Engine Service Repair:
Complete engine overhaul, component replacement, tuning, diagnostics
Transmission Service Repair:
Automatic transmission overhaul, fluid changes, diagnostics, control unit
Brake System:
Front/rear disc brakes, ABS system, hydraulic components, wear limits
Wiring Diagram:
Comprehensive electrical schematics for all vehicle systems
Electrical System:
Component testing, circuit diagnosis, power distribution, lighting, sensors
Suspension:
Front/rear suspension components, shock absorbers, springs, bushings, alignment specifications
Steering:
Power steering system, steering rack, tie rods, steering column
Cooling System:
Radiator, water pump, thermostat, hoses, coolant specifications, fan control
Fuel Injection:
Fuel injectors, fuel pump, fuel pressure regulator, ECU control, diagnostic routines
Fuel System:
Fuel tank, lines, filters, evaporative emissions control
Emission System:
Catalytic converter, oxygen sensors, EGR system, emission control strategies
Heater Air Conditioning:
HVAC system diagnosis, refrigerant, climate control unit, blower motor
Engine Control System:
ECU operation, sensor inputs, actuator outputs, diagnostic trouble codes (DTCs)
Chassis Body:
Frame, body panels, doors, hinges, latches, exterior trim
Restraint System:
Airbag system, seat belts, SRS control module
Interior:
Seats, dashboard, trim panels, carpeting, sound insulation
Differential Drive:
Rear axle differential, fluid specifications, maintenance
Axle:
Drive axles, CV joints, wheel bearings
General Maintenance:
Scheduled maintenance, fluid checks and changes, filter replacements
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults
Periodic Lubrication:
Lubrication points and schedules for chassis components
Engine Repair:
Detailed procedures for engine disassembly, assembly, and component replacement
Transmission Repair:
Step-by-step instructions for transmission overhauls and component replacements
Brake Repair:
Procedures for brake pad/rotor replacement, caliper servicing, and bleeding
Electrical Repair:
Diagnostic techniques for electrical faults, component testing, and wiring repairs
Suspension Repair:
Replacement of suspension arms, bushings, ball joints, and shock absorbers
Steering Repair:
Service and replacement of steering components, including the steering rack
Cooling System Repair:
Replacement of radiator, water pump, thermostat, and hoses
Fuel Injection Repair:
Injector cleaning/replacement, fuel system pressure testing, sensor diagnostics
HVAC Repair:
Diagnosis and repair of heating and air conditioning system faults, refrigerant servicing
Chassis Body Repair:
Panel replacement, door adjustments, trim repair
Restraint System Repair:
Airbag system diagnostics and component replacement (handling with caution)
Diagnostic Capabilities:
Includes detailed diagnostic procedures, DTC interpretation, and troubleshooting trees
Repair Procedures:
Covers everything from routine maintenance to major component overhauls and rebuilds
Technical Data:
Provides exact specifications, tolerances, torque values, and fluid capacities
Diagrams Illustrations:
Includes circuit diagrams, exploded views, and detailed illustrations for clarity
Oil Change Interval:
Typically every 10,000-15,000 miles or annually, depending on driving conditions (refer to manual for exact recommendations based on service indicator).
Transmission Fluid Interval:
Historically considered 'lifetime' by BMW, but recommended by many specialists to be changed every 60,000-100,000 miles.
Coolant Change Interval:
Every 2-4 years or as per service indicator.
Engine Oil Specification:
BMW Longlife-98 or Longlife-01 approved synthetic oil, typically 5W-30 or 5W-40. (Specific BMW part numbers required, found in manual).
Coolant Specification:
BMW Blue Antifreeze/Coolant (G48), a silicate-free ethylene glycol-based coolant.
Brake Fluid Specification:
DOT 4 Low Viscosity (LV) brake fluid.
Common Issues V12:
Ignition coil failures, vacuum leaks, VANOS system (on M73N), cooling system component degradation (hoses, expansion tank), starter motor issues, oil pan gasket leaks.
Common Issues Electronics:
Pixelated LCD displays (instrument cluster, radio), EWS immobilizer issues, ABS/ASC sensor faults, window regulator failures.
Common Issues Suspension:
Wear on control arm bushings, ball joints, and tie rod ends.