BMW 328i xDrive transfer case oil wear issue following fluid replacement and ECU reset on BMW 328i xDrive

Some BMW 328i xDrive owners report experiencing transfer case oil wear issues following fluid replacement and ECU reset. These issues often arise if the transfer case adaptations are not reset, which is crucial for proper functioning. Additionally, owners may encounter problems if the transfer case fluid is not refilled with genuine BMW gear oil until it drips out of the fill hole, particularly if the vehicle is not level during this process, leading to potential underfilling and premature transfer case failure. Some owners also report receiving "Oil Wear" fault codes, which can be avoided by resetting the VTG (Variable Torque Management) system using ISTA+ after fluid changes. Symptoms such as hesitation during acceleration and jerking under moderate to hard acceleration may indicate underlying transfer case problems that should be addressed promptly, especially if the vehicle is still under warranty.