How to Take an Alternator out of a 94 BMW


1. Lift the hood.
2. Disconnect the negative and positive cables from their terminals on the car battery with a wrench or ratchet.
3. Take the alternator out of its harness using your hands.
4. Remove the bolts from the electrical connections with a ratchet.
5. Release the locking bolt on the belt-tensioning device near the middle of the engine.
6. Rotate the tensioning device with the breaker bar and a socket until the serpentine belt loosens considerably.
7. Remove the serpentine belt from the alternator pulley using your hands.
8. Unbolt the alternator from its mount with the wrench or ratchet.
9. Remove the alternator from the engine mount using your hands.