Segment:
        
        
            Luxury Gran Turismo / Executive Sedan (GT variant).
        
     
    
        
            Target Audience:
        
        
            Owners seeking a luxurious, sporty, and practical vehicle with advanced technology and all-weather capability.
        
     
    
    
        
            Competitors:
        
        
            Mercedes-Benz CLS-Class, Audi A7, Porsche Panamera (entry-level trims).
        
     
    
    
        
            Vehicle Type:
        
        
            Five-door hatchback Gran Turismo (GT) offering coupe-like styling with SUV-like practicality.
        
     
    
        
            Drivetrain Advantage:
        
        
            Standard xDrive all-wheel-drive system providing enhanced traction and stability in various road conditions.
        
     
    
    
        
            Purpose:
        
        
            Provides essential technical information for DIY maintenance, troubleshooting, and professional repair of the 2011 BMW 535i GT xDrive.
        
     
    
        
            Benefit:
        
        
            Empowers owners and technicians with detailed procedures, specifications, and diagnostic strategies, reducing reliance on expensive dealership services.
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine (N55B30A), cooling system, fuel system, exhaust system, engine management (DME), turbocharger system.
        
     
    
        
            Drivetrain:
        
        
            xDrive all-wheel drive system, transfer case, drive shafts, differentials (front and rear).
        
     
    
        
            Transmission:
        
        
            8-speed Steptronic automatic transmission (GA8HP70Z/GA8HP75Z), transmission control module (TCU).
        
     
    
        
            Chassis And Suspension:
        
        
            Front and rear suspension (independent), dampers, springs, control arms, bushings, steering system (Servotronic), power steering.
        
     
    
        
            Brakes:
        
        
            Hydraulic brake system, ABS, DSC (Dynamic Stability Control), brake calipers, rotors, pads, hydraulic lines, parking brake.
        
     
    
        
            Electrical System:
        
        
            Battery, alternator, starter, lighting (headlights, taillights, interior), wiring diagrams, fuses, relays, control modules (ECU, TCU, DSC, etc.).
        
     
    
        
            Bodywork And Interior:
        
        
            Body panels, doors, hood, trunk, bumpers, interior trim, seats, airbags, climate control system (HVAC), power windows, locks.
        
     
    
        
            Infotainment And Electronics:
        
        
            iDrive infotainment system, navigation, audio system, instrument cluster, driver assistance systems (parking sensors, rearview camera if equipped).
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance (oil changes, filter replacements, inspections), fluid checks and changes, brake pad replacement, spark plug replacement.
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting guides, diagnostic trouble codes (DTCs) and their meanings, guided fault finding, symptom-based diagnostics.
        
     
    
        
            Repair:
        
        
            Step-by-step repair procedures for all major mechanical and electrical systems, component removal and installation, torque specifications, special tool requirements.
        
     
    
        
            Rebuild And Overhaul:
        
        
            Detailed instructions for engine component rebuilds, transmission overhauls, suspension component replacement, brake caliper rebuilds.
        
     
    
        
            Electrical Troubleshooting:
        
        
            Wiring diagrams for specific circuits, testing procedures for sensors and actuators, diagnostic strategies for electrical faults.
        
     
    
        
            Programming And Coding:
        
        
            Information on module programming and coding procedures (often requires dealer-level tools, but manual may outline general principles).
        
     
    
    
        
            Depth:
        
        
            Comprehensive, ranging from basic owner maintenance to in-depth mechanical and electrical repair, including diagnostic procedures.
        
     
 
    
    
    
        
            Engine Type:
        
        
            3.0L Inline 6-Cylinder Twin-Scroll Turbocharged Petrol (N55B30A).
        
     
    
    
        
            Horsepower:
        
        
            300 hp @ 5800 rpm
        
     
    
        
            Torque:
        
        
            300 lb-ft @ 1200-5000 rpm
        
     
    
    
    
        
            Fuel Delivery:
        
        
            Direct Injection (High-Pressure Fuel System).
        
     
    
        
            Fuel Type:
        
        
            Premium Unleaded Gasoline (91 Octane or higher recommended).
        
     
    
    
        
            Coolant Type:
        
        
            BMW Blue Antifreeze/Coolant (G48).
        
     
    
    
        
            Oil Type:
        
        
            SAE 0W-30 Synthetic Engine Oil (BMW Longlife-01 or LL-04 approved).
        
     
    
        
            Oil Capacity:
        
        
            6.9 US quarts (6.5 liters) with filter change.
        
     
    
    
        
            Spark Plugs:
        
        
            NGK SILZKER7B11 (or equivalent specification).
        
     
 
    
    
    
        
            NHTSA Overall Rating:
        
        
            Not extensively rated by NHTSA for this specific GT variant in 2011, but generally high for BMW models of the era.
        
     
    
        
            IIHS Ratings:
        
        
            Likely performed well in IIHS tests relevant to the 5 Series platform.
        
     
    
    
        
            Stability Control:
        
        
            Dynamic Stability Control (DSC) with Traction Control (DTC).
        
     
    
        
            Braking Assist:
        
        
            Anti-lock Braking System (ABS), Brake Assist.
        
     
    
        
            All Wheel Drive:
        
        
            xDrive intelligent all-wheel-drive system.
        
     
    
    
        
            Airbags:
        
        
            Front airbags, front side-impact airbags, front and rear head protection system (curtain airbags).
        
     
    
        
            Seatbelts:
        
        
            3-point inertia-reel seatbelts with front seatbelt pretensioners and force limiters.
        
     
    
        
            Child Seat Anchors:
        
        
            LATCH (Lower Anchors and Tethers for Children) system.
        
     
 
    
    
    
        
            System Name:
        
        
            BMW iDrive (CCC or CIC Professional depending on options).
        
     
    
        
            Features:
        
        
            Navigation, Bluetooth connectivity, USB audio interface, voice control, auxiliary input, optional enhanced sound systems.
        
     
    
    
        
            Parking Assistance:
        
        
            Park Distance Control (PDC) front and rear, optional rearview camera.
        
     
    
        
            Lighting:
        
        
            Xenon Adaptive Headlights with LED accent lighting, automatic headlights.
        
     
    
    
        
            Smartphone Integration:
        
        
            Bluetooth integration for calls and audio streaming. USB for charging and audio. No native Apple CarPlay/Android Auto in this era.
        
     
    
    
        
            Climate Control:
        
        
            Automatic dual-zone climate control, optional rear climate controls.
        
     
 
    
    
    
        
            Oil Service:
        
        
            Condition Based Service (CBS) indicator, typically between 10,000 - 15,000 miles or annually.
        
     
    
        
            Brake Fluid:
        
        
            Every 2 years (regardless of mileage).
        
     
    
        
            Spark Plugs:
        
        
            Approximately 60,000 miles (refer to manual for exact recommendation).
        
     
    
        
            Cabin Air Filter:
        
        
            Every 15,000-30,000 miles or annually, depending on driving conditions.
        
     
    
    
        
            Power Steering Fluid:
        
        
            Pentosin CHF 11S or equivalent specified by BMW.
        
     
    
        
            Coolant:
        
        
            BMW Blue Antifreeze/Coolant (G48) mixed 50/50 with distilled water.
        
     
    
    
        
            Turbocharger Cooling:
        
        
            Potential for oil leaks or coolant leaks related to the turbocharger cooling lines, requiring inspection and replacement.
        
     
    
        
            High Pressure Fuel Pump:
        
        
            Early N55 engines could experience issues with the high-pressure fuel pump (HPFP) leading to stalling or rough running.
        
     
    
        
            Water Pump And Thermostat:
        
        
            Electric water pump and thermostat failures can lead to overheating; replacement often required.
        
     
    
        
            Pcv System:
        
        
            Crankcase Ventilation (PCV) valve failures can lead to oil leaks, rough idle, and performance issues.
        
     
    
        
            Transfer Case Actuator:
        
        
            Potential for xDrive transfer case actuator failure, affecting AWD engagement.