Engine Mechanical:
Complete overhaul procedures, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, valve train, timing system.
Fuel System:
Fuel injection (Bosch Motronic), fuel pump, injectors, fuel pressure regulator, fuel lines, evaporative emissions control.
Ignition System:
Ignition coils, spark plugs, distributor (if applicable for specific early models), Motronic control unit.
Cooling System:
Radiator, water pump, thermostat, hoses, fan clutch, coolant specifications.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, oxygen sensors.
Transmission Manual:
Clutch operation, gearbox overhaul, gear shift mechanism, fluid specifications, component replacement.
Transmission Automatic:
Hydraulic control, torque converter, valve body, seals, fluid specifications, diagnostic procedures, component replacement.
Drivetrain Suspension:
Driveshafts, universal joints, differential, axles, front and rear suspension components, bushings, shock absorbers, control arms.
Steering System:
Power steering pump, steering rack, steering column, tie rods, fluid specifications, troubleshooting.
Braking System:
Front and rear brake calipers, rotors, pads, master cylinder, ABS system components and diagnostics, brake fluid specifications.
Electrical System Overview:
Wiring diagrams, component locations, voltage specifications, battery, alternator, starter motor.
Lighting System:
Headlights, taillights, interior lights, bulb types, wiring.
Instrumentation Gauges:
Speedometer, tachometer, fuel gauge, temperature gauge, warning lights, sensor diagnostics.
Climate Control:
HVAC system components, blower motor, A/C compressor, refrigerant, climate control module diagnostics.
Body And Chassis:
Body panel removal and installation, door mechanisms, interior trim, bumpers, glass replacement.
Diagnostics Troubleshooting:
Fault code reading (where applicable), diagnostic procedures for major systems, common problem identification.
Scheduled Maintenance:
Detailed instructions for routine service, including oil changes, filter replacements, spark plug replacement, and inspections.
Engine Overhaul:
Step-by-step guidance for complete engine disassembly, inspection, repair, and reassembly.
Transmission Service:
Procedures for fluid changes, filter replacements, seal replacements, and complete gearbox rebuilding for both manual and automatic transmissions.
Brake System Repair:
Instructions for pad and rotor replacement, caliper servicing, brake line bleeding, and ABS system component replacement and diagnostics.
Suspension And Steering Repair:
Guidelines for replacing ball joints, control arm bushings, tie rods, and servicing power steering components.
Electrical Component Replacement:
Procedures for replacing starter motors, alternators, fuel pumps, sensors, and other electrical parts.
Climate Control Repair:
Instructions for A/C system servicing, component replacement, and troubleshooting HVAC issues.
Bodywork Procedures:
Guidance on removing and installing body panels, doors, windows, and interior trim.
Troubleshooting Guides:
Systematic approaches to diagnose and resolve common and uncommon vehicle issues.
Depth:
Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures.
Oil Change Interval Km:
Typically 10,000 - 15,000 km or 12 months, depending on driving conditions and oil used (consult manual for exact recommendations).
Major Service Intervals Km:
Spark plugs, coolant, transmission fluid, differential fluid checks and replacements at specified intervals (e.g., 40,000-60,000 km, consult manual).
Engine Oil Type:
Synthetic or semi-synthetic API SJ/SL or ACEA A3/B3, viscosity typically 5W-40 or 10W-40 (refer to manual for specific M30B35 recommendation).
Engine Oil Capacity Liters:
6.5 Liters (with filter change, approximate).
Coolant Type:
BMW Blue Antifreeze (G48) or equivalent ethylene glycol-based coolant with corrosion inhibitors. Do not mix with other types.
Brake Fluid Type:
DOT 4 (or DOT 3 depending on original specification, DOT 4 is generally compatible and preferred for modern usage).
Power Steering Fluid Type:
BMW Power Steering Fluid (or ATF Dexron II/III in some cases, consult manual).
Engine Oil Leaks:
Common leaks from valve cover gasket, oil pan gasket, and oil filter housing due to age and material degradation.
Cooling System:
Cracked plastic coolant expansion tanks, failing water pumps, and deteriorating hoses can lead to overheating.
Fuel Delivery:
Aging fuel pumps, clogged fuel injectors, and failing fuel pressure regulators can cause performance issues.
Suspension Components:
Worn control arm bushings, tie rod ends, and ball joints due to mileage and age, affecting steering and ride quality.
E34 Specific:
Dashboard 'check control' system can be prone to sensor failures, and the OBC (On-Board Computer) may require recalibration or repair.
E34 Specific Electrical:
Corrosion in wiring harnesses, especially in engine bay connectors, and failing door lock actuators.