how to replace the spark plugs on my BMW X3 F25 (2011-2018)

Safety Warnings

• ⚠Safety Warnings:**
• ⚠Disconnect the battery before starting work.
• ⚠Allow engine to cool before accessing spark plugs.
• ⚠Remove the bolts securing the engine cover using a 10mm socket.
• ⚠Carefully lift the engine cover off and set it aside.
• ⚠Locate the ignition coils on top of the engine.
• ⚠Disconnect the electrical connectors from each ignition coil by pressing the release tab and pulling upwards.
• ⚠Remove the bolts securing each ignition coil using a 10mm socket.
• ⚠Gently pull each ignition coil out of the spark plug tube.
• ⚠Use a spark plug socket and ratchet to carefully unscrew each spark plug from the engine.
• ⚠Inspect old spark plugs for wear and damage.
• ⚠Apply a small amount of dielectric grease to the threads of the new spark plugs to ensure a proper seal and prevent corrosion.
• ⚠Hand-tighten the new spark plugs into the engine to avoid cross-threading.
• ⚠Use a torque wrench to tighten the spark plugs to the manufacturer’s recommended torque specification (typically around 22 ft-lbs).
• ⚠Place each ignition coil back into its respective spark plug tube.
• ⚠Secure each ignition coil with the bolts using a 10mm socket.
• ⚠Reconnect the electrical connectors to each ignition coil until they click into place.
• ⚠Place the engine cover back on and secure it with the bolts removed earlier using a 10mm socket.
• ⚠Reconnect the battery and start the engine.
• ⚠Monitor for any check engine light illumination.
• ⚠Take the vehicle for a test drive to check for smooth acceleration and idle.
• ⚠Use the OBD-II scanner to verify that no misfire codes are present.
• ⚠Follow the manufacturer's maintenance schedule for spark plug replacement.
• ⚠Use high-quality spark plugs recommended for your vehicle.
• ⚠Regularly inspect ignition components for wear.
• ⚠Address any engine performance issues promptly to prevent additional damage.