Engine Code Range:
M10 Series (e.g., M10B18)
Production Years Covered:
1981, 1982, 1983, 1984, 1985
Segment:
Executive Sedan / Mid-size Luxury
Era Context:
Early 1980s, known for solid build quality and driver engagement.
Competitors:
Mercedes-Benz W123/W124 E-Class, Audi 5000, Volvo 740/760, Jaguar XJ.
Model Focus:
Specifically addresses the more accessible 518 variant of the E28 chassis.
Value Proposition:
Provides essential maintenance and repair data for owners of this classic BMW model.
Primary Markets:
Global (focus on models equipped with the M10B18 engine)
Regions:
North America, Europe, Asia
Type:
Complete Workshop Service Repair Manual
Format:
Downloadable Digital File (likely PDF)
Engine:
Complete overhaul, diagnosis, tuning, lubrication, cooling, fuel delivery (carburetor or early injection), ignition system, exhaust system.
Transmission:
Manual and Automatic transmission service, repair, clutch, drivetrain components, driveshafts, differentials.
Brakes:
Hydraulic system, disc and drum brake servicing, caliper and wheel cylinder overhaul, parking brake, fluid specifications.
Suspension:
Front and rear suspension components, shock absorbers, springs, bushings, steering linkage, wheel alignment specifications.
Electrical:
Wiring diagrams, battery, starting system, charging system (alternator), lighting, instrumentation, accessories, fuses, relays.
Bodywork:
Body panel repair, interior trim, door mechanisms, glass replacement, rust prevention and repair techniques.
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair (where applicable to the 518 model).
Maintenance:
Routine maintenance tasks, fluid changes, filter replacements, spark plug service, belt adjustments.
Troubleshooting:
Diagnostic charts, common problems and their solutions, symptom-based troubleshooting guides.
Repair:
Step-by-step repair instructions for all major components and systems.
Rebuilds:
Detailed procedures for engine and transmission rebuilds, including specifications for component clearances.
Diagnostics:
Component testing, electrical circuit analysis, fuel system pressure tests.
Depth:
Comprehensive from basic maintenance to full engine and drivetrain overhaul. Includes detailed technical data and specifications.
Engine Type:
Inline 4-cylinder, SOHC
Displacement:
1.8 Liters (1766 cc)
Horsepower Range:
Approx. 90-105 hp (depending on market and fuel system)
Torque Range:
Approx. 100-110 lb-ft (depending on market and fuel system)
Fuel Delivery:
Typically Carburetor (e.g., Solex) or Bosch L-Jetronic fuel injection for some variants.
Fuel Type:
Unleaded Gasoline (Octane rating as per owner's manual)
Timing Belt Or Chain:
Timing Chain (durability advantage)
Era Safety Standards:
Reflects early 1980s safety design; chassis designed with crumple zones.
Brakes:
Front disc brakes, rear drum brakes (standard on 518), ABS optional on later models/variants.
Steering:
Power assisted steering (standard on most models).
Airbags:
Not standard on early E28 models; optional on later variants.
Seatbelts:
Front 3-point seatbelts, rear lap belts (3-point belts often optional or for outboard rear seats).
Radio:
Factory AM/FM radio with cassette player, often with a multi-speaker setup. Upgrades are common.
Dashboard:
Classic analog gauges, oil pressure, voltmeter, and trip computer on some models.
ABS:
Optional on later E28s, but not standard on early 518 models.
Original Features:
Basic connectivity via radio and speaker system.
Oil Change:
Typically every 7,500-10,000 miles or 12 months, consult manual for specifics.
Spark Plugs:
Replace every 20,000-30,000 miles, depending on plug type.
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Engine Oil:
API SG or higher; SAE 10W-40 or 20W-50 recommended (consult manual for exact viscosity based on climate).
Coolant:
BMW Blue Antifreeze or equivalent (50/50 mix with distilled water).
Brake Fluid:
DOT 3 or DOT 4.
Transmission Fluid Manual:
GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90).
Transmission Fluid Automatic:
Dexron III or equivalent.
Rust Prone Areas:
Wheel arches, rocker panels, door bottoms, trunk lid edges, strut towers.
Cooling System:
Radiator leaks, hoses hardening and cracking, water pump failures, thermostat issues.
Electrical Gremlins:
Corroded grounds, failing relays, aged wiring insulation, issues with the instrument cluster and voltage regulator.
Fuel System:
Carburetor issues (clogging, tuning), fuel pump, fuel filter, and sender unit failures.
Suspension Wear:
Worn control arm bushings, ball joints, tie rod ends, shock absorbers.
Bmw Legacy:
BMW's reputation for sporty sedans and engineering excellence established with the Neue Klasse and 3/5 Series.
E12 Predecessor:
Successor to the E12 5 Series, introducing a more modern and aerodynamic design.
E34 Successor:
Preceded the E34 5 Series.
Production Years:
1981-1988 (E28 generation)
Manufacturing Locations:
Germany (Dingolfing)
