10 Minute BMW Battery Replacement & Registration!

2 min read 6 months ago
Published on Apr 21, 2024 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

How to Replace and Register a Battery on a BMW

Step 1: Gather the Necessary Equipment

  • Ensure you have the following equipment:
    • AGM battery with the same reserve capacity or amp power rating as your current battery
    • 10mm socket wrench
    • Cloth to cover the trunk area
    • Laptop with appropriate software
    • OBD2 adapter for your cell phone or tablet

Step 2: Disconnect the Old Battery

  1. Locate the battery in the trunk of your BMW.
  2. Place a cloth over the battery to prevent any accidents.
  3. Use a 10mm socket wrench to loosen and remove the negative terminal connector on top of the battery.
  4. Repeat the process for the positive terminal connector.

Step 3: Remove the Old Battery

  1. Carefully lift and remove the old battery from the trunk of your BMW.

Step 4: Install the New Battery

  1. Place the new AGM battery in the same position as the old battery.
  2. Connect the positive terminal connector first, followed by the negative terminal connector using the 10mm socket wrench.

Step 5: Register the New Battery Using a Laptop

  1. Connect your laptop to the OBD2 adapter in your BMW.
  2. Open the appropriate software on your laptop (e.g., MHD).
  3. Navigate to the battery registration section (e.g., F5 for PM IBS).
  4. Select the option to register the new battery.
  5. Verify that the registration process was successful.

Step 6: Verify Battery Registration

  1. Check the software to confirm that the new battery has been successfully registered.
  2. Ensure that all information regarding the battery change is recorded accurately.

Step 7: Additional Information

  • This process is specifically tailored for BMW models such as the 335i, 135i, or 535i.
  • Ensure you have the necessary cables or wireless adapters for the registration process.
  • Consider using tools like Carly for turbo cars for a simpler registration process.

By following these steps, you can efficiently replace and register a new battery in your BMW, ensuring optimal performance and longevity.