Engine Mechanical:
Complete overhaul, diagnosis, component testing, timing, sealing
Fuel System:
Fuel injection (Bosch LE2-Jetronic, K-Jetronic depending on market), fuel pump, lines, injectors, pressure regulation
Ignition System:
Distributor, coil, spark plugs, wiring, timing adjustments
Cooling System:
Radiator, thermostat, water pump, hoses, fan, coolant specifications
Exhaust System:
Exhaust manifold, catalytic converter (if applicable), mufflers, pipes, hanger replacement
Transmission Manual:
Clutch operation, gearbox overhaul, linkage adjustment, fluid specifications
Transmission Automatic:
Identification of automatic variants, general operation, fluid checks, basic troubleshooting (if applicable to 316)
Drivetrain Rear Axle:
Differential, drive shafts, axle seals, fluid specifications
Suspension Front:
MacPherson struts, control arms, ball joints, bushings, steering knuckle, wheel bearings
Suspension Rear:
Semi-trailing arms, shock absorbers, springs, bushings, sway bar
Steering System:
Steering rack, tie rods, steering column, linkages, fluid specifications (for power steering, if equipped)
Brake System Front:
Disc brakes, calipers, pads, rotors, bleeding procedure
Brake System Rear:
Disc brakes (or drums on some early models), calipers/drums, pads/shoes, rotors/drums, bleeding procedure
Wheels And Tires:
Tire sizes, pressure recommendations, wheel types, bolt patterns
Electrical System Battery Charging:
Battery specifications, alternator, voltage regulator, testing procedures
Electrical System Lighting:
Headlights, taillights, turn signals, interior lights, bulb types
Electrical System Wiring Harnesses:
Wiring diagrams, connector identification, troubleshooting electrical faults
Body And Chassis:
Body panel removal/installation, door mechanisms, glass replacement, rust repair fundamentals
Heating Ventilation And Air Conditioning HVAC:
Blower motor, heater core, A/C system components (if equipped), refrigerant types (R12), basic service
Routine Maintenance:
Oil changes, filter replacements, spark plug service, fluid checks and top-offs
Troubleshooting:
Diagnostic procedures for common symptoms, fault codes (if applicable), electrical system diagnosis
Engine Rebuilding:
Piston replacement, ring replacement, bearing service, cylinder head overhaul, crankshaft inspection
Transmission Repair:
Gearbox disassembly and reassembly, seal replacement, bearing service
Brake Service:
Pad and rotor replacement, caliper rebuilds, brake line replacement, bleeding
Suspension And Steering Repair:
Component replacement (bushings, ball joints, tie rods, struts), alignment specifications
Electrical Diagnostics:
Wiring diagram interpretation, component testing (e.g., starter, alternator, ignition coil), fuse/relay identification
Fuel System Diagnosis:
Injector testing, fuel pressure testing, airflow sensor diagnosis
Timing Belt Or Chain Service:
Procedure for setting engine timing, replacement intervals (though 316 M10 engines are typically chain-driven)
Depth Of Coverage:
Comprehensive, covering from basic maintenance to complete engine and drivetrain overhauls.
Diagnostic Capabilities:
Detailed symptom-based troubleshooting guides and component testing procedures.
Repair Instructions:
Step-by-step illustrated procedures for most repair and replacement tasks.
Technical Specifications:
Torque values, clearances, fluid capacities, electrical specifications.
Oil Change Interval:
Typically every 3,000-5,000 miles or 6-12 months, depending on driving conditions and oil type used (refer to manual for specific recommendations).
Air Filter Replacement:
Every 12,000-15,000 miles or annually.
Spark Plug Replacement:
Every 15,000-30,000 miles, depending on plug type (refer to manual for specific part numbers and gaps).
Coolant Flush:
Every 2-3 years or 30,000 miles.
Engine Oil Type:
Refer to manual, typically 20W-50 or 15W-40 for older models; consult manual for modern equivalents.
Coolant Type:
Ethylene glycol based antifreeze, mixed 50/50 with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for exact specification).
Transmission Fluid Manual:
GL-4 Gear Oil (e.g., 75W-90 or 80W-90, check manual for specific viscosity).
Transmission Fluid Automatic:
Dexron II or equivalent (if equipped).
Differential Fluid:
GL-5 Gear Oil (e.g., 75W-90 or 80W-90).
Common E30 Issues:
Fuel distributor leaks (K-Jetronic), fuel pump failure, cooling system component degradation (hoses, radiator), rear trailing arm bushings, sunroof drains clogging, rust (especially in common areas).
M10 Engine Quirks:
Potential for oil leaks from the front crank seal and valve cover gasket, vacuum leaks affecting idle quality.