BMW automatic transmission torque converter malfunctions
1. Slippage
* Reduced traction and increased engine speed
* Sticky or slow response when shifting gears
* Vibrations or hum when accelerating
2. Blocking
* Grinding or grinding noise when shifting gears
* Problems with gear shifting
* Inability to turn gear on or off
3. Pollution
*Slipping or blocking due to clogged automatic transmission fluid
* Worn or damaged torque converter components
* Automatic transmission fluid leaks
4. Bearing wear
* Bearing noise or vibration
* Reduced torque converter life
* Damage to other automatic transmission components
5. Wear of seals
* Automatic transmission fluid leaks
*Slipping or blocking due to loss of pressure
* Premature wear of other automatic transmission components
6. Fluid leaks
* Visible automatic transmission fluid leaks
*Low fluid level and shifting problems
* Accelerated wear of automatic transmission components
7. Overheating
* Burning smell or smoke
* Reduced automatic transmission performance
* Damage to automatic transmission components
Causes of torque converter malfunctions:
*Normal wear and tear
*Overheating due to low fluid level or faulty oil cooler
* Contamination from old automatic transmission fluid or worn components
* Incorrect torque when tightening bolts
*Accidents or collisions