Engine Mechanical:
Engine assembly, cylinder head, valve train, pistons, crankshaft, lubrication system, cooling system, fuel delivery, emission control.
Engine Electrical:
Ignition system, starter, alternator, engine control module (ECM) wiring diagrams, sensors, actuators.
Transmission Manual:
Clutch system, gearbox assembly, shift mechanism, torque specifications, internal components.
Transmission Automatic:
Transmission control module (TCM), hydraulic system, valve body, planetary gear sets, fluid specifications, torque converter.
Drivetrain:
Driveshafts, universal joints, differential, axles, wheel bearings, NVH (Noise, Vibration, Harshness) control.
Suspension Front:
MacPherson struts, control arms, anti-roll bar, bushings, springs, shock absorbers, alignment specifications.
Steering:
Power steering system (hydraulic or electric depending on build date), steering rack, tie rods, steering column, alignment.
Brakes Front:
Brake calipers, rotors, pads, brake lines, ABS (Anti-lock Braking System) components, DSC (Dynamic Stability Control).
Electrical Body:
Lighting, power windows, door locks, mirrors, wipers, horn, interior controls, comfort access system.
Electrical Chassis:
Battery, charging system, starter motor, fuse box locations, relay assignments, wiring harness routing.
HVAC:
Air conditioning system, heating system, climate control unit, blower motor, refrigerant recharge procedures, cabin filter replacement.
Body Exterior:
Body panel removal and installation, door mechanisms, hood, trunk, bumpers, glass replacement.
Body Interior:
Dashboard removal, seat removal, trim panels, headliner, carpet replacement.
Diagnostics:
OBD-II (On-Board Diagnostics) troubleshooting, fault code interpretation, diagnostic tool usage, wiring diagram analysis, component testing.
Rear Suspension:
Multi-link independent suspension, control arms, trailing arms, springs, shock absorbers, alignment specifications.
Rear Brakes:
Brake calipers, rotors, pads, parking brake mechanism, ABS/DSC components.
Maintenance:
Oil changes, filter replacements, spark plug service, coolant flushes, brake fluid changes, air filter replacement.
Repair:
Component replacement (e.g., alternator, starter, fuel pump, water pump), gasket and seal replacement, fluid line repairs.
Troubleshooting:
Step-by-step diagnostic flowcharts for common drivability issues, electrical faults, and system malfunctions.
Rebuilds:
Engine overhaul, transmission overhaul, differential rebuild, suspension component rebuild.
Adjustments:
Wheel alignment, parking brake adjustment, idle speed adjustments (where applicable).
Depth Level:
Comprehensive: Covers everything from routine maintenance to major component overhauls and complex diagnostics.
Diagnostic Capability:
Includes detailed diagnostic procedures, wiring diagrams, component testing, and fault code interpretations.
Wiring Diagrams:
Extensive and detailed electrical schematics for all vehicle systems.
Oil Change Interval:
Variable, typically every 10,000-15,000 miles or 1 year, depending on driving conditions and oil life indicator (Condition Based Service - CBS).
Brake Fluid Interval:
Every 2 years, regardless of mileage.
Spark Plug Interval:
Typically around 60,000 miles for Longlife spark plugs (e.g., NGK SILZKR7C11S).
Engine Air Filter Interval:
Varies, often inspected annually and replaced every 20,000-30,000 miles or as needed based on condition.
Cabin Air Filter Interval:
Typically every 15,000-20,000 miles or 1 year.
Coolant Capacity Liters:
Approx. 8.0 Liters
Power Steering Fluid Type:
BMW Power Steering Fluid (Pentosin CHF 11S or equivalent spec).
Brake Fluid Type:
DOT 4 Low Viscosity (LV) or DOT 4+.
Common Issues:
Oil leaks (valve cover gasket, oil pan gasket), PCV (Positive Crankcase Ventilation) system issues, water pump failure, ignition coil and spark plug failures, starter issues, VANOS solenoid issues, ABS/DSC sensor failures.