Engine:
Detailed diagnostics, repair procedures, component testing, and specifications for all available engine variants (e.g., N52B30, N55B30, N62B48, M62B44, diesel variants like M57).
Transmission:
Automatic transmission (e.g., ZF 6HP26, ZF 8HP series), manual transmission (less common in E70), transfer case, differentials; includes diagnostics, fluid services, seal replacement, control module troubleshooting.
Drivetrain:
All-wheel drive (xDrive) system, driveshafts, axles, wheel bearings, hub assemblies.
Suspension:
Front and rear suspension components, springs, shock absorbers/struts, adaptive suspension systems (e.g., EDC), air suspension (optional), steering system (hydraulic/electric power steering), alignment specifications.
Brakes:
Hydraulic brake system, ABS, DSC (Dynamic Stability Control), brake fluid specifications, pad and rotor replacement, caliper service, parking brake system, regenerative braking (if applicable).
Electrical System:
Wiring diagrams, fuse box locations and functions, battery service, alternator, starter, lighting systems (headlights, taillights, interior), power windows, mirrors, seats, door locks, central locking.
Body And Chassis:
Body panel removal and installation, door mechanisms, tailgate operation, interior trim, soundproofing, rust prevention, body repair guidelines.
HVAC:
Air conditioning system, climate control, heater core, evaporator, refrigerant handling, blower motor, ductwork, diagnostic procedures.
Fuel System:
Fuel pump, fuel filter, fuel injectors, fuel lines, fuel tank, emissions control systems (e.g., EVAP).
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, oxygen sensors, exhaust gas recirculation (EGR) system (diesel).
Safety Systems:
Airbag system (SRS), seatbelt pre-tensioners, impact sensors, related control modules.
Infotainment And Electronics:
iDrive system, navigation, audio system, Bluetooth, instrument cluster, head-up display (HUD), parking sensors, rearview camera, sensor diagnostics.
Maintenance:
Oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, brake fluid flush, coolant flush, belt inspection and replacement, tire rotation, battery check.
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, electrical system fault finding, mechanical component diagnostics.
Repair:
Engine rebuilds, transmission overhauls, suspension component replacement, brake caliper rebuilding, electrical component replacement, body panel repair, interior component replacement.
Diagnostics:
Step-by-step diagnostic routines for all major systems, using diagnostic tools (e.g., ISTA/D), sensor testing, actuator testing.
Installation:
Component replacement procedures (e.g., alternator, starter, water pump, turbocharger), accessory installation (if covered).
Calibration:
Steering angle sensor calibration, ride height sensor calibration (for adaptive suspension), adaptive headlight calibration.
Programming:
Control module programming and coding (requires specialized BMW software and hardware, though manual will detail the necessity and procedures).
Depth:
Comprehensive and detailed, covering everything from basic maintenance to complex component overhauls and electrical diagnostics, equivalent to factory workshop manuals.
Detail Level:
Specific torque specifications, assembly sequences, measurement tolerances, electrical schematics, exploded views, and component identification.
Engine Options 2008:
3.0L Inline-6 (N52B30), 4.8L V8 (N62B48), 3.0L Twin-Turbo Inline-6 (N55B30 - introduced later in the year or for 2009 MY, but variants exist), 3.0L Turbocharged Diesel (M57D30).
3.0L I6 (N52B30) Power:
Approx. 255 hp @ 6600 rpm
3.0L I6 (N52B30) Torque:
Approx. 236 lb-ft @ 2750 rpm
4.8L V8 (N62B48) Power:
Approx. 350 hp @ 6300 rpm
4.8L V8 (N62B48) Torque:
Approx. 350 lb-ft @ 3400 rpm
3.0L Diesel (M57D30) Power:
Approx. 231 hp @ 4000 rpm
3.0L Diesel (M57D30) Torque:
Approx. 383 lb-ft @ 1750-3000 rpm
Fuel Injection:
Direct Injection (some variants), Port Injection (others). Electronic throttle control.
Fuel Type:
Premium Unleaded Gasoline (91+ Octane recommended for gasoline engines), Diesel Fuel (for diesel variants).
ECU:
Advanced Engine Control Units (ECUs) managing fuel, ignition, emissions, and ancillaries.
Infotainment System:
BMW iDrive system (CCC or CIC depending on specific build date and options). Includes navigation, radio, CD/DVD player, auxiliary input, Bluetooth.
Display:
Central color LCD display (7 or 8.8 inches depending on iDrive version).
Parking Assistance:
Park Distance Control (PDC) front and rear, optional rearview camera.
Cruise Control:
Standard cruise control, optional Active Cruise Control (ACC) with Stop & Go function.
Lighting:
Xenon Adaptive Headlights, automatic headlight control, fog lights.
Bluetooth:
Standard Bluetooth connectivity for hands-free calling, often with music streaming capabilities (via extended functionality or specific options).
Usb Aux:
Auxiliary audio input standard, USB interface often optional or part of a package for music playback and iPod integration.
Oil Change Interval:
Typically 10,000-15,000 miles or as indicated by the vehicle's Condition Based Service (CBS) system. Consult the manual for exact recommendations based on driving conditions.
Air Filter Replacement:
Every 30,000-50,000 miles, or as needed based on air quality and CBS. Cabin filter: 15,000-20,000 miles.
Spark Plug Replacement:
Gasoline engines: 60,000-100,000 miles depending on plug type (e.g., iridium). Diesel engines: Glow plugs as needed.
Brake Fluid Flush:
Every 2 years, regardless of mileage. BMW specifies DOT 4 Low Viscosity brake fluid.
Transmission Service:
BMW's official stance was 'lifetime' for many transmissions, but expert recommendations and independent research suggest fluid and filter changes every 60,000-80,000 miles. Manual will detail BMW's procedure or lack thereof.
Engine Oil:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) for diesel. Specific viscosity (e.g., 5W-30, 0W-40) depends on engine and climate. Consult manual for precise specs and BMW part numbers.
Coolant:
BMW Blue Antifreeze/Coolant (G48). Do not mix with other types. 50/50 mix with distilled water.
Power Steering Fluid:
CHF 11S (for hydraulic systems). Check if electric power steering is present on specific models.
Common Problems Gasoline:
Valve stem seals (N62 V8), oil pan gasket leaks, VANOS solenoids, cooling system leaks (water pump, thermostat, hoses), ignition coil failures, eccentric shaft sensor failures.
Common Problems Diesel:
Diesel Particulate Filter (DPF) regeneration issues, glow plug failures, EGR cooler failures, turbocharger issues, exhaust gas temperature sensor failures.
Common Problems General:
Xenon headlight leveling sensor failures, power tailgate malfunctions, iDrive controller issues, battery drain due to parasitic draw, fuel pump failures.