Transfer Box: ATC45L BMW Part Number: 27108643151 Part Number: 8643151 Type: ATC45L Transfer Box Model: X5 F15 M50d Year: 2017 Engine Code: N57D30C / N57X Power Output: 280 kW (381 HP) Drive Type: xDrive AWD Transmission: Automatic Mileage: 79,000 km