2021 BMW X7 Vehicle Speed Control Problems

The vehicle experiences a recurring drivetrain shuddering or slipping sensation at low speeds, especially when accelerating from a stop or while cornering. The issue originates from the transfer case, which has been identified as the malfunctioning component. The transfer case was previously serviced according to the manufacturer's official technical bulletin, but the problem returned after the prescribed post-repair evaluation period. The condition compromises vehicle stability and creates a potential safety risk, particularly when merging into traffic, turning at intersections, or navigating tight spaces — where unexpected hesitation or loss of traction can lead to a collision. The issue has been confirmed by authorized dealership technicians, and acknowledged by service personnel as a commonly recurring defect in this vehicle model. The manufacturer has not issued a recall but has documented the issue in an official service bulletin. The component is still installed in the vehicle and available for inspection upon request....