how to fix the P0302 code on my BMW X5 G05 (2019-2024)?

Solution

1. Preparation

• Gather the necessary tools and parts.
• Disconnect the vehicle battery to ensure safety.
• Allow the engine to cool before starting work.

2. Inspect and Replace Spark Plug

• Remove the ignition coil covering cylinder 2.
• Use a spark plug socket to remove the spark plug from cylinder 2.
• Inspect the spark plug for wear or carbon buildup; replace if necessary.
• Torque the new spark plug to the manufacturer's specification (typically around 20 Nm).

3. Inspect and Replace Ignition Coil

• Remove the ignition coil from cylinder 2 after the spark plug is addressed.
• Inspect for cracks or corrosion; replace if damaged.
• Install the new ignition coil and ensure it is seated properly.

4. Test and Clean Fuel Injector

• Disconnect the fuel injector connector for cylinder 2.
• Perform a resistance test on the injector (should be within manufacturer specifications).
• If necessary, use a fuel injector cleaner or replace the injector if it is clogged or faulty.

5. Compression Test (if necessary)

• Remove the spark plug from cylinder 2 and connect the compression gauge.
• Crank the engine and read the compression value; it should meet the manufacturer's specifications.
• If compression is low, further inspection of valves or piston rings may be required.