BMW E87 E90 120i 320i N46 ECU Engine Control Kit DME 7552176 CAS2 Key Manual

BMW E87 E90 120i 320i N46 ECU Engine Control Kit DME CAS2 Key Manual is a complete engine control kit designed for BMW 1 and 3 Series models with the N46 engine and manual transmission. The kit includes the DME engine control unit, CAS2 module, and a matched key, which facilitates professional control system replacement without the need for time-consuming programming from scratch. This is a practical solution for workshops and users who want to restore proper engine operation after an electronics failure.

Specifications and technical data

• SKU: 7552176-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7552176
• Substitutable numbers: 12147557291, 7557291, 12147552177, 7552177, 12147552176, 7552176, 12147550535, 7550535, 12147550534, 7550534, 12147545043, 7545043, 12147545042, 7545042, 12147531846, 7531846, 0261208582, 0 261 208 582, 61356964051, 6964051
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Application and function of the engine control kit

The presented ECU DME kit with the CAS2 module and key is intended for BMW vehicles with the N46 engine and manual transmission, such as selected 120i and 320i versions. Combining the engine controller with the start authorization module and a matched key allows for consistent management of the powertrain, immobilizer, and vehicle start functions. This enables efficient replacement of a damaged control set without the need for tedious matching of individual components.

Benefits of using the complete DME + CAS2 + key kit

Using a complete engine control kit brings a number of practical benefits in daily service work:

• consistency of components responsible for starting and engine operation,
• reduction of the risk of conflicts between the controller and the CAS2 module,
• possibility of faster diagnostics and vehicle startup after replacement,
• easier restoration of factory operating parameters for the N46 unit.

For workshops specializing in the BMW brand, such a kit is an effective service tool, allowing for shorter repair times and reducing the number of potential coding issues.

Technical characteristics in the context of manual transmission

The presented kit is configured for a manual transmission, which is significant for the engine controller's logic, ignition maps, idle speed strategies, and cooperation with other vehicle modules. Proper matching of the transmission type is crucial to avoid communication errors with other controllers and incorrect powertrain responses.

For BMW E87 and E90 vehicles with the N46 engine, using a controller designed for a manual transmission allows for maintaining the correct operation of functions related to clutch handling, throttle response, and idle stability under various load conditions.

Professional application in BMW service and automotive electronics

The complete ECU DME kit with the CAS2 module and key is particularly useful in situations where there has been damage to the engine controller, problems with the immobilizer, or failed programming attempts. This type of kit allows for:

• restoring start functions in vehicles after electronics failure,
• limiting the need for deep software intervention,
• maintaining high compatibility with BMW's factory electrical architecture.

For users and workshops dealing with automotive electronics, this is a practical service solution that facilitates the maintenance of BMW 1 and 3 Series models with the N46 engine.

BMW electronic control modules and controllers – expansion and selection

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as engine controllers, comfort modules, or light control modules, check the available parts in the BMW electronic control modules and controllers category.

More about repairing BMW controllers and modules

To better plan the repair of electronics in your car, it is worth familiarizing yourself with practical tips regarding working with used BMW modules, their diagnostics, and safe installation. Detailed information on using dismantled parts, including engine controllers and comfort modules in 3 and 5 Series models, can be found in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using dismantled parts?

Summary

BMW E87 E90 120i 320i N46 ECU Engine Control Kit DME CAS2 Key Manual is a functional, complete engine control kit designed for BMW vehicles with the N46 unit and manual transmission. The combination of the DME controller, CAS2 module, and key enables efficient replacement of a damaged system, facilitates diagnostics, and allows for restoring proper engine operation in accordance with the manufacturer's specifications.