Engine Mechanical:
Detailed disassembly, assembly, overhaul, component testing, torque specifications for all covered engine variants.
Engine Management:
Fuel injection, ignition system, emissions control, sensor data interpretation, ECU diagnostics.
Transmission Automatic:
Torque converter, valve body, gear sets, hydraulic controls, mechatronics, diagnostic procedures, fluid specifications.
Transmission Manual:
Clutch assembly, gearbox internals, shift mechanisms, lubrication, diagnostic and repair procedures.
Drivetrain:
Driveshafts, CV joints, differential, rear axle assembly, wheel bearings.
Suspension Front:
MacPherson struts, control arms, sway bar, bushings, alignment specifications.
Suspension Rear:
Multi-link independent suspension, shock absorbers, coil springs, bushings, alignment specifications.
Steering:
Power steering system (hydraulic pump, rack and pinion), steering column, tie rods, troubleshooting.
Brakes Front:
Disc brake calipers, rotors, pads, ABS system components, hydraulic lines.
Brakes Rear:
Disc brake calipers, rotors, pads, parking brake mechanism, ABS system components.
Anti Lock Braking System:
ABS control module, wheel speed sensors, hydraulic unit, diagnostic codes, component testing.
Traction Control System:
ASC/DSC (Automatic Stability Control/Dynamic Stability Control) components, sensors, control module, diagnostic procedures.
Body Exterior:
Body panel removal/installation, door mechanisms, glass, sunroof, bumpers, trim.
Body Interior:
Dashboard, seats, upholstery, interior trim panels, headliner, carpeting, climate control components.
HVAC System:
Air conditioning, heating, ventilation, blower motor, evaporator, condenser, refrigerant, climate control unit.
Lighting System:
Headlights, taillights, interior lights, fog lights, wiring diagrams, bulb replacement.
Instrument Panel And Gauges:
Speedometer, tachometer, fuel gauge, temperature gauge, warning lights, cluster diagnostics.
Audio And Navigation:
Radio, CD player, amplifier, speaker replacement, navigation system troubleshooting (if applicable).
Power Windows And Locks:
Window regulators, motors, lock actuators, switch diagnostics.
Wiper And Washer System:
Wiper motor, linkages, blades, washer pump, fluid reservoir.
Fuel System:
Fuel tank, fuel pump, fuel filter, injectors, fuel pressure regulator, lines.
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan, expansion tank.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, pipes, O2 sensors.
Starting And Charging System:
Battery, starter motor, alternator, voltage regulator, wiring.
Airbag System:
Airbag control module, SRS warning light, component replacement, safety precautions.
Security System:
Immobilizer, central locking, alarm system diagnostics.
Scheduled Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections/replacements.
Engine Overhaul:
Complete rebuild procedures including piston rings, bearings, valve guides, seals, gaskets.
Transmission Rebuild:
Detailed steps for dismantling, inspecting, and reassembling automatic and manual transmissions.
Brake System Service:
Pad and rotor replacement, caliper service, brake fluid flush and bleed, master cylinder replacement.
Suspension Component Replacement:
Strut/shock absorber replacement, control arm bushing replacement, ball joint replacement.
Diagnostics And Troubleshooting:
Step-by-step diagnostic flowcharts for common and uncommon problems, symptom-based troubleshooting.
Electrical Troubleshooting:
Wiring diagrams, connector pinouts, voltage drop testing, continuity testing.
Body Panel Alignment:
Procedures for adjusting doors, hood, trunk, and bumpers for proper fit and sealing.
Wheel Alignment:
Specifications for camber, caster, toe, and thrust angle for front and rear axles.
Refrigerant Handling:
Procedures for AC system evacuation, charging, and leak detection (with safety warnings).
Depth:
Comprehensive (from basic maintenance to full engine and transmission rebuilds).
Diagnostic Capabilities:
Advanced diagnostic procedures, including use of OBD-II scanners, sensor data interpretation, and common fault codes.
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems, often color-coded.
Torque Specifications:
Precise torque values for critical fasteners across all major components.
Tolerances:
Engine component clearances, bearing tolerances, and other critical measurements for rebuilding.
Oil Change Interval:
Typically every 7,500-10,000 miles or annually, depending on driving conditions and oil used (BMW's Condition Based Service - CBS system began implementation).
Coolant Flush:
Every 2-4 years or as indicated by the CBS system.
Brake Fluid Flush:
Every 2 years.
Spark Plug Replacement:
For M54 engines, typically around 100,000 miles (check manual for specific interval and plug type).
Engine Oil:
BMW Longlife-01 (LL-01) or LL-04 approved synthetic oil, viscosity typically 5W-30 or 0W-30.
Coolant:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) mixed 50/50 with distilled water.
Power Steering Fluid:
BMW Power Steering Fluid (often Pentosin CHF 11S or equivalent for hydraulic systems).
Windshield Washer Fluid:
Standard automotive washer fluid concentrate or pre-mixed solution.
Vanos Seals:
Degradation of VANOS seals can lead to rough idle, low-end torque loss, and hard starting.
Oil Pan Gasket Leaks:
Common leak point due to age and material degradation.
Cooling System Failures:
Plastic coolant expansion tanks, water pumps, and thermostats can become brittle and fail.
Headliner Sagging:
Adhesive failure causing the headliner fabric to sag.
Window Regulator Failure:
Plastic components within the window regulator mechanism can break.
Ignition Coil Failures:
Can cause misfires and rough running.
Crankshaft Position Sensor Failure:
Can lead to stalling or inability to start.
ABS Dsc Module Failure:
Corrosion or failure of the ABS/DSC hydraulic unit or control module.