[Vehicle Core Information] VIN: WBAJB9C57JB035499 Mileage: 50,431 miles (reasonable usage mileage, M performance components in stable maintenance condition, V8 twin-turbo powertrain shows no significant wear, mature vehicle condition balancing performance and daily usability) Model: M550I XDRIVE SEDAN 4D (M performance series executive-level four-door sedan, XDRIVE all-wheel drive version, combines V8 performance power with luxury executive space, ideal choice for both performance enthusiasts and business needs) [Power and Drive] Engine: V8 Twin-Turbo, 4.4L (M-exclusive tuned V8 engine, twin-turbo delivers immense power reserve, strong 0-60 mph acceleration performance, deep, rich, and penetrating engine sound, continuous power delivery at high RPM range, a 'performance beast' among executive sedans) Drive Type: Full-time AWD (XDRIVE AWD, M sport-tuned, precise and flexible power distribution, effectively suppresses wheel slip during hard acceleration, excellent cornering tracking, maximizes stability on slippery surfaces, retains rear-wheel drive handling pleasure while enhancing all-weather safety) Transmission: Automatic Transmission (8-speed M Sport transmission, extremely fast shift speed, aggressive downshift throttle-blipping logic, paddle-shift manual mode supported, perfectly synchronized shift rhythm and power delivery during spirited driving, yet offers smooth mode for daily commuting, balancing excitement and comfort) [Fuel Efficiency] City Driving: 16 MPG Highway Driving: 25 MPG (typical fuel consumption for a V8 high-performance executive sedan, a reasonable trade-off for ultimate power output, prioritizing driving passion and performance experience, suitable for buyers with high power demands) [Exterior and Interior] Exterior Color: BLUESTONE METALLIC (Bluestone Metallic paint, deep and unique, blue tone with premium metallic luster, paired with M550i exclusive sport package (large intake grille, sport body kit, quad exhaust tips), exudes the dignified presence of an executive sedan while revealing the aggressive edge of a performance car, maximum visual recognition) Interior Color: BLACK (all-black interior, classic and dirt-resistant, combined with M-exclusive elements (M sport steering wheel, metal pedals, carbon fiber trim, sport seats), blends luxury materials with sporty ambiance, satisfies both executive-level elegance for business occasions and ignites driving desire, easy to maintain for daily use) Wechat: carbeeco13