Replacing a car battery isn’t just about swapping out the old one. Modern BMWs require battery registration to ensure optimal performance and longevity. This process involves informing the vehicle’s computer system about the new battery’s specifications. This guide utilizes Autel diagnostic tools, specifically focusing on the battery replacement terminal function, to walk you through the registration process for various BMW models, including E90, E60, E63, E87, and more. While we’ll use a 2005 BMW 3 Series E91 325i N52 with an Autel DS808 as an example, the process is largely similar across Autel’s MaxiCOM MK808, MaxiDAS DS808K, MaxiPRO MP808, and MP808K scanners.
Registering Your BMW Battery with an Autel Scanner
The process begins by connecting your Autel diagnostic tool to the vehicle’s OBD-II port. Once connected, follow these steps:
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Navigate to the Battery Management System (BMS): On the Autel device, select Service > BMS > VIN. The system will automatically detect the vehicle identification number (VIN). Confirm the VIN and proceed.
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Access Battery Registration: Select “Yes” when prompted, then navigate to Hot functions > Register the battery replacement. This will bring you to the battery registration menu.
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Initiate Registration: Select “F2” to start the registration process. The system will then ask a series of questions about the new battery.
Providing Battery Information
Accurately answering these prompts ensures the system correctly configures itself to the new battery. Here’s a breakdown of the typical questions:
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Battery Capacity: Choose the option that matches your new battery’s capacity:
- F1: Same capacity as the old battery.
- F2: Higher or lower capacity than the old battery.
- F3: Change from a standard lead-acid battery to an AGM battery.
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Original Component: Indicate whether the new battery is an original BMW part or an aftermarket replacement.
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Data Matrix Code: If your new battery has a scannable data matrix code, the Autel can read it for automatic input of battery specifications. If not, select “No.”
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Supplier Number and Terminal Stamp: Similarly, if the battery label has a supplier number and terminal stamp, you can input this information. Otherwise, select “No.”
Completing the Registration
After answering the prompts, the Autel will begin communicating with the vehicle’s Engine Control Unit (ECU), also known as the DME (Digital Motor Electronics) or DDE (Digital Diesel Electronics).
The system will confirm the successful input of the battery replacement data and update the vehicle’s date and time. Once the process is complete, you’ll receive a “Service functions completed” message.
By following these steps, you can effectively register your new battery using an Autel diagnostic scanner, ensuring your BMW functions optimally. The Autel Car Battery Replacement Terminal function simplifies this often-overlooked but critical step in car maintenance.
