MacBook Pro (13-inch, M1, 2020) 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. Slightly lift the battery cover to access the BMU flex cable.

  2. Peel the polyester film tab off the locking lever of the BMU flex cable. Then use ESD-safe tweezers to flip up the locking lever (1).

  3. Gently slide the end of the BMU flex cable out of the connector (2).

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 (1). Then slightly lift the battery cover and fold the BMU flex cable back toward the logic board (2).

Reinstall the following part to complete reassembly:

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