BMW F10 F20 F21 F30 F31 LCI SCR Control Module ECU Unit 7488140

The BMW F10 F20 F21 F30 F31 LCI SCR ECU Control Module is an original part from the Electronic Control Modules and Controllers category, designed for the selective catalytic reduction system in selected LCI facelift BMW F-series models. The used control unit ensures factory logic for the SCR system, allowing for correct exhaust emission control and stable engine operation. This is a solution for users seeking a proven OEM component while maintaining reasonable repair costs.

Specifications and technical data

• SKU: 7488140
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7488140
• Substitutable numbers: 16197488140, 7488140, 16197432800, 7432800
• Category: ECUs & Computer Modules

Purpose and Function of the SCR ECU Module

The SCR ECU control module is responsible for managing the nitrogen oxide reduction system in LCI facelift BMW F-series cars. It controls, among other things, the dosing of the agent in the exhaust system, cooperation with sensors, and communication with the main engine control unit. This ensures the vehicle remains compliant with emission standards and maintains stable drive parameters.

A properly selected SCR ECU control unit allows you to:

• restore full functionality of the exhaust gas purification system after the factory module fails,
• maintain the original operating characteristics of the engine and exhaust system,
• minimize the risk of communication errors with other vehicle control units.

Benefits of Using an Original BMW Module

Using an original module from the BMW Electronic Control Modules and Controllers group ensures full compatibility with the vehicle's electrical system and software. The control unit is factory-adapted to work with the electronic architecture of the LCI facelift F10, F20, F21, F30, and F31 models, reducing the need for modifications and additional adaptations.

The main advantages of this solution include:

• consistency with the vehicle's original software,
• proper cooperation with sensors and other control units on the CAN network,
• diagnostics and programming using standard BMW service tools.

Characteristics of a Used Product

The presented SCR ECU module is a used part, which significantly reduces repair costs compared to purchasing a new control unit. At the same time, the original OEM construction is preserved, allowing the component to be integrated into the existing system without interfering with the wiring harness or mounting mechanics.

Choosing a used control unit is particularly beneficial in cases of:

• repairs of vehicles used intensively, where cost/benefit ratio is important,
• the need for a quick replacement of a damaged module while maintaining original specifications,
• post-warranty vehicles where economical repair is a priority.

Selection by Part Numbers and Compatibility

The selection of an SCR ECU module for a specific BMW should be based on the OEM part number and available interchange numbers, as well as vehicle data (model, year, engine version). This helps avoid hardware and software compatibility issues and reduces the risk of diagnostic system errors.

If you want to learn more about safely choosing used control units and sensors, practical selection by part numbers, and programming issues, check out the guide: used automotive electronics – why choose second-hand ECU modules and sensors. The article discusses the process of verifying compatibility and common user questions step by step.

Other BMW Electronic Control Modules and Controllers

If you are also looking for other BMW Electronic Control Modules and Controllers for your car, check out our dedicated offer: BMW Electronic Control Modules and Controllers. You will find a wide selection of OEM components tailored to various models and generations, facilitating comprehensive electronic system maintenance for your vehicle.