Engine Mechanical:
        
        
            Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing components, lubrication system, oil pump, oil pan, seals.
        
     
    
        
            Engine Electrical:
        
        
            Ignition system, starter motor, alternator, battery, engine control unit (ECU), sensors (crankshaft position, camshaft position, knock, MAF, MAP, O2), wiring diagrams, emission control systems.
        
     
    
        
            Fuel System:
        
        
            Fuel pump, fuel injectors, fuel rail, fuel pressure regulator, fuel filter, evaporative emission control (EVAP) system.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, coolant hoses, cooling fan, coolant reservoir, heater core.
        
     
    
        
            Transmission:
        
        
            Automatic transmission (e.g., ZF 6HPxx series), transmission control module (TCM), valve body, torque converter, gear oil specifications, filter replacement, shift solenoid diagnosis.
        
     
    
        
            Driveline:
        
        
            All-wheel drive (xDrive) system, transfer case, front and rear differentials, drive shafts, CV joints, wheel bearings.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, control arms, ball joints, bushings, shock absorbers, struts, springs, adaptive suspension systems (if applicable).
        
     
    
        
            Steering:
        
        
            Power steering system, steering rack, tie rods, steering column, steering angle sensor, power steering fluid.
        
     
    
        
            Brakes:
        
        
            Brake fluid specifications, brake pad replacement, brake rotor replacement, caliper service, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), parking brake.
        
     
    
        
            HVAC:
        
        
            Air conditioning system (refrigerant type, capacity), blower motor, climate control unit, cabin air filter, heater control valves.
        
     
    
        
            Body Interior:
        
        
            Seats, dashboard, door panels, headliner, interior trim, airbags, seat belts, SRS system diagnosis.
        
     
    
        
            Body Exterior:
        
        
            Body panels, doors, hood, tailgate, bumpers, glass, mirrors, door handles, seals.
        
     
    
        
            Electrical Systems:
        
        
            Lighting (headlights, taillights, interior lights), power windows, power locks, central locking, sunroof, wipers, horn, fuse box diagrams, relay locations.
        
     
    
        
            Chassis:
        
        
            Frame, subframes, mounting points.
        
     
    
    
        
            Maintenance:
        
        
            Oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, fluid flushes (coolant, brake, transmission, power steering), tire rotation, brake inspections.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic trouble codes (DTCs) and their meanings, symptom-based troubleshooting guides, fault finding strategies, electrical circuit testing.
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component removal and installation, component testing, adjustments, recalibrations.
        
     
    
        
            Installation:
        
        
            Guidance on installing accessories or replacing major components.
        
     
    
        
            Diagnostics:
        
        
            Information on using diagnostic tools (e.g., ISTA), interpreting scan tool data, sensor testing procedures.
        
     
    
    
        
            Depth:
        
        
            Comprehensive (from basic maintenance to complete engine and transmission rebuilds).
        
     
    
        
            Diagrams:
        
        
            Includes detailed wiring diagrams, exploded views, and component location diagrams.
        
     
 
    
    
    
        
            Engine Options Listed:
        
        
            Includes 3.0L Inline-6 (N52, N55), 4.8L V8 (N62), 3.0L Diesel Inline-6 (M57, N57).
        
     
    
        
            N52B30 (3.0L I6):
        
        
            Approx. 255-270 hp, 230-260 lb-ft torque.
        
     
    
        
            N55B30T0 (3.0L Turbo I6):
        
        
            Approx. 300-335 hp, 300-330 lb-ft torque.
        
     
    
        
            N62B48 (4.8L V8):
        
        
            Approx. 350-360 hp, 350-360 lb-ft torque.
        
     
    
        
            M57D30 (3.0L Turbo Diesel I6):
        
        
            Approx. 235-286 hp, 384-425 lb-ft torque.
        
     
    
        
            N57D30 (3.0L Turbo Diesel I6):
        
        
            Approx. 245-313 hp, 413-516 lb-ft torque.
        
     
    
    
        
            Fuel Type:
        
        
            Premium Unleaded Gasoline, Diesel (for diesel variants).
        
     
    
        
            Engine Management:
        
        
            Digital Engine Electronics (DME) with various control modules.
        
     
    
    
        
            Injection Type:
        
        
            Direct Injection (DI) on N55, N57. Port Injection on N52, N62, M57.
        
     
    
        
            Turbocharging:
        
        
            Twin-Turbocharging on V8 models (N62TU) and some diesel variants, Single Turbo on N55 and diesel variants.
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 191.1 - 193.5 inches (4855 - 4915 mm)
        
     
    
        
            Width:
        
        
            Approx. 76.1 inches (1933 mm)
        
     
    
        
            Height:
        
        
            Approx. 69.5 - 70.1 inches (1765 - 1780 mm)
        
     
    
        
            Wheelbase:
        
        
            Approx. 115.9 inches (2946 mm)
        
     
    
    
        
            Seating Capacity:
        
        
            5 or 7 passengers (optional third row).
        
     
    
    
        
            Cargo Volume Behind 2Nd Row:
        
        
            Approx. 25.7 - 35.8 cu ft (728 - 1014 L)
        
     
    
        
            Cargo Volume Behind 3Rd Row:
        
        
            Approx. 9.7 - 18.4 cu ft (275 - 520 L)
        
     
    
    
        
            Curb Weight:
        
        
            Approx. 4700 - 5000+ lbs (2130 - 2270+ kg), varies significantly by engine and options.
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Varies by model, typically around 6000 - 6500 lbs.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 10,000-15,000 miles or annually, based on condition-based service (CBS) system.
        
     
    
        
            Transmission Fluid Change:
        
        
            BMW initially stated 'lifetime' fluid, but recommended service every 50,000-70,000 miles for longevity, especially for the ZF automatic transmissions.
        
     
    
        
            Coolant Flush:
        
        
            Typically every 2-3 years or 30,000-50,000 miles.
        
     
    
        
            Brake Fluid Flush:
        
        
            Every 2 years.
        
     
    
    
        
            Engine Oil:
        
        
            BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) specifications (e.g., 5W-30, 5W-40 depending on engine and climate).
        
     
    
        
            Coolant:
        
        
            BMW Blue Coolant (G48) or equivalent, mixed with distilled water at a 50/50 ratio.
        
     
    
    
        
            Power Steering Fluid:
        
        
            Pentosin CHF 11S or equivalent hydraulic fluid.
        
     
    
    
        
            Crankcase Ventilation System:
        
        
            Valve cover gasket and PCV system issues (e.g., oil leaks, rough idle) on N52/N55 engines.
        
     
    
        
            Water Pump Thermostat:
        
        
            Failure of electric water pump and thermostat on N55 and later models.
        
     
    
        
            Oil Pan Gasket:
        
        
            Oil pan gasket leaks are common over time.
        
     
    
        
            X Drive Transfer Case:
        
        
            Vibrations or noise from the transfer case, requiring service or replacement.
        
     
    
        
            Suspension Bushings:
        
        
            Wear and tear on suspension bushings leading to clunks or poor handling.
        
     
    
        
            Diesel Particulate Filter:
        
        
            DPF regeneration issues or clogging on diesel models.