how to fix BMW X5 G05 (2019-2024) torque converter shudder?

Solution

1. Preparation

• Gather tools and parts required for the procedure.
• Ensure the vehicle is parked on a level surface and engage the parking brake.
• Disconnect the battery to prevent electrical shorts.

2. Fluid Change

• Tools Required: Transmission fluid pump, socket set, new transmission fluid.
• Remove the transmission drain plug and drain the old fluid into a suitable container.
• Replace the drain plug and refill the transmission with new, manufacturer-recommended transmission fluid.
• Start the engine and cycle through the gears to ensure proper fluid circulation, checking levels and topping off as necessary.

3. Torque Converter Replacement (if needed)

• Tools Required: Socket set, torque wrench, jack stands, transmission jack.
• Remove the drive shaft or axle assembly to access the torque converter.
• Unbolt the torque converter from the flex plate and carefully remove it from the transmission.
• Install the new torque converter, ensuring it is properly seated against the transmission pump.
• Reattach the flex plate and any previously removed components.

4. TCM Software Update

• Tools Required: OBD-II scanner with programming capabilities.
• Connect the OBD-II scanner to the vehicle and check for any available software updates for the TCM.
• Follow the manufacturer's instructions to update the TCM software, if applicable.

5. Reassembly and Final Checks

• Reassemble any components that were removed during the process.
• Reconnect the battery and clear any diagnostic codes from the system.
• Perform a test drive to ensure that the shudder has been resolved.