Systems Covered:
General Information, Engine Mechanical, Engine Electrical, Emission Control, Fuel System, Clutch System, Manual Transaxle, Automatic Transaxle, Driveshaft & Axle, Suspension, Steering, Restraint Systems, Brake System, Body (Interior & Exterior), Body Electrical System, HVAC
Estimated Page Count:
Extensive (typical for comprehensive workshop manuals, often 1000+ pages)
Type:
Service Repair Workshop Manual
Engine Mechanical:
Cylinder head, block, pistons, connecting rods, crankshaft, timing system, oil pump, lubrication, cooling system
Engine Electrical:
Ignition system, starting system, charging system, engine control unit (ECU) diagnostics and wiring
Emission Control:
Catalytic converter, oxygen sensors, evaporative emission control (EVAP) system, EGR system
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel filter, fuel lines
Clutch System:
Clutch assembly, hydraulic system, release bearing (for manual transmission models)
Manual Transaxle:
Gearbox overhaul, clutch operation, shift mechanisms
Automatic Transaxle:
Transmission overhaul, hydraulic control, torque converter, transmission control unit (TCU) diagnostics and wiring
Driveshaft And Axle:
Driveshafts, CV joints, differential, xDrive all-wheel-drive system components
Suspension System:
Front and rear suspension components, springs, shock absorbers, control arms, anti-roll bars, air suspension (if applicable)
Steering System:
Power steering pump, steering rack, tie rods, steering column, steering angle sensor
Restraint Systems:
Airbag system (SRS), seat belts, pre-tensioners, occupant restraint control module
Brake System:
Brake discs, pads, calipers, hydraulic lines, ABS system, DSC (Dynamic Stability Control), parking brake
Body Interior Exterior:
Body panels, doors, hood, tailgate, bumpers, glass, interior trim, seating, dashboard
Body Electrical System:
Lighting, wipers, power windows, mirrors, central locking, keyless entry, instrument cluster, sensors, body control module (BCM)
HVAC:
Heating, ventilation, air conditioning system components, refrigerant, compressor, evaporator, condenser, climate control module
Maintenance:
Routine maintenance, oil changes, filter replacements, spark plug replacement, fluid checks and changes, brake inspections
Troubleshooting:
Diagnostic procedures for common and complex issues, fault code interpretation, symptom-based troubleshooting
Repair:
Step-by-step instructions for component removal, installation, and overhaul for all major systems
Diagnostics:
Wiring diagrams, diagnostic connector information, test procedures for sensors and actuators
Component Replacement:
Detailed guides for replacing critical components like alternators, starters, fuel pumps, suspension parts, etc.
Depth:
Comprehensive (covers basic maintenance to in-depth engine and transmission rebuilds, electrical diagnostics, and bodywork)
Infotainment System:
iDrive system, potentially featuring navigation, radio, CD/DVD player, Bluetooth connectivity, and auxiliary inputs.
Driver Assistance Features:
Optional features may include Adaptive Cruise Control (ACC), Park Distance Control (PDC), rearview camera, Head-Up Display (HUD), lane departure warning (later models).
Connectivity Options:
Bluetooth for hands-free calling and audio streaming, USB interface, AUX input.
Oil Change Interval:
Typically variable based on driving conditions, indicated by the Condition Based Service (CBS) system, but generally around 10,000-15,000 miles or 12-24 months.
Engine Oil Specification:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) depending on gasoline or diesel, and specific viscosity grade (e.g., 0W-30, 5W-30). Consult specific engine recommendations.
Coolant Specification:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) or equivalent.
Transmission Fluid Automatic:
Specific ZF Lifeguard fluid compatible with the installed transmission (e.g., ZF 6HP requires ATF L 1375.4 or ZF TE-ML 11, ZF 8HP requires ATF L 0582.2 or ZF TE-ML 09).
Brake Fluid Specification:
DOT 4 or DOT 4 PLUS (e.g., BMW Heavy Duty Brake Fluid).
Common Issues E70:
Valve cover gasket leaks, oil pan gasket leaks, coolant leaks (especially from the thermostat housing and hoses), PCV system issues, eccentric shaft sensor failures, power steering leaks, front suspension component wear (control arms, bushings), automatic transmission issues (mechatronics, solenoids), transfer case failure, active steering failures, HVAC blower motor resistor failure, iDrive system glitches.