Engine Mechanical:
Complete engine overhaul, cylinder head, pistons, crankshaft, camshafts, timing system, lubrication system.
Fuel System:
Fuel injection system (DME), fuel pump, injectors, fuel lines, fuel tank, diagnostics.
Ignition System:
Ignition control module (DME), spark plugs, ignition coils, wiring.
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan, heater core, climate control.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, oxygen sensors.
Transmission Manual:
Manual transmission overhaul, clutch assembly, gear shift mechanism, lubrication.
Transmission Automatic:
Automatic transmission overhaul (e.g., ZF 4HP-22EH), valve body, torque converter, electronic control, fluid and filter replacement.
Drivetrain:
Driveshaft, universal joints, differential, rear axle assembly, wheel bearings.
Suspension Front:
MacPherson struts, control arms, sway bar, ball joints, bushings, alignment specifications.
Suspension Rear:
Multi-link independent suspension, shock absorbers, trailing arms, control arms, bushings, alignment specifications.
Brakes:
Front and rear disc brakes, ABS system (Bosch ABS II), brake calipers, rotors, master cylinder, brake lines, bleeding procedures, parking brake.
Steering:
Power steering system, steering rack, tie rods, steering column, power steering fluid specifications.
Electrical System:
Battery, charging system (alternator), starter motor, fuses, relays, wiring diagrams, lighting system, horn.
Engine Management:
Digital Motor Electronics (DME) system, sensors (e.g., MAF, O2, Crankshaft Position), actuators, diagnostic trouble codes (DTCs).
Body Exterior:
Body panel removal/installation, doors, hood, trunk lid, bumpers, windows, mirrors, paint codes, rust repair guidance.
Body Interior:
Dashboard removal, seating, interior trim panels, headliner, sound deadening, HVAC system controls.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant types (R12 for this era), compressor, condenser, evaporator, blower motor, climate control unit diagnostics.
Instruments And Controls:
Instrument cluster, gauges, warning lights, switches, turn signals, wipers, cruise control.
Lighting System:
Headlights (sealed beam or projector), taillights, brake lights, interior lighting, fog lights.
Scheduled Maintenance:
Oil change intervals, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement.
Troubleshooting:
Systematic diagnostic procedures for common issues, fault finding charts, symptom-based troubleshooting.
Engine Repair:
Engine rebuilds, head gasket replacement, valve adjustments, timing belt/chain replacement, piston ring replacement.
Transmission Repair:
Manual transmission synchronizer replacement, automatic transmission clutch pack replacement, valve body repair.
Brake System Repair:
Brake pad/rotor replacement, caliper overhaul, brake line replacement, ABS sensor replacement, brake bleeding.
Suspension Component Replacement:
Strut/shock absorber replacement, control arm bushing replacement, ball joint replacement, wheel bearing replacement.
Electrical Component Testing And Replacement:
Testing and replacing alternators, starters, sensors, ignition coils, ECU diagnostics.
Body Panel Replacement:
Door panel replacement, fender replacement, bumper cover replacement, glass replacement.
HVAC System Service:
Refrigerant recharging, component replacement (compressor, condenser), leak detection, cabin filter replacement.
Wiring Diagram Interpretation:
Detailed wiring schematics for all major systems, diagnostic troubleshooting using wiring diagrams.
Torque Specifications:
Comprehensive torque values for all fasteners, crucial for engine and chassis components.
Alignment Procedures:
Front and rear wheel alignment specifications and procedures.
Depth:
Comprehensive Workshop Level
Diagnostics:
Advanced diagnostics for engine management (DME), ABS, and automatic transmission control systems.
Rebuilds:
Complete engine and transmission rebuild procedures.
Special Tools:
Identification and usage of specialized BMW tools required for certain procedures.
Oil Change:
Every 7,500-10,000 miles or 12 months, whichever comes first, using synthetic oil.
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on operating conditions.
Spark Plug Replacement:
Approx. every 30,000-60,000 miles depending on plug type (e.g., copper vs. platinum).
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Transmission Fluid Change:
Automatic: every 30,000-50,000 miles. Manual: often considered 'lifetime' but inspection and change recommended at higher mileage.
Engine Oil:
SAE 5W-30 or 5W-40 Synthetic (API SJ or higher).
Coolant:
BMW Blue or Green Antifreeze/Coolant (50/50 mix with distilled water).
Power Steering Fluid:
CHF 11S or Pentosin 11S.
Engine Oil Leaks:
Valve cover gasket, oil pan gasket, front/rear main seals.
Cooling System:
Plastic coolant expansion tank can become brittle, water pump failure, heater valve issues.
Electrical:
Failing instrument cluster (e.g., dead pixels), headlight switch issues, EML light (Engine Management Light) related to throttle body or sensors.
Suspension:
Worn control arm bushings, ball joints, and strut mounts leading to sloppy handling and premature tire wear.
Drivetrain:
Driveshaft center support bearing wear, differential mount failure, clutch wear (manual transmission).