Engine Mechanical:
Complete engine disassembly, assembly, overhaul, timing, valve train, pistons, crankshaft, camshaft, oil pump
Fuel System:
Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel pressure regulator, throttle body, fuel filter, fuel tank
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan, expansion tank, cooling fan clutch/electric motor
Lubrication System:
Oil pan, oil pump, oil filter, oil passages, oil pressure checks
Ignition System:
Ignition coil, distributor (if applicable), spark plugs, ignition timing, ECU control
Exhaust System:
Exhaust manifold, catalytic converter (if applicable), muffler, pipes
Transmission Manual:
Clutch, gearbox disassembly, assembly, shifting mechanisms, gear oil specification
Transmission Automatic:
If applicable to 518i, covers automatic transmission overhaul, fluid, torque converter
Drivetrain:
Driveshafts, universal joints, rear axle, differential, half-shafts
Suspension Front:
MacPherson struts, control arms, ball joints, bushings, anti-roll bar
Suspension Rear:
Semi-trailing arms, shock absorbers, springs, bushings, anti-roll bar
Steering System:
Steering rack, power steering pump, steering column, tie rod ends
Brake System:
Disc brakes (front and rear), brake pads, calipers, master cylinder, brake fluid, parking brake
Electrical System Overview:
Battery, charging system (alternator), starting system (starter motor), fuses, relays, main wiring harnesses
Lighting System:
Headlights, taillights, interior lights, indicators, bulb types and replacement
Instrumentation And Gauges:
Speedometer, tachometer, fuel gauge, temperature gauge, warning lights
Comfort Systems:
Heating, ventilation, air conditioning (HVAC) system components and operation
Bodywork And Chassis:
Body panel removal and installation, chassis components, corrosion protection
Emission Control:
Emission control systems, diagnosis, and adjustment (specific to the 1980s technology)
Preventive Maintenance:
Scheduled maintenance checks, oil changes, filter replacements, fluid top-offs, belt inspections
Troubleshooting:
Diagnostic procedures for common issues, symptom-based troubleshooting guides
Repair And Rebuild:
Step-by-step instructions for component removal, repair, and reinstallation
Disassembly And Assembly:
Detailed breakdown of major vehicle systems for overhaul
Adjustment And Calibration:
Procedures for setting engine timing, idle speed, clutch engagement, etc.
Wiring Diagrams:
Comprehensive electrical wiring schematics for all vehicle systems
Depth:
Comprehensive factory-level detail, suitable for professional mechanics and dedicated DIY enthusiasts
Detail Level:
Includes exploded views, diagrams, torque specifications, clearances, and diagnostic data
Oil Change Interval:
Typically every 7,500-15,000 km (4,500-9,000 miles) or 6-12 months, depending on driving conditions and oil used (refer to manual for specifics).
Air Filter Replacement:
Every 20,000-30,000 km (12,000-18,000 miles) or as needed based on inspection.
Spark Plug Replacement:
Typically every 20,000-40,000 km (12,000-24,000 miles), depending on plug type (refer to manual).
Engine Oil Type:
Refer to manual for specific viscosity (e.g., 10W-40, 20W-50) and API service classification (e.g., SF, SG).
Coolant Type:
Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. Specific BMW coolant type is recommended.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Transmission Fluid Manual:
GL-4 gear oil, SAE 75W-90 or 80W-90 recommended by many sources.
Transmission Fluid Automatic:
ATF Dexron II or equivalent, if equipped with automatic transmission.
Common Problems:
Cooling system leaks (hoses, radiator), fuel injector issues, idle control problems, door seal degradation, rust in common E28 areas (wheel arches, rocker panels).
Electrical Quirks:
Aging wiring harness insulation, intermittent dashboard warning lights, failing fuel pump relays.
