Market Segment:
Executive sedan, luxury sports sedan
Key Competitors:
Mercedes-Benz W123/W124, Audi 5000, Jaguar XJ6, Volvo 240/740
Driving Dynamics:
Renowned for superior handling, balance, and driver engagement typical of BMW's 'Ultimate Driving Machine' ethos.
Powertrain Robustness:
The M30 engine is known for its durability and longevity when properly maintained.
Build Quality:
High-quality materials and German engineering contribute to a durable and premium feel.
Model Years Covered:
1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988
Specific Models Covered:
BMW 528i
Estimated Page Count:
Comprehensive (Exact count varies by edition, typically 1000+ pages for full workshop manuals)
Manual Type:
Complete Workshop Service Repair Manual
Format:
Downloadable (Typically PDF)
Engine Mechanical:
Engine overhaul, cylinder head, block assembly, pistons, crankshaft, camshafts, timing, lubrication, cooling system
Engine Management:
Fuel injection (Bosch L-Jetronic/Motronic), ignition system, sensors, actuators, emission controls, diagnosis
Transmission:
Manual transmission overhaul and repair, automatic transmission overhaul and repair, clutch operation, driveshafts, differential
Brakes:
Hydraulic system, ABS (if equipped), brake calipers, rotors, pads, master cylinder, lines, parking brake
Suspension:
Front suspension (MacPherson struts, control arms), rear suspension (semi-trailing arms), shock absorbers, springs, bushings, steering linkage
Electrical System:
Battery, charging system, starter, lighting, instruments, wiring diagrams, fuse/relay identification, comfort systems
Body And Chassis:
Body panels, doors, windows, sunroof, interior trim, crash structure, chassis lubrication
Heating Ventilation And Air Conditioning:
HVAC system components, refrigerant service, blower motor, climate control unit
Routine Maintenance:
Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, belt inspections
Diagnostic Procedures:
Troubleshooting charts, symptom-based diagnosis, fault code interpretation (for Motronic systems)
Repair And Overhaul:
Complete disassembly, inspection, repair, and reassembly of all major vehicle systems
Component Replacement:
Step-by-step instructions for replacing specific parts like radiators, alternators, fuel pumps, brake calipers
Specifications And Data:
Torque specifications, clearances, fluid capacities, alignment data, electrical resistance values
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems
Depth Of Coverage:
Comprehensive from basic owner maintenance to complete engine and transmission rebuilds
Diagnostic Focus:
Includes detailed troubleshooting guides for common and complex issues, leveraging diagnostic codes and procedures.
Special Tools:
Lists required BMW special tools and their usage for specific procedures
Safety Ratings:
Era-specific safety standards, no standardized crash ratings like modern NCAP. Focus on passive safety features for the time.
Brakes:
Front: Ventilated discs; Rear: Solid discs. ABS available as an option on later models.
Steering:
Recirculating ball, power assisted
Seatbelts:
3-point inertia reel seatbelts front and rear
Body Structure:
Reinforced safety cell, deformable crumple zones
Headlights:
Halogen headlights (sealed beam or composite depending on year and market)
Oil Change Interval:
Typically every 5,000-7,500 miles or annually. Consult manual for exact recommendation based on driving conditions.
Spark Plug Replacement:
Every 20,000-30,000 miles, depending on plug type (e.g., standard, platinum).
Coolant Flush:
Every 2-3 years or as recommended in manual.
Engine Oil Type:
SAE 20W-50 or 15W-40, API SG or higher (check manual for precise recommendation)
Coolant Type:
BMW Blue Coolant (G48) or equivalent ethylene glycol-based coolant
Transmission Fluid Manual:
SAE 75W-90 synthetic gear oil (API GL-4 or GL-5, check manual)
Transmission Fluid Automatic:
ZF Lifeguardfluid 5 or equivalent ATF (Dexron III historically)
Engine Oil Leaks:
Common leaks from valve cover gasket, oil pan gasket, and front/rear main seals due to age.
Cooling System:
Radiator, hoses, and water pump can degrade with age, leading to leaks or overheating.
Fuel Injectors:
Early L-Jetronic systems can have injector issues; Motronic systems are generally more reliable but can have sensor problems.
Electrical Connectors:
Corrosion and degradation of wiring and connectors can lead to intermittent electrical faults.
Suspension Bushings:
Rubber bushings in suspension and control arms deteriorate, affecting ride quality and handling.
Brand Philosophy:
BMW's commitment to performance, luxury, and driver-centric engineering.
E28 Introduction:
The E28 succeeded the E12 and was BMW's second generation of the 5 Series. It represented a significant evolution in styling, engineering, and technology for BMW.
E28 Development:
Focused on improving aerodynamics, chassis dynamics, and interior comfort compared to its predecessor.
Production Years E28:
1981-1988
Manufacturing Locations:
Germany (primarily Dingolfing)
