my BMW 5 Series F10/F11 (2010-2017) has a loud knocking noise what does it mean

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to avoid electrical issues during repairs.

2. Inspect Engine Components

• Tools Required: Socket set, torque wrench, engine stethoscope
• Remove the engine cover to access internal components.
• Inspect the timing chain/belt for wear or looseness.
• Check for loose or damaged intake and exhaust components.
• Tighten any loose bolts to manufacturer specifications.

3. Examine Suspension System

• Tools Required: Jack, jack stands, torque wrench
• Safely lift the vehicle and remove the wheels if necessary.
• Inspect struts and shocks for signs of leaking fluid or damage.
• Check control arms and bushings for wear; replace if necessary.
• Reinstall wheels and lower the vehicle, ensuring all fasteners are torqued to spec.

4. Check Engine Mounts

• Tools Required: Socket set, pry bar
• Inspect engine mounts for cracks or separation.
• If mounts are damaged, remove the old mounts and install new ones according to manufacturer specifications.

5. Oil Change (if necessary)

• Tools Required: Oil filter wrench, oil catch pan, funnel
• If oil is contaminated or low, perform an oil change.
• Replace the oil filter and add new oil of the specified type and quantity.