how can I fix my BMW X5 F15 (2014-2019) transmission jerking problem

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the parking brake is engaged.
• Disconnect the battery to prevent electrical shorts.

2. Check Transmission Fluid

• Sub-steps:
  1. Remove the transmission dipstick (if applicable) and wipe it clean.
  2. Insert the dipstick back into the tube and remove it again to check fluid level.
  3. If low, add the recommended transmission fluid (refer to owner's manual).
  4. If the fluid is dark or has a burnt smell, consider a transmission fluid change.
• Tools Required: Transmission fluid, funnel, dipstick.

3. Update Transmission Software

• Sub-steps:
  1. Connect the vehicle to a BMW diagnostic tool or appropriate software.
  2. Navigate to the transmission control module section.
  3. Check for any available software updates and follow the prompts to update.
• Tools Required: BMW diagnostic tool.

4. Inspect and Repair Wiring

• Sub-steps:
  1. Locate the transmission wiring harness and inspect for any visible damage.
  2. Repair or replace any damaged wires or connectors.
  3. Secure any loose connections and ensure proper routing of the harness.
• Tools Required: Wire cutters, soldering iron, electrical tape.

5. Reconnect Battery and Test Drive

• Sub-steps:
  1. Reconnect the battery terminals, ensuring they are tight.
  2. Start the engine and allow it to reach operating temperature.
  3. Test drive the vehicle to check if the jerking issue persists.
• Safety Warnings: Ensure battery terminals are connected properly to avoid electrical issues.