BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox

BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Manual Gearbox is a complete engine control set designed for selected 1 and 3 Series models with the N46 129HP engine and manual transmission. The set includes a DME controller, a 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 full functionality to their BMW's engine electronics.

Specifications and technical data

• SKU: 7561834-11
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561834
• Substitutable numbers: 12147561834, 7561834, 12147565300, 7565300, 12147565301, 7565301, 12147557290, 7557290, 12147557930, 7557930, 0261201159, 61356943791, 6943791
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Application and compatibility with BMW models

The presented ECU kit is intended for BMW 1 Series E87 118i and BMW 3 Series E90/E91 318i vehicles equipped with the N46 129HP engine and a manual transmission. The set includes components from the Electronic control modules and controllers group, allowing for a consistent replacement of key components responsible for starting, key authorization, and engine management. This makes it possible to restore proper communication between the engine controller, the immobilizer module, and the key in the vehicle.

Construction of the ECU KIT DME CAS2 set

The set includes a DME controller responsible for engine management, a CAS2 module acting as an anti-theft security feature, and a matched key that works with this module. This configuration ensures data consistency between all elements, which in practice reduces the risk of starting problems after installation. The set is particularly useful in situations where the existing controller has suffered electronic damage or there are issues with immobilizer and key synchronization.

Benefits of using a complete controller set

Using a complete ECU KIT offers a number of practical advantages for both the service center and the user:

• consistency of DME, CAS2, and key components, which facilitates the adaptation process in the vehicle,
• reduction of the need for deep programming from scratch,
• possibility of faster diagnostics and vehicle startup after an electronic failure,
• better control over the starting system and anti-theft security.

For workshops specializing in the BMW brand, such a set is a convenient service solution, allowing for reduced repair time and a lower number of potential error points in the electronic system.

Product characteristics and condition

The offered set comes from dismantling and has the status of a used item, which is important when planning a repair budget. A used set of controllers is a sensible choice for older generations of BMW, where the cost of new components can be disproportionately high relative to the vehicle's value. The set is designed for use with a manual transmission, which is why it will work particularly well in cars that have retained their original drivetrain configuration.

Technical support and knowledge about BMW modules

If you want to better understand how BMW engine controllers, comfort modules, and iDrive multimedia systems work, as well as how to safely use parts from dismantling, it is worth reaching for specialized materials. Practical tips on diagnostics and electronics repair in the 3 and 5 Series 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 parts from dismantling?, which will help you better plan service work and avoid common mistakes.

Solutions for manual transmissions and drivetrain systems

In vehicles with a manual transmission, a correctly selected ECU kit is crucial for the smooth cooperation of the engine controller with the drivetrain. Proper parameter configuration allows for stable idling, correct reactions to clutch engagement, and predictable car behavior during dynamic driving. For those interested in a broader look at the subject of transmissions and the selection of used drivetrain components, the guide Transmission: manual, automatic or DSG – typical faults and a guide to buying a used gearbox may be helpful, as it discusses the differences between designs and practical aspects of purchasing components from the secondary market.

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