my BMW 5 Series won't start and just clicks what should I do

Solution

1. Preparation

• Tools Required: Socket set, multimeter, battery terminal cleaner, load tester
• Disconnect the negative battery terminal to ensure safety before starting work.

2. Battery Replacement (if required)

• Sub-steps:
  1. Remove the negative terminal first, then the positive terminal from the old battery.
  2. Remove any securing hardware and lift the battery out of the tray.
  3. Clean the battery tray and terminals using a battery terminal cleaner.
  4. Install the new battery by placing it in the tray and securing it with hardware.
  5. Connect the positive terminal first, followed by the negative terminal.

3. Starter Motor Replacement (if required)

• Sub-steps:
  1. Disconnect the negative battery terminal again for safety.
  2. Remove any components obstructing access to the starter motor (e.g., heat shield).
  3. Unplug the electrical connector from the starter motor.
  4. Remove the mounting bolts securing the starter motor to the engine.
  5. Carefully remove the starter motor from its position.
  6. Install the new starter motor by reversing the removal steps and ensuring all connections are secure.