my BMW X3 G01 (2018-2024) has CVT overheating issues what should I do

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 prevent electrical issues during repairs.

2. Inspect and Replace CVT Fluid

• Sub-steps:
  1. Remove the CVT fluid drain plug using a socket set and drain the old fluid into a pan.
  2. Replace the drain plug and torque it to the manufacturer's specifications (usually around 20 Nm).
  3. Remove the fill plug and add new CVT fluid (ensure it meets BMW specifications) using a funnel.
  4. Check fluid levels, ensuring they are within the recommended range.
• Tools Required: Socket set, funnel, fluid transfer pump.

3. Inspect and Clean Transmission Cooler

• Sub-steps:
  1. Locate the transmission cooler and visually inspect for debris or blockages.
  2. Remove any obstructions and clean the cooler using compressed air.
  3. Check the hoses for cracks or leaks and replace if necessary.
• Tools Required: Compressed air, pliers.

4. Install Transmission Temperature Gauge (Optional)

• Sub-steps:
  1. Identify a suitable location for the gauge inside the cabin.
  2. Connect the sensor to the transmission line following manufacturer guidelines.
  3. Route the wiring safely to the gauge and secure it.
• Tools Required: Wiring harness, electrical connectors.