, 7545046, 0261209016, 0 261 209 016, 61356943757, 6943757
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME CAS 2 + Key Manual

BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME CAS 2 + Key Manual is a set from the Electronic control modules and ECUs category, designed for BMW 1 Series (E87) and 3 Series (E90) vehicles with the N45 petrol engine, 116 HP output, and a manual transmission. The kit is responsible for managing engine operation, starting authorization, and communication with other vehicle electronic systems. Combining the DME controller with the CAS 2 module and a matched key ensures the consistency of the immobilizer and security logic, which significantly simplifies installation in place of a damaged factory set. This helps reduce diagnostic and programming time and allows for faster restoration of the vehicle's full functionality.

Benefits of using the complete BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME CAS 2 + Key Manual

Using a complete control set in BMW cars with a petrol engine and manual transmission offers a number of practical benefits:

• consistency of components responsible for starting and vehicle security,
• reduced risk of conflicts between the engine controller and the CAS module,
• the ability to efficiently replace a damaged control system without the need to source individual components,
• easier matching to the specifics of the N45 unit and petrol configuration. For workshops specializing in the BMW brand, such a kit is a convenient service solution that allows for shorter repair times and optimized costs related to engine electronics maintenance.

Application in petrol vehicles with a manual transmission

The presented kit has been prepared for BMW cars with a petrol engine equipped with a manual transmission. Proper matching to the drivetrain configuration is crucial for the correct cooperation of the controller with other vehicle modules, such as safety systems or driver assistance systems. Correctly selecting the ECU kit for the fuel type and transmission type helps avoid communication problems within the vehicle network, diagnostic errors, and malfunctions related to engine operation and starting. This is particularly important when replacing electronics after major failures or engine modifications.

Product condition and service application

The offered set comes from the used parts segment, making it an attractive alternative to new components, especially for older generations of BMW 1 and 3 Series. This type of solution is often chosen by workshops specializing in automotive electronics that are looking for components with a favorable price-to-functionality ratio. Before installation, a standard diagnostic procedure and verification of compatibility with the specific vehicle configuration are recommended to ensure stable operation of the engine control system and the immobilizer. A properly selected and correctly installed kit allows for the effective restoration of vehicle performance after damage to the original controller or CAS module.

More about BMW electronics and dismantled parts

If you want to better understand how to take care of electronic modules in BMW 3 and 5 Series, including the engine controller or iDrive system, and how to safely use dismantled parts, it is worth checking out the guide: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models. The article discusses practical aspects of electronics servicing and may also be helpful when planning work related to replacing the DME controller. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as engine controllers, comfort modules, or light controllers, check out the available parts in the BMW electronic control modules and ECUs category.