Engine Mechanical:
Full rebuild, component testing, timing, sealing, lubrication, cooling
Engine Management:
DME (Digital Motor Electronics) control, fuel injection, ignition system, VANOS, sensors, actuators, diagnostics
Transmission:
Automatic transmission (GM 5L40-E), hydraulic system, electronic controls, torque converter, seals, fluid service
Drivetrain:
Driveshaft, universal joints, differential, axle shafts, wheel bearings
Suspension:
Front (MacPherson strut, multi-link), Rear (multi-link), springs, shock absorbers, bushings, control arms, alignment specifications
Steering:
Hydraulic power steering, steering rack, pump, tie rods, steering column adjustments
Brakes:
Front ventilated discs, Rear discs, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake fluid specifications, bleeding procedures, caliper service, rotor replacement
Electrical System:
12V system, battery, alternator, starter, wiring diagrams, fuses, relays, lighting, horn
Body And Chassis:
Body panels, doors, hood, trunk, glass, seals, structural components, corrosion protection
HVAC:
Automatic climate control, A/C system, heater core, blower motor, control panel, refrigerant specifications
Comfort Systems:
Power windows, power locks, power seats, sunroof, mirrors, cruise control
Infotainment And Navigation:
Radio, CD player, speaker system, navigation system (optional), control units, antenna systems
Safety Systems:
Airbags (SRS), seatbelt pretensioners, seatbelt systems, crash sensor locations
Maintenance Procedures:
Oil change, filter replacement, fluid checks and changes, spark plug replacement, belt inspection and replacement, brake service
Troubleshooting:
System diagnostic flowcharts, common fault codes, symptom-based troubleshooting
Repair Procedures:
Component removal and installation, adjustment procedures, diagnostic tests for all major systems
Diagnostic Information:
OBD-II diagnostic trouble codes (DTCs), BMW specific diagnostic protocols, service reset procedures
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems
Depth Of Coverage:
Comprehensive, from basic maintenance to complete engine and transmission overhaul
Diagnostic Capabilities:
Detailed instructions for using diagnostic tools and interpreting data
Torque Specifications:
Extensive list of torque values for all fasteners and critical components
Special Tools:
Identification and usage of specialized tools required for specific repairs
Oil Change Interval Miles:
10,000 - 15,000 miles (or per Condition Based Service - CBS)
Spark Plug Replacement Miles:
100,000 miles (for iridium plugs)
Transmission Fluid Change Miles:
60,000 - 100,000 miles (recommended, often considered 'lifetime' by manufacturer)
Power Steering Fluid:
BMW Power Steering Fluid or equivalent
Brake Fluid Type:
DOT 4 (BMW High Performance DOT 4)
Cooling System Issues:
Plastic expansion tank failure, water pump failure, thermostat housing leaks
Vanos Issues:
Degradation of O-rings and seals leading to rough idle, loss of low-end torque
ABS Asc Dsc Sensor Failure:
Wheel speed sensor failures
Oil Gasket Leaks:
Valve cover gasket, oil pan gasket leaks
Headliner Sagging:
Adhesive failure in headliner