Engine Mechanical:
Complete overhaul, disassembly, assembly, timing, cylinder head, block, pistons, crankshaft, camshafts
Engine Performance And Tuning:
Carburetor/fuel injection adjustment, ignition timing, performance tuning guidelines
Fuel System:
Fuel pump, fuel tank, fuel lines, carburetor models (Zenith, Solex, Pierburg), fuel injection systems (Bosch L-Jetronic for later models)
Cooling System:
Radiator, water pump, thermostat, fan, hoses, coolant specifications
Exhaust System:
Muffler, catalytic converter (later models), exhaust manifold, pipe routing, replacement procedures
Transmission Manual:
Gearbox overhaul, clutch replacement, shift linkage adjustment, fluid specifications
Transmission Automatic:
Automatic gearbox overhaul, fluid checks, adjustment procedures (if applicable to specific models)
Drivetrain And Axles:
Driveshafts, universal joints, differential overhaul, fluid specifications
Suspension Front:
MacPherson struts, control arms, ball joints, bushings, spring replacement, alignment specifications
Suspension Rear:
Trailing arms, shock absorbers, springs, bushings, semi-trailing arm bearings, alignment specifications
Steering System:
Steering rack, tie rods, steering column, power steering fluid (if equipped), adjustment
Brake System Front:
Disc brake calipers, pads, rotors, hydraulic lines, bleeding procedures
Brake System Rear:
Drum brakes (early models) or disc brakes (later models), shoes, drums/rotors, parking brake mechanism
Electrical System Charging:
Alternator, voltage regulator, battery, wiring diagrams
Electrical System Ignition:
Distributor, ignition coil, spark plugs, points (early models), electronic ignition systems, timing
Electrical System Lighting:
Headlights, taillights, turn signals, interior lighting, bulb specifications, wiring
Electrical System Accessories:
Wipers, horn, radio, power windows, power locks, starter motor, fuses, relays, wiring diagrams
Body And Chassis:
Body panel removal and installation, rust repair, structural components
Interior Trim:
Dashboard, door panels, upholstery, headliner, carpet removal and installation
Climate Control:
Heater core, blower motor, ventilation system, air conditioning (if factory equipped) repair and servicing
Routine Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement, belt adjustments, brake adjustments
Troubleshooting:
Diagnostic flowcharts, common problems and solutions, electrical diagnostics
Major Repairs:
Engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs
Component Disassembly And Assembly:
Step-by-step guides with detailed instructions and diagrams for all major components
Technical Specifications:
Torque values, clearances, tolerances, fluid capacities, electrical resistance values
Wiring Diagrams:
Comprehensive electrical schematics for all systems
Depth Of Information:
Factory-level detail, suitable for professional mechanics and advanced DIY enthusiasts
Diagrams And Illustrations:
Highly detailed exploded views and step-by-step diagrams
Oil Change Interval:
Typically every 5,000-7,500 miles (8,000-12,000 km) or annually, whichever comes first.
Spark Plug Replacement:
Approximately every 15,000-20,000 miles (24,000-32,000 km).
Timing Belt Chain:
M10 and M20 engines use timing chains, designed for the life of the engine but require periodic tensioner checks.
Engine Oil Type:
API SG or higher, SAE 20W-50 or 10W-40 (check manual for specific climate recommendations).
Coolant Type:
Ethylene glycol-based antifreeze (e.g., BMW Blue or equivalent) mixed with distilled water.
Transmission Fluid Manual:
GL-4 gear oil, SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Dexron III or equivalent automatic transmission fluid (ATF).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Power Steering Fluid:
ATF (Dexron II/III) or specified hydraulic fluid.
Rust Susceptibility:
Common areas include wheel arches, rocker panels, floor pans, and battery tray.
Cooling System Leaks:
Radiator, hoses, and water pump seals can degrade over time.
Carburetor Tuning:
Carburetors require periodic adjustment and rebuilds due to wear and deposits.
Rear Axle Bushings:
Semi-trailing arm pivot bearings and bushings are common wear items leading to alignment issues and clunks.
Electrical Connections:
Corrosion or looseness in electrical connectors can lead to intermittent issues.
