Engine Mechanical:
Complete engine overhaul, cylinder head, block, pistons, crankshaft, camshafts, timing, lubrication, cooling.
Engine Management:
Engine Control Unit (ECU) diagnostics, fuel injection, ignition system, sensors, actuators, emissions control.
Transmission:
Automatic Transmission (e.g., 5HP30): Overhaul, torque converter, valve body, electronic control, fluid services.
Drivetrain:
Rear-wheel drive system, driveshafts, differential, axle shafts.
Suspension:
Front and rear suspension components, struts, shocks, control arms, bushings, springs, self-leveling suspension (if applicable).
Steering:
Power steering system, steering rack, pump, hoses, steering column.
Brakes:
Hydraulic system, ABS (Anti-lock Braking System), brake calipers, rotors, pads, lines, bleeding procedures.
Electrical System:
Battery, charging system, starter, alternator, wiring diagrams, fuses, relays, lighting.
Body And Chassis:
Body panels, doors, hinges, latches, glass, trim, chassis components, corrosion protection.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system, climate control, refrigerant, compressor, blower motor.
Interior:
Seats, dashboard, center console, door panels, interior trim, seat belts.
Diagnostic Troubleshooting:
Extensive diagnostic flowcharts and symptom-based troubleshooting for all major systems.
Preventative Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, inspections.
Component Repair Overhaul:
Detailed step-by-step instructions for repair and overhaul of virtually all mechanical and electrical components.
Diagnostic Procedures:
Systematic diagnostic approaches, using specialized tools and test equipment.
Wiring Diagrams:
Comprehensive and accurate electrical schematics for all vehicle circuits.
Torque Specifications:
Precise torque values for all fasteners and critical assembly points.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Depth:
Comprehensive: Covers everything from basic maintenance to full engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.
Oil Change:
Typically every 7,500 - 10,000 miles or 12 months, depending on driving conditions and oil used. Check manual for specific recommendations.
Spark Plugs:
Refer to manual for specific type and interval (e.g., platinum or iridium plugs might have longer intervals).
Coolant Flush:
Typically every 2-3 years or as per manual recommendation.
Engine Oil:
Refer to manual; typically SAE 5W-30 or 5W-40 synthetic oil meeting BMW LL-98 or LL-01 specifications (check for specific M60 approval).
Transmission Fluid:
ZF LifeguardFluid 5 (or equivalent approved fluid for 5HP30 transmission).
Coolant:
BMW Blue Antifreeze/Coolant concentrate mixed with distilled water (50/50 ratio).
Brake Fluid:
DOT 4 Low Viscosity (LV) brake fluid.
Common Problems:
Head gasket leaks (especially on early M60 engines), coolant leaks from plastic components (e.g., expansion tank, hose connectors), VANOS seal wear (if applicable to specific early M60 variants), electronic sensor failures, EML (Engine Management Light) issues, aging wiring harnesses, ABS/ASC sensor failures, power steering leaks.
Maintenance Priority:
Regular maintenance and proactive replacement of aging rubber and plastic components are crucial for reliability.
