BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631

BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery is a component from the Electronic control modules and controllers group, designed for the high-voltage system in the hybrid version of the BMW 3 Series. It is responsible for the stable power supply of electric drive components and cooperation with the vehicle's factory electronics, ensuring predictable operation of the entire hybrid system. This is a solution for users looking for a proven component with factory performance characteristics.

Specifications and technical data

• SKU: 8677631
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8677631
• Substitutable numbers: 61258677631, 8677631
• Category: ECUs & Computer Modules

Purpose and function in the hybrid system

The presented traction battery is dedicated to the hybrid drive in the BMW 3 Series F30 LCI generation model with the B48X unit in the 330e version. As an element from the Electronic control modules and controllers category, it works with the energy management system, drive controllers, and other onboard electronics, being responsible for energy storage and its transfer to the electric motor.

A correctly selected high-voltage battery allows for maintaining the factory operating parameters of the hybrid drive, including smooth switching between electric and combustion modes, as well as stable operation of driver assistance systems.

Benefits of using an original BMW module

Using an original BMW solution in the hybrid power supply area reduces the risk of software compatibility issues and communication problems on the vehicle bus. The module is designed to work with factory controllers, which helps maintain the consistency of the vehicle's configuration and facilitates subsequent service diagnostics.

For workshops and users, this means:

• predictable behavior of the hybrid system after installation,
• easier adaptation within standard BMW service procedures,
• maintaining operating characteristics in accordance with the manufacturer's specifications.

Product characteristics and condition

The offered hybrid battery is a used component, which allows for economical vehicle repair while maintaining the original design. This type of component is particularly useful for replacements resulting from mechanical damage, high-voltage system errors, or the need to restore functionality after a collision.

Due to the nature of high-voltage systems, installation by a service center with experience in BMW hybrid drives is recommended, in compliance with safety procedures and using appropriate diagnostic tools.

Selection by numbers and vehicle integration

The selection of a hybrid battery for a specific BMW F30 LCI 330e unit should be based on the OEM part number and interchangeable numbers, as well as verification by VIN. Such an approach minimizes the risk of hardware or software incompatibility and facilitates correct integration with the existing electrical installation.

In case of doubt, it is worth using BMW service documentation or the support of a specialized workshop to ensure that the selected module will work with the current configuration of controllers in the vehicle.

Substantive support and additional information

If you are planning a comprehensive repair or upgrade of the hybrid drive electronics area in your BMW and need other elements from the same group, such as energy management controllers, powertrain ECU modules, or auxiliary system controllers, check the available parts in the BMW Electronic control modules and controllers category.

When selecting and installing used electronic components, including hybrid batteries and controllers, the Global Parts guide will be helpful – it discusses in detail selection by VIN and OEM numbers, hardware and software compatibility issues, and practical aspects of installation. More information can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.