how to fix P0302 code in BMW X5 G05 (2019-2024)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to avoid electrical shorts.
• Ensure the vehicle is on a flat, stable surface with the engine cool.

2. Inspect and Replace Spark Plug

• Remove the engine cover if applicable.
• Disconnect the ignition coil connector for cylinder 2.
• Use a socket wrench to remove the ignition coil for cylinder 2.
• Remove the spark plug using a spark plug socket.
• Inspect the spark plug for wear or damage; replace if necessary.
• Install a new spark plug, torque to manufacturer specifications (usually around 20 Nm).
• Reinstall the ignition coil and reconnect the connector.

3. Inspect and Replace Ignition Coil

• If the spark plug is in good condition, inspect the ignition coil for damage.
• Remove the ignition coil for cylinder 2, as previously instructed.
• Replace with a new ignition coil, ensuring proper fit and connection.
• Reinstall the engine cover if applicable.

4. Inspect Fuel Injector

• If misfire persists, inspect the fuel injector for cylinder 2.
• Remove the fuel rail if necessary, disconnecting the fuel lines carefully to prevent spills.
• Check the injector for clogs or electrical issues.
• Replace the injector with a new one if faulty, ensuring proper sealing and connection.

5. Test Drive and Final Check

• Reconnect the battery.
• Start the engine and allow it to reach operating temperature.
• Take the vehicle for a test drive to ensure the issue is resolved.