Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of all engine variants (including VANOS, Valvetronic, ignition system, fuel injection, cooling, lubrication, exhaust, emissions control).
Engine Management Electronics:
Detailed diagnosis and repair of DME (Digital Motor Electronics), sensors, actuators, wiring diagrams, diagnostic trouble codes (DTCs), component testing.
Transmission Automatic:
Repair, overhaul, and diagnosis of ZF 6HP series automatic transmissions, including torque converter, valve body, mechatronics, electronic control unit, fluid specifications, and replacement procedures.
Transmission Manual:
Repair and diagnosis of manual transmissions (if applicable to specific 2009 E70 variants, less common).
Drivetrain And Axles:
Front and rear axle assemblies, differentials, driveshafts, CV joints, transfer case (xDrive all-wheel drive system) maintenance and repair.
Suspension And Steering:
Front and rear suspension components (struts, shocks, control arms, bushings, air suspension - if equipped), steering system (rack and pinion, power steering), wheel alignment specifications.
Brakes:
Hydraulic brake system, ABS, DSC (Dynamic Stability Control), DTCs, brake pad and rotor replacement, caliper service, bleeding procedures, parking brake system.
Body And Chassis:
Body panels, doors, hood, tailgate, interior trim, seals, chassis components, corrosion protection, jacking points.
Electrical System Basic:
Battery, charging system (alternator), starting system (starter motor), lighting (headlights, taillights, interior), fuses, relays, wiring harnesses.
Electrical System Advanced:
Body Control Module (BCM), comfort access, power seats, power windows, sunroof, rear-view mirrors, wipers, horn, central locking, keyless entry.
Climate Control:
HVAC system, climate control unit, blower motor, evaporator, condenser, refrigerant recharge procedures, diagnostic information.
Infotainment And Navigation:
CCC/CIC iDrive systems, radio, CD changer, navigation system, Bluetooth integration, audio system components, antenna systems.
Driver Assistance Systems:
Park Distance Control (PDC), rearview camera, adaptive cruise control (ACC), head-up display (HUD), lane departure warning (LDW) system diagnosis and calibration.
Safety Systems:
Airbag system (SRS), seat belt pre-tensioners, crash sensors, occupancy sensors, diagnosis and replacement procedures.
Scheduled Maintenance:
Detailed service intervals for oil changes, filter replacements, brake checks, fluid flushes, and component inspections.
Routine Repairs:
Replacement of common wear items such as spark plugs, ignition coils, serpentine belts, air filters, cabin filters, brake pads, and rotors.
Diagnostic Troubleshooting:
Systematic troubleshooting guides, symptom-based diagnostics, fault code interpretation, and step-by-step diagnostic procedures using BMW diagnostic tools (e.g., ISTA).
Component Replacement:
Instructions for replacing major components like alternators, starters, fuel pumps, mass airflow sensors, oxygen sensors, radiator, water pump, thermostats, etc.
Rebuilding And Overhaul:
Complete procedures for engine rebuilding, transmission overhaul, differential repair, and other major component overhauls with detailed specifications.
Electrical Diagnostics And Repair:
Advanced troubleshooting of electrical systems, including wiring diagrams, connector pinouts, signal tracing, and component testing using multimeters and oscilloscopes.
Bodywork And Trim:
Body panel removal and installation, interior trim component removal and replacement, weather stripping, door mechanisms.
Wheel And Tire Service:
Tire pressure monitoring system (TPMS) service, wheel balancing, tire mounting/demounting, wheel bearing replacement.
Recalibration And Programming:
Procedures for component replacement requiring electronic programming or calibration (e.g., throttle body, steering angle sensor, airbag module).
Depth:
Comprehensive, dealership-level technical information covering routine maintenance to complete engine and transmission rebuilds.
Diagnostic Capability:
Detailed diagnostic flowcharts, symptom identification, and specific troubleshooting steps for all major systems.
Technical Data Accuracy:
Precise torque specifications, clearances, fluid capacities, and electrical values.
Diagrams And Illustrations:
Includes detailed diagrams, exploded views, and step-by-step illustrations for repair procedures.
Wiring Diagrams:
Complete and accurate electrical wiring diagrams for all vehicle systems.
Engine Variant 1 Name:
3.0si (xDrive30i)
Engine Variant 1 Code:
N52B30
Engine Variant 1 Displacement:
2,996 cc (3.0 Liters)
Engine Variant 1 Cylinders:
Inline-6
Engine Variant 1 Valvetrain:
Double Overhead Camshafts (DOHC), 24 Valves, Valvetronic, Double VANOS
Engine Variant 1 Horsepower:
255 hp @ 6,600 rpm
Engine Variant 1 Torque:
219 lb-ft @ 2,750-4,250 rpm
Engine Variant 2 Name:
4.8i (xDrive48i)
Engine Variant 2 Code:
N62B48TU
Engine Variant 2 Displacement:
4,799 cc (4.8 Liters)
Engine Variant 2 Cylinders:
V8
Engine Variant 2 Valvetrain:
Double Overhead Camshafts (DOHC), 32 Valves, Double VANOS, Valvetronic
Engine Variant 2 Horsepower:
350 hp @ 6,300 rpm
Engine Variant 2 Torque:
350 lb-ft @ 3,400-3,800 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI), Direct Injection (for later N54/N55 variants, not explicitly N52B30 or N62B48TU for 2009 models as primary options).
Recommended Fuel:
Premium Unleaded (91 Octane or higher)
Infotainment System:
BMW iDrive system with either the CCC (Car Communication Computer) or the newer CIC (Car Information Computer) depending on options and production date, featuring a central control dial, high-resolution display, and advanced menu navigation.
Navigation:
Optional Professional Navigation system with GPS mapping and real-time traffic information.
Audio Options:
Standard BMW Professional Radio, optional Harman Kardon surround sound system, CD player, auxiliary input, USB interface (later production or with specific packages).
Parking Assistance:
Park Distance Control (PDC) with front and rear sensors, optional rearview camera or surround view cameras.
Adaptive Cruise Control:
Optional Adaptive Cruise Control (ACC) with Stop & Go functionality.
Head Up Display:
Optional Head-Up Display (HUD) projecting key driving information onto the windshield.
Bluetooth:
Standard Bluetooth hands-free connectivity for mobile phones, often with advanced phone book synchronization and audio streaming capability.
Usb:
Optional USB/Auxiliary input for audio playback and device charging/interface.
Seats:
Comfort seats with electric adjustment, memory function, lumbar support, and optional heated and ventilated front seats. Heated rear seats often available.
Keyless Entry:
Comfort Access system with keyless entry and start/stop button.
Oil Change Interval:
Condition Based Service (CBS) system typically recommends oil service every 10,000-15,000 miles or 12-24 months, depending on driving conditions and oil quality.
Engine Oil Type 30I:
BMW Longlife-01 (LL-01) approved synthetic oil, SAE 0W-30 or 5W-30.
Engine Oil Type 48I:
BMW Longlife-01 (LL-01) approved synthetic oil, SAE 5W-30.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based), typically a 50/50 mix with distilled water.
Transmission Fluid Change:
Sealed for life by BMW, but professional recommendation suggests changing at 60,000-100,000 miles for longevity. Check manual for specific BMW fluid part numbers (e.g., LT-3).
Brake Fluid Change:
Every 2 years (DOT 4).
Spark Plug Replacement 30I:
Typically around 60,000 miles (NGK or Bosch OEM specification).
Air Filter Replacement:
Every 30,000 miles or as indicated by CBS.
Cabin Filter Replacement:
Every 15,000-30,000 miles or annually.
Engine Oil Leaks:
Valve cover gasket leaks, oil pan gasket leaks, and oil filter housing gasket leaks are common with age and mileage.
Cooling System Issues:
Water pump and thermostat failures, radiator leaks, coolant expansion tank cracks can occur.
Transmission Shifting Issues:
Mechatronic sleeve leaks, valve body issues, or torque converter problems can manifest as hesitant shifting or transmission fault warnings.
X Drive Transfer Case:
Potential for wear in the transfer case actuator motor or chain, leading to transfer case error messages.
Air Suspension Rear:
Rear air springs can develop leaks, causing the vehicle to sag.
Electrical Gremlins:
Various minor electrical faults can occur, often related to module communication or sensor failures.
Throttle Body Issues:
Electronic throttle body can become faulty, leading to limp mode or engine performance issues.