BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME 7552176 CAS2 + Key Manual

BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME CAS2 + Key Manual is a specialized component from the Electronic control modules and controllers category, responsible for advanced management of comfort and safety functions in BMW vehicles with the N46 engine. The CAS module works with the vehicle's electrical system and ignition system, ensuring consistent operation of electronic systems in cars equipped with a manual transmission.

Specifications and technical data

• SKU: 7552176-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7552176
• Substitutable numbers: 12147552177 12147552176 12147550535, 12147550534 12147545043 12147545042, 12147531846, 7531846, 12147557291, 7557291, 7552177 7552176 7550535, 7550534 7545043 7545042, 61356943771, 6943771, 0261208582, 0 261 208 582
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the CAS module

The presented CAS computer is dedicated to BMW 1 Series E87 and 3 Series E90 and E91 models with the N46 unit, where it acts as the central module responsible for ignition authorization, key handling, and integration with other controllers in the vehicle. As an item from the Electronic control modules and controllers category, it works with the vehicle's CAN bus, coordinating data exchange between key systems. This ensures the consistency of comfort, security, and engine start-up systems.

Drivetrain compatibility

The module has been designed to work with a manual transmission, which is important when selecting a controller for a specific vehicle configuration. Proper matching to the transmission type helps avoid communication issues between controllers and minimizes the risk of errors in the operation of electronic systems. Correct selection of the CAS module for the drivetrain version is crucial during ignition system repairs, controller replacements, or adaptation of a used component.

Benefits of using an original BMW module

Using an original CAS module in a BMW E87, E90, or E91 allows for maintaining the factory logic of electronic systems and the consistency of the vehicle configuration. A used component of this type is often chosen for:

• repairs after ignition system failure or problems with key authorization,
• replacing a damaged controller with a fully compatible module,
• service work related to vehicle electronics when matching to a specific generation of controllers is required.

By maintaining compatibility with the BMW electrical architecture, such a CAS computer facilitates work for workshops specializing in the brand and speeds up the diagnostic and programming process.

Application in service practice

In BMW E87, E90, and E91 series vehicles, the CAS module is one of the central points of the electronic system, which is why its proper operation has a direct impact on engine starting, key handling, and communication with other controllers. When replacing with a used component, it is important that it comes from the same family of solutions and is intended for use with a manual transmission, which increases the chances of seamless adaptation in the vehicle. This type of component is particularly useful for complex electronics repairs when it is necessary to restore the original system configuration.

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

Support with knowledge and part selection

When working with advanced electronics of premium vehicles, such as BMW or Audi, it is crucial to understand the role of individual controllers and the importance of original components. If you are interested in how properly selected modules and other electronic elements help maintain the character of premium class cars, it is worth checking out the guide Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?, which shows the importance of proper selection of original components in modern cars.