MacBook Pro (16-inch, 2021) Battery Management Unit Flex Cable

Before You Begin

Warning

Read Battery Safety and follow workspace and battery handling guidelines before you begin.

Remove the following part before you begin:

Tools

  • ESD-safe tweezers

  • Nylon probe (black stick)

Removal

Important: Replace the BMU flex cable if it’s damaged.

  1. Fold back the trackpad flex cable to access the BMU flex cable.

  2. Peel back the polyester film tab from the locking lever of the BMU flex cable.

  3. Use the black stick to flip up the locking lever of the BMU flex cable connector.

  4. Use ESD-safe tweezers to gently slide the end of the BMU flex cable out of the connector.

Reassembly

  1. Use ESD-safe tweezers to slide the end of the BMU flex cable into the connector.

  2. Use the black stick to flip down the locking lever on the BMU flex cable connector.

  3. Press the polyester film tab over the connector.

Reinstall the following part to complete reassembly:

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