🏷️ Basic Information

Make:

BMW

Model:

518

Year:

1984

Chassis Code:

E28

Engine Code Family:

M30

👋 Introduction

Positioning:

The BMW 518 (E28) was positioned as a more accessible, yet still premium, executive sedan in BMW's lineup, offering a balance of performance and efficiency.

Competitors:

Competed with models like the Mercedes-Benz W123/W124 E-Class, Audi 100, and Jaguar XJ series.

Design Philosophy:

Embodied BMW's 'ultimate driving machine' ethos with a focus on driver engagement, solid build quality, and a sophisticated, understated design.

📋 Manual Details

Coverage:

Comprehensive service and repair for BMW 518 (E28) 1984 model year.

Pages:

Estimated 400-600 pages (typical for a comprehensive workshop manual of this era).

Type:

Workshop Manual / Service Repair Manual

Language:

English

Format:

Print

📖 Manual Coverage

Engine:

Detailed diagnostics, overhaul, timing, fuel injection, ignition system, cooling, lubrication.

Transmission:

Manual and Automatic transmission overhaul, servicing, troubleshooting, fluid specifications.

Drivetrain:

Driveshaft, differential, axle shafts, wheel bearings, lubrication.

Suspension:

Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment.

Steering:

Steering gear, power steering system, tie rods, steering column, troubleshooting.

Brakes:

Front and rear brake systems (disc/drum), hydraulic circuits, ABS (if equipped), parking brake, servicing.

Electrical:

Starter, alternator, battery, lighting systems, ignition system, wiring diagrams, fuses, relays, dashboard instruments.

Bodywork:

Body panel removal/installation, door mechanisms, glass, bumpers, trim, corrosion protection.

HVAC:

Heating and air conditioning system diagnosis and repair, refrigerant handling (if applicable).

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel injectors, fuel pressure regulator, L-Jetronic (Bosch) system.

Scheduled Maintenance:

Oil changes, filter replacements, fluid checks, spark plug replacement, belt tensioning.

Engine Overhaul:

Complete engine disassembly, inspection, measurement, and reassembly.

Transmission Repair:

Detailed steps for gearbox repair, clutch replacement, torque converter service.

Brake System Repair:

Pad/shoe replacement, caliper/cylinder overhaul, brake line bleeding.

Electrical Troubleshooting:

Diagnosis of electrical faults using wiring diagrams and test procedures.

Suspension Component Replacement:

Ball joints, control arm bushings, tie rod ends, shock absorber replacement.

Steering System Repair:

Power steering pump, rack and pinion, steering linkage overhaul.

Body Panel Alignment:

Procedures for adjusting doors, hoods, and trunk lids.

Fuel Injection System Diagnosis:

Troubleshooting the Bosch L-Jetronic system, component testing.

Timing Belt Or Chain Replacement:

Correct procedures for engine timing component replacement (M30 uses a timing chain).

Depth:

Expert level. Covers complete vehicle overhaul, diagnostics, and repair procedures, suitable for professional mechanics and advanced DIY enthusiasts.

📊 Manual Specifications

Format Quality:

Print quality is typically good for manuals of this era, designed for workshop use.

Searchable:

N/A (Print format)

Paper Type:

Durable paper stock, designed to withstand workshop conditions.

Binding:

Typically bound for durability, often saddle-stitched or perfect bound.

⚙️ Engine Specifications

Engine Type:

Inline-4 Cylinder, SOHC (M10 engine, though sometimes variants of the M30 were used or confused in early production).

Engine Displacement:

1.8 Liters (1766 cc)

Bore X Stroke:

86.0 mm x 77.0 mm

Compression Ratio:

8.3:1

Horsepower:

90 PS (89 bhp) at 5500 rpm (approximate)

Torque:

140 Nm (103 lb-ft) at 3500 rpm (approximate)

Fuel Delivery:

Bosch L-Jetronic Electronic Fuel Injection

Fuel Type:

Unleaded Gasoline (Octane Rating 91 RON recommended)

Ignition Type:

Electronic Ignition (Bosch)

Coolant Capacity:

Approx. 7.5 liters

Oil Capacity:

Approx. 4.5 liters (without filter), 5.0 liters (with filter)

Oil Specification:

API SF or SG, SAE 15W-40 or 20W-50 (depending on climate)

🔧 Transmission

Type:

4-Speed Manual

Type:

3-Speed Automatic (ZF 3HP22)

Manual Gear Ratios:

Refer to manual for specific ratios (e.g., 1st: 3.78, 2nd: 2.04, 3rd: 1.32, 4th: 1.00, Reverse: 3.54)

Manual Transmission Fluid:

API GL-4, SAE 75W-90 or 80W-90

Automatic Transmission Fluid:

Dexron III (or equivalent specified by ZF for the 3HP22)

📐 Dimensions

Length:

4620 mm (181.9 in)

Width:

1700 mm (66.9 in)

Height:

1420 mm (55.9 in)

Wheelbase:

2700 mm (106.3 in)

Curb Weight:

Approx. 1350 kg (2976 lbs)

Gross Vehicle Weight Rating:

Approx. 1850 kg

Trunk Volume:

Approx. 510 liters (18 cu ft)

🛡️ Safety Features

Crash Test Data:

Data for 1984 vehicles is limited by modern standards. Focus on structural integrity and occupant protection features of the era.

Braking System:

Front ventilated discs, rear solid discs. Anti-lock Braking System (ABS) was optional on later E28 models but likely rare or absent on the 518 variant.

Seat Belts:

Standard front seat belts, optional rear seat belts.

Construction:

Reinforced passenger cell, crumple zones.

💡 Technology Features

Audio System:

Factory AM/FM cassette player, often with premium sound options (e.g., Nakamichi).

Climate Control:

Manual climate control with fan speed and temperature adjustments, optional A/C.

ABS Availability:

Optional on later E28 models, not standard on the 518 in 1984.

Connectivity Features:

N/A (Era predates modern connectivity features like Bluetooth or USB).

🔧 Maintenance

Oil And Filter Change:

Every 7,500 - 10,000 miles (12,000 - 16,000 km) or 12 months.

Air Filter Replacement:

Every 15,000 - 20,000 miles (24,000 - 32,000 km).

Spark Plug Replacement:

Every 20,000 - 30,000 miles (32,000 - 48,000 km).

Coolant Flush:

Every 2 years or 30,000 miles (48,000 km).

Brake Fluid:

DOT 3 or DOT 4

Power Steering Fluid:

ATF Dexron II/III (check specific requirements)

Coolant Type:

Ethylene Glycol based, BMW blue coolant (or equivalent)

Common Problems:

Cooling system leaks (hoses, water pump), fuel distributor issues (L-Jetronic), rust in common areas (wheel arches, rocker panels), electrical connector corrosion, idle control valve issues.

Suspension Wear:

Worn control arm bushings, ball joints, and tie rod ends are common due to age and mileage.

📚 Vehicle History

Brand Focus:

BMW has a long-standing reputation for producing performance-oriented, driver-focused luxury vehicles with advanced engineering for their time.

E28 Generation:

The E28 generation (1981-1988) was a significant evolution of BMW's mid-size executive sedan, building upon the E12. It introduced a more aerodynamic design and advanced technologies.

Manufacturing Location:

Germany

Production Years:

E28 series: 1981-1988. Specific 518 variant production years vary by market, but 1984 is within the core period.

🏆 Awards & Recognition

Automotive Press Reviews:

BMW E28 series generally received positive reviews for its handling, build quality, and driving dynamics, positioning it as a benchmark in the executive sedan class.