why does my BMW X5 F15 (2014-2019) shudder when accelerating

Solution

1. Preparation

• Gather tools and parts.
• Ensure the vehicle is parked on a level surface and securely raise it on jack stands if necessary.

2. Inspect Engine and Transmission Mounts

• Sub-steps:
  1. Remove any underbody covers if needed.
  2. Visually inspect engine and transmission mounts for cracks or separations.
  3. Use a pry bar to check for excessive movement in the mounts.
• Tools Required: Pry bar, flashlight.

3. Inspect Driveshaft and Universal Joints

• Sub-steps:
  1. Check the driveshaft for signs of damage or corrosion.
  2. Rotate the driveshaft to inspect the universal joints for any play or binding.
  3. If damaged, replace the driveshaft or universal joints as necessary.
• Tools Required: Socket set, torque wrench.

4. Change Transmission Fluid

• Sub-steps:
  1. Locate the transmission drain plug and remove it to drain old fluid.
  2. Replace the transmission filter if applicable.
  3. Refill the transmission with the appropriate fluid type (refer to the owner's manual for specifications) using a funnel.
• Tools Required: Socket set, funnel.

5. Replace Spark Plugs and Ignition Coils

• Sub-steps:
  1. Remove the engine cover if necessary.
  2. Disconnect the ignition coils and remove them.
  3. Remove the spark plugs using a spark plug socket.
  4. Install new spark plugs to the manufacturer’s torque specification.
  5. Reinstall the ignition coils.
• Tools Required: Spark plug socket, torque wrench.