Engine:
Detailed diagnostics, overhaul procedures, component testing for M30 and M60 engine families.
Fuel System:
Fuel injection (Bosch Motronic), fuel pump, injectors, pressure regulation, EVAP system.
Ignition System:
Spark plugs, coils, ignition control module, timing.
Cooling System:
Radiator, water pump, thermostat, fan, hoses, coolant specifications.
Exhaust System:
Manifolds, catalytic converter, mufflers, emissions controls.
Transmission Manual:
Clutch, gearbox overhaul, gear linkage, fluid specifications, driveshafts.
Transmission Automatic:
Hydraulic control, torque converter, valve body, electronic controls (if applicable), fluid types and capacity.
Drivetrain:
Rear-wheel drive system, differential, axle shafts, U-joints.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment specifications.
Steering:
Power steering system, pump, rack and pinion, steering column, hydraulic fluid.
Brakes Front:
Vented disc brake systems, calipers, pads, rotors, hydraulic lines.
Brakes Rear:
Disc brake systems, calipers, pads, rotors, parking brake mechanism.
ABS:
Anti-lock Braking System components, sensors, control module, hydraulic unit.
Body And Frame:
Chassis construction, body panel removal/installation, door mechanisms, hinges, locks.
Exterior Trim:
Bumpers, grilles, lighting units, moldings, glass replacement.
Interior Trim:
Dashboard, seats, door panels, headliner, carpeting.
Heating Ventilation Ac:
HVAC system components, blower motor, A/C compressor, refrigerant, climate control operation.
Electrical System:
Wiring diagrams, component locations, fuses, relays, battery, alternator, starter motor.
Lighting System:
Headlights, taillights, interior lights, fog lights, bulb types and replacement.
Instrument Panel:
Gauges, warning lights, speedometer, tachometer, OBC (On-Board Computer) functionality.
Wiper Washer System:
Wiper motor, blades, linkage, washer pump, fluid reservoir.
Power Accessories:
Power windows, power locks, power seats, sunroof operation.
Maintenance:
Oil changes, filter replacements, spark plug service, coolant flushes, brake fluid changes, belt inspections.
Troubleshooting:
Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides.
Repair:
Step-by-step instructions for component removal, installation, and repair of all major systems.
Overhaul:
Complete engine and transmission rebuild procedures.
Diagnostics:
Electrical system diagnostics, engine performance diagnostics, ABS fault finding.
Depth:
Comprehensive, covering from basic preventative maintenance to complete component rebuilds and advanced diagnostics.
Target Audience:
Professional technicians and experienced DIY enthusiasts.
Oil Change:
Every 10,000-15,000 km (6,000-9,000 miles) or annually, depending on driving conditions and oil type used.
Air Filter:
Inspect every 20,000 km (12,000 miles), replace as needed or every 40,000-60,000 km (25,000-37,000 miles).
Spark Plugs:
M30: Typically every 40,000 km (25,000 miles). M60: Typically every 60,000 km (37,000 miles). Manual will specify exact type and interval.
Coolant Flush:
Every 2-3 years or 40,000-60,000 km (25,000-37,000 miles).
Brake Fluid:
Flush and replace every 2 years regardless of mileage.
Engine Oil:
Refer to manual for specific viscosity grade (e.g., 5W-30, 10W-40) and API/BMW specifications. Synthetic oil recommended.
Transmission Fluid Auto:
Specify BMW ATF (e.g., LT-2, LT-3, or equivalent for ZF 4HP22 EH). Capacity approx. 8-10 liters.
Transmission Fluid Manual:
Manual transmission fluid, typically GL-4 or GL-5 gear oil. Capacity approx. 1.5-2.0 liters.
Coolant:
Ethylene glycol-based antifreeze. BMW Blue coolant or equivalent, mixed 50/50 with distilled water.
Power Steering Fluid:
Dexron II or III ATF, or specific BMW hydraulic fluid. Capacity approx. 1-1.5 liters.
Common Failures:
Cooling system component degradation (hoses, plastic expansion tank), VANOS issues (on later M50/M60 variants if applicable), oil leaks (valve cover gasket, oil pan gasket), fuel pump relay failures, ABS sensor issues.
E34 Specifics:
Potential for door seal degradation, headlight leveling system issues, and sagging headliner common for the era.