my BMW 5 Series won't go into gear, what should I check?

Solution

1. Preparation

• Ensure the vehicle is parked on a level surface and the engine is off.
• Gather tools: OBD-II scanner, socket set, fluid catch pan, and safety gloves.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Raise the vehicle using a jack and secure it with jack stands.
  2. Locate the transmission fluid dipstick or drain plug.
  3. Remove the dipstick or drain plug and check the fluid level and condition.
  4. If low or contaminated, drain the old fluid into a catch pan and replace it with new fluid as specified in the owner's manual.
  5. Replace the dipstick or drain plug and ensure it is securely tightened.

3. Inspect and Replace the Clutch (if applicable)

• Sub-steps:
  1. Disconnect the battery to prevent electrical shorts.
  2. Remove the transmission from the vehicle following the manufacturer’s service manual instructions.
  3. Inspect the clutch disc and pressure plate for wear or damage.
  4. Replace the clutch assembly if worn, ensuring to align it properly during installation.
  5. Reassemble the transmission and reconnect the battery.

4. Test Transmission Range Sensor

• Sub-steps:
  1. Locate the transmission range sensor and inspect its wiring and connector for any damage.
  2. Use a multimeter to test the sensor according to the manufacturer's specifications.
  3. Replace the sensor if it fails to meet specifications.