1. Product Overview
The BMW 12-52-7-510-638 Integrated Supply Module (ISM) is a genuine Original Equipment Manufacturer (OEM) component designed to manage and distribute electrical power within your BMW vehicle. This module is crucial for the proper functioning of various electrical systems, ensuring reliable performance and compatibility with your vehicle's existing architecture. As an OEM part, it is engineered to meet the exact specifications and quality standards set by BMW.



2. Specifications
Key technical specifications for the BMW 12-52-7-510-638 Integrated Supply Module:
| Feature | Detail |
|---|---|
| Brand | BMW |
| Model Number | 12-52-7-510-638 |
| Item Weight | 11.2 ounces |
| Package Dimensions | 5.5 x 5.5 x 2.5 inches |
| Manufacturer Part Number | 12-52-7-510-638 |
| Exterior Finish | Smooth |
| First Available Date | September 8, 2014 |
3. Installation (Setup)
The BMW Integrated Supply Module is a direct-fit OEM component. Installation typically involves accessing the vehicle's electrical system. Due to the complexity of modern vehicle electronics, professional installation by a certified BMW technician is highly recommended to ensure correct fitment and functionality, and to prevent potential damage to the vehicle's electrical systems.
Key Installation Considerations:
- Safety First: Always disconnect the vehicle's battery before beginning any electrical work.
- Location: The ISM is typically located in a specific area within the vehicle's electrical compartment. Consult your vehicle's service manual for the exact location.
- Connector Integrity: Ensure all electrical connectors are clean, free of corrosion, and securely fastened.
- Direct Fit: This genuine OEM part is designed for a precise fit, eliminating the need for modifications.


4. Operation
The Integrated Supply Module operates as a central component in the vehicle's electrical distribution network. It regulates power supply to various systems, including lighting, ignition, and other critical electronic components. Its primary function is to ensure stable and efficient power delivery, contributing to the overall electrical health and performance of the vehicle. The module continuously monitors electrical loads and conditions, adapting power distribution as needed.
Once correctly installed, the ISM functions automatically as part of the vehicle's integrated electrical system, requiring no direct user interaction for its operation.
5. Maintenance
As an internal electrical component, the BMW Integrated Supply Module typically requires no routine user maintenance. However, periodic inspection during vehicle servicing can help ensure its longevity and proper function.
Maintenance Recommendations:
- Visual Inspection: During routine vehicle maintenance, a technician can visually inspect the module and its connections for any signs of physical damage, corrosion, or loose wiring.
- Environmental Factors: Ensure the module's mounting location remains dry and free from excessive heat or moisture, which can degrade electrical components over time.
- Software Updates: In some cases, vehicle software updates performed by a BMW service center may include firmware updates relevant to electrical modules, optimizing their performance.
6. Troubleshooting
If your vehicle experiences electrical issues, the Integrated Supply Module could be a contributing factor. Symptoms of a malfunctioning ISM may include:
- Difficulty starting the vehicle or intermittent no-start conditions.
- Battery not charging correctly or frequent battery discharge warnings.
- Malfunction codes related to electrical system components.
- Erratic operation of electrical accessories (e.g., windows, convertible top, lighting).
If you suspect an issue with your Integrated Supply Module, it is strongly recommended to have your vehicle diagnosed by a qualified BMW service technician. They possess the specialized diagnostic tools and expertise to accurately identify the root cause of electrical problems and perform necessary repairs or replacements.
7. What's in the Box
The package for the BMW 12-52-7-510-638 Integrated Supply Module typically contains:
- One (1) BMW Integrated Supply Module (Part Number: 12-52-7-510-638)

8. Warranty and Support
As a genuine BMW OEM part, this Integrated Supply Module is covered by BMW's standard parts warranty. For specific warranty terms, conditions, and duration, please refer to the official BMW warranty documentation provided with your vehicle or contact an authorized BMW dealership.
For technical support or assistance with installation and troubleshooting, it is recommended to consult an authorized BMW service center or a qualified automotive technician specializing in BMW vehicles.
You can find more information about BMW genuine parts and services by visiting the official BMW Store.





