Engine:
Comprehensive coverage including maintenance, diagnostics, repair, and specifications.
Control System:
Engine control unit (ECU) and related sensors and actuators.
Mechanical:
Detailed mechanical components and their repair procedures.
Fuel System:
Fuel delivery, injection system, fuel pump, injectors, and pressure regulation.
Emission Control:
Catalytic converter, oxygen sensors, and emission control systems.
Intake Exhaust Cooling:
Intake manifold, exhaust system, radiators, cooling fan, and coolant circuits.
Lube:
Lubrication system, oil pump, oil filter, and oil specifications.
Ignition Starting Charging:
Spark plugs, ignition coils, alternator, starter motor, and battery system.
Auto Transmission:
N/A for 1988 M5 E34 as it was exclusively manual.
Manual Transmission:
Detailed repair and maintenance for the 5-speed manual gearbox.
Transfer Propeller Shaft:
Driveshaft, universal joints, and associated components.
Drive Shaft:
Rear axle, differential, and half-shafts.
Differential:
Limited-slip differential (LSD) specific maintenance and repair.
Axle Suspension:
Front and rear suspension systems, including springs, dampers, control arms, and bushings.
Tire Wheel:
Wheel specifications, bolt patterns, tire pressure recommendations, and mounting procedures.
Brake Control:
ABS (Anti-lock Braking System) diagnostics and repair.
Brake:
Front and rear brake systems, including calipers, rotors, pads, and hydraulic lines.
Parking Brake:
Parking brake mechanism and adjustments.
Steering Column:
Steering column assembly, tilt, and telescoping mechanisms.
Power Steering:
Power steering pump, rack and pinion, fluid, and troubleshooting.
Air Condition:
HVAC system, refrigerant, compressor, and climate control unit.
Suppl Restraint System:
Airbag system diagnostics and component replacement (though 1988 M5 did not have airbags as standard).
Seat Belt:
Seat belt mechanisms and maintenance.
Engine Immobilizer:
Likely not applicable to the 1988 E34 M5.
Cruise Control:
Cruise control system operation, diagnosis, and repair.
Wiper Washer:
Windshield wiper and washer system components and troubleshooting.
Door Lock:
Central locking system, door lock mechanisms, and power windows.
Meter Audio Visual:
Instrument cluster, gauges, and original audio system (if applicable).
Horn:
Horn system operation and troubleshooting.
Windshield Glass Mirror:
Windshield replacement, glass sealing, and mirror adjustments.
Instrument Panel:
Instrument panel removal, component replacement, and illumination.
Seat:
Seat adjustment mechanisms and upholstery repair.
Engine Hood Door:
Hood, door, and trunk lid hinges, latches, and alignment.
Exterior Interior:
Body panels, trim, interior trim pieces, and detailing.
Electrical:
Complete electrical system diagnostics, component testing, and wiring diagrams.
Multiplex Can Communication:
Likely limited to older multiplex systems; CAN communication not present on this model.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, tune-ups.
Diagnostics:
Troubleshooting common and uncommon issues across all vehicle systems.
Repair:
Step-by-step repair procedures for all major and minor components.
Rebuild:
Engine, transmission, and differential rebuild instructions.
Installation:
Component installation and replacement guidance.
Adjustment:
Alignment, clutch, brake, and other system adjustments.
Schematics:
Detailed wiring schematics for all electrical systems.
Depth:
Factory-level, comprehensive, from basic maintenance to complete overhaul and diagnostics.
Oil Change Interval:
Typically every 7,500-10,000 miles (12,000-16,000 km) or annually, depending on driving conditions. Manual will specify precise intervals.
Spark Plug Replacement:
Around 30,000 miles (48,000 km). Manual will detail specific plug type and gap.
Brake Fluid Flush:
Every 2 years to maintain optimal performance and prevent corrosion.
Coolant Flush:
Every 2-3 years or as per manual recommendations.
Timing Chain Inspection:
The S38 uses a timing chain, generally considered a lifetime component but requires regular inspection for tension and guides. Manual will detail inspection intervals.
Engine Oil Type Spec:
BMW High Performance 15W-50 or a high-quality synthetic equivalent meeting BMW's specifications for the era.
Coolant Type:
BMW Blue Antifreeze (G48) or equivalent ethylene glycol-based coolant.
Brake Fluid Type:
DOT 4 brake fluid.
Common Wear Items:
Bushings (suspension, subframe), cooling system components (hoses, water pump, thermostat), fuel injectors, fuel pump, door seal deterioration, VANOS issues (on later S38 variants, not applicable to the 1988 S38B36).
Engine Specific Concerns:
Potential for oil leaks, idle control issues, and camshaft wear if maintenance is neglected. The S38B36 is a robust engine, but requires diligent care.