Primary Coverage:
Full Service, Repair, Diagnostics, Troubleshooting, Maintenance
Component Coverage:
Engine Mechanical, Engine Electrical, Emission Control, Fuel System, Clutch, Manual Transaxle, Automatic Transaxle, Driveshaft, Axles, Suspension, Steering, Restraint Systems, Brake System, Body (Interior/Exterior), Body Electrical, HVAC
Estimated Pages:
Comprehensive (Specific count not provided, typical for full workshop manuals)
Type:
Workshop Service Repair Manual
Engine Mechanical:
Detailed information on engine assembly, disassembly, component specifications, timing, and rebuild procedures.
Engine Electrical:
Complete wiring diagrams, ignition system, starting and charging systems, sensor functions, and troubleshooting.
Emission Control:
Diagnostics and repair procedures for emission control systems, including catalytic converters, O2 sensors, and emissions-related components.
Fuel System:
In-depth coverage of fuel injection system (Bosch Motronic), fuel pump, injectors, fuel pressure regulators, and tank.
Clutch System:
Service and repair for the clutch assembly, including clutch disc, pressure plate, release bearing, and hydraulic actuation.
Manual Transaxle:
Detailed procedures for removal, disassembly, inspection, and reassembly of the manual transmission.
Automatic Transaxle:
Coverage for the optional automatic transmission, including service, diagnostics, and fluid specifications.
Driveshaft And Axles:
Service procedures for driveshafts, universal joints, CV joints, and rear axle components.
Suspension System:
Front and rear suspension component service, alignment specifications, and replacement of bushings, shocks, and springs.
Steering System:
Repair and adjustment of the power steering system, steering rack, tie rods, and associated components.
Restraint Systems:
Information on seat belts and airbag systems (if applicable for the 1988 model year), though focus is typically on seat belts.
Brake System:
Service for hydraulic brake system, ABS (if equipped), brake pads, rotors, calipers, and bleeding procedures.
Body Interior Exterior:
Repair procedures for body panels, doors, windows, trim, interior components, and body sealing.
Body Electrical:
Wiring and troubleshooting for exterior lights, interior lights, power windows, mirrors, and central locking.
HVAC:
Service and repair of the heating, ventilation, and air conditioning systems, including refrigerant, blower motor, and climate controls.
Maintenance:
Scheduled maintenance intervals, fluid changes, filter replacements, spark plug service, and tune-ups.
Troubleshooting:
Step-by-step diagnostic procedures for common and complex issues, fault code interpretation (if applicable).
Repair:
Detailed instructions for component removal, installation, replacement, and adjustment for all major systems.
Diagnostics:
Guidance on using diagnostic tools and interpreting symptoms to identify problems.
Specifications:
Torque values, clearances, fluid capacities, and other critical technical data.
Wiring Diagrams:
Comprehensive and detailed wiring schematics for all electrical systems.
Depth:
Expert Level (Full Workshop Manual)
Target Audience:
Professional Mechanics, Enthusiast DIYers
Content Quality:
Vehicle-Specific, Manufacturer-Approved Procedures
Oil Change:
Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions.
Spark Plugs:
Approximately every 15,000-30,000 miles, depending on plug type.
Coolant Flush:
Every 2 years or 30,000 miles.
Engine Oil:
SAE 15W-50 or 20W-50 synthetic (check manual for specific viscosity recommendations for ambient temperature).
Coolant:
BMW Blue Antifreeze/Coolant concentrate mixed with distilled water (50/50 ratio).
Brake Fluid:
DOT 4 Synthetic Brake Fluid.
Manual Transmission Fluid:
SAE 75W-90 or 80W-90 GL-4 Gear Oil (check manual for specific recommendations).
Common Problems:
Head gasket leaks, VANOS issues (if applicable to specific variants, though S14 is fixed timing), subframe mounting points cracking, rust in common areas (wheel wells, rocker panels), cooling system component failure (radiator, water pump).
