🏷️ Basic Information

Make:

BMW

Model:

518i

Generation:

E28

Chassis Code:

E28

Engine Code Prefix:

M10

👋 Introduction

Target Audience:

BMW E28 518i owners, DIY enthusiasts, independent repair shops, classic car restorers.

Value Proposition:

Significant cost savings on repairs and maintenance compared to dealership or professional workshop fees.

Alternative Resources:

While factory service manuals exist, this consolidated digital format offers accessibility and often more focused detail for specific DIY tasks. Owner's manuals lack repair detail.

Comprehensive Scope:

Covers all aspects of the vehicle's systems, from routine care to in-depth repairs, providing a complete resource for ownership.

Diagnostic Focus:

Emphasizes troubleshooting and diagnostic procedures, empowering users to identify and resolve issues effectively.

Restoration Support:

Valuable for restoring or preserving the classic BMW E28, with details on original specifications and procedures.

📋 Manual Details

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

Downloadable Digital File (likely PDF)

Estimated Page Count:

Detailed coverage suggests 500+ pages. Exact count not provided but implied to be comprehensive.

📖 Manual Coverage

Engine Mechanical:

Engine overhaul, cylinder head, block assembly, piston and connecting rod, crankshaft, camshaft, timing system, lubrication, cooling system.

Fuel System:

Fuel injection system (Bosch L-Jetronic for 518i), fuel pump, fuel filter, fuel lines, injectors, fuel pressure regulator, fuel tank.

Ignition System:

Ignition coil, distributor, spark plugs, ignition timing, electronic ignition control.

Transmission Manual:

Clutch, gearbox (e.g., Getrag 260), shift linkage, driveshaft, differential.

Transmission Automatic:

Automatic transmission overhaul, hydraulic control, torque converter, shift control, fluid cooler (if applicable).

Suspension:

Front suspension (MacPherson struts, control arms, anti-roll bar), rear suspension (semi-trailing arms, shock absorbers, coil springs), wheel bearings.

Steering:

Steering rack, power steering pump, steering column, tie rods, alignment specifications.

Brakes:

Front disc brakes, rear drum or disc brakes (depending on specific E28 model), brake booster, master cylinder, brake lines, parking brake.

Electrical System:

Battery, alternator, starter motor, lighting system (headlights, taillights, interior lights), fuses, relays, wiring diagrams, horn, wipers, power windows.

Body And Chassis:

Body construction, doors, hood, trunk lid, bumpers, interior trim, body sealing, rust prevention, jacking points.

Heating And Air Conditioning:

HVAC system components, blower motor, heater core, evaporator, refrigerant system (if equipped), controls.

Comfort And Convenience:

Seats, seat belts, locks, mirrors, central locking system, cruise control (if equipped).

Routine Maintenance:

Oil changes, filter replacements, spark plug inspection/replacement, coolant checks, brake fluid flushes, drive belt inspection/replacement, battery maintenance.

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting for engine, electrical, and mechanical issues.

Major Repairs:

Engine rebuild procedures, transmission overhaul, suspension component replacement, brake system repairs, steering system repairs.

Component Removal And Installation:

Step-by-step guides for removing and installing virtually all major vehicle components.

Adjustments:

Valve adjustments, ignition timing adjustments, idle speed adjustments, brake adjustments.

Special Tools:

Identification and usage of specialized tools required for specific repair procedures.

Depth Of Coverage:

Comprehensive, covering everything from basic preventative maintenance to complete engine and transmission rebuilds. Includes detailed diagnostics and specifications.

📊 Manual Specifications

File Type:

Digital Download (Likely PDF)

Searchability:

Optimized for digital use, likely with searchable text for quick information retrieval.

Print Quality:

High-resolution scans or digital originals suitable for printing key sections or the entire manual.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

Inline-4 Cylinder, Naturally Aspirated

Engine Code:

Typically M10 family, specifically variants like M10B18

Displacement:

1.8 Liters (1766 cc)

Bore X Stroke:

89.0 mm x 71.0 mm

Compression Ratio:

Approx. 8.3:1 or 9.5:1 (depending on market and year)

Fuel Delivery:

Bosch L-Jetronic (or similar analog fuel injection)

Ignition System:

Distributor-based, electronic ignition control.

Horsepower:

Approx. 90-105 PS (66-77 kW) at 5500-5800 rpm (market dependent)

Torque:

Approx. 140-150 Nm (103-111 lb-ft) at 3000-3500 rpm (market dependent)

Fuel Type:

Unleaded Gasoline (Octane rating dependent on market, typically 91-95 RON)

Fuel Tank Capacity:

Approx. 55-65 Liters (14.5-17.2 US gallons)

🔧 Transmission

Transmission Type:

4-speed Manual (standard on earlier/base models)

Transmission Type Optional:

5-speed Manual (e.g., Getrag 260), 3-speed Automatic (e.g., ZF 3HP22)

Clutch Type:

Hydraulically operated single dry plate clutch

Manual Gear Ratios:

Specific ratios vary by gearbox model (e.g., Getrag 260), typically close-ratio for performance-oriented variants. Example: 1st: 4.07, 2nd: 2.29, 3rd: 1.41, 4th: 1.00, Rev: 3.58 (Getrag 260 might differ slightly).

Automatic Gear Ratios:

Typical for 3-speed auto: 1st: 2.48, 2nd: 1.48, 3rd: 1.00 (ZF 3HP22)

Transmission Fluid:

Manual: SAE 75W-90 or SAE 80W-90 GL-4. Automatic: Dexron II or equivalent.

📐 Dimensions

Length:

Approx. 4620 mm (181.9 in)

Width:

Approx. 1700 mm (66.9 in)

Height:

Approx. 1415 mm (55.7 in)

Wheelbase:

Approx. 2700 mm (106.3 in)

Front Track:

Approx. 1420 mm (55.9 in)

Rear Track:

Approx. 1440 mm (56.7 in)

Curb Weight:

Approx. 1250-1350 kg (2756-2976 lbs) depending on equipment and transmission.

Gross Vehicle Weight Rating:

Typically around 1700-1800 kg (3748-3968 lbs).

Trunk Volume:

Approx. 460 Liters (16.2 cu ft)

🛡️ Safety Features

Crash Test Performance:

As an 80s vehicle, official comprehensive crash test ratings from modern agencies (NHTSA, IIHS) are not directly comparable. Known for robust build quality for its era.

Braking System:

Front ventilated discs, rear drums (or discs on some models). ABS was an optional feature on later E28 models, but less common on the 518i.

Steering System:

Generally recirculating ball with optional power assistance. Good feedback, but less precise than modern systems.

Seat Belts:

Standard front seat belts. Rear seat belts may be standard or optional depending on market and trim.

Body Structure:

Reinforced safety cage, crumple zones (front and rear), door impact beams.

💡 Technology Features

Audio System:

Factory-installed radio/cassette player with basic speaker system. Limited features by modern standards. Upgrades are common.

ABS Availability:

Optional on later models, primarily on higher-spec variants. Not standard on the 518i.

Connectivity Features:

No modern connectivity features (e.g., Bluetooth, USB, smartphone integration). This is characteristic of its era.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or annually. Check manual for exact recommendation based on driving conditions.

Air Filter Replacement:

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

Spark Plug Replacement:

Every 20,000-30,000 miles (32,000-48,000 km). Use specified plugs (e.g., Bosch W7DC).

Coolant Flush:

Every 2-3 years or 30,000-40,000 miles (48,000-64,000 km).

Brake Fluid Flush:

Every 2 years, regardless of mileage.

Engine Oil:

API SG/SF, SAE 10W-40 or 15W-40 (depending on climate). Check manual for specific viscosity recommendations. Capacity approx. 4.5 Liters (4.7 US quarts) with filter.

Coolant:

BMW Blue or Green antifreeze concentrate mixed 50/50 with distilled water. Total capacity approx. 7.0-8.0 Liters.

Brake Fluid:

DOT 3 or DOT 4.

Rust Susceptibility:

Common E28 rust points include wheel arches, rocker panels, battery tray area, and rear strut towers.

Fuel System Aging:

Age-related degradation of fuel lines, pump, and injector seals can lead to leaks or poor performance.

Suspension Wear:

Worn control arm bushings, ball joints, and rear trailing arm bushings are common, affecting handling and tire wear.

Cooling System Aging:

Radiator, hoses, and water pump can fail due to age. Overheating is a critical issue.

Electrical Gremlins:

Aging wiring harnesses, connectors, and grounds can cause intermittent electrical issues, especially with accessories.

📚 Vehicle History

Bmw Philosophy:

BMW's long-standing reputation for building sporty, driver-focused luxury sedans with advanced engineering.

E12 Predecessor:

The E28 succeeded the E12 5 Series, introducing more modern styling and technology.

E34 Successor:

The E28 was replaced by the E34 5 Series in 1988.

Production Years:

1981-1988 (for the E28 generation). The 518i variant specifically targeted markets where engine displacement was a tax or import consideration.

Manufacturing Locations:

Primary production in Dingolfing, Germany. Also assembled in other BMW plants globally.

Market Segment:

Entry-level executive/luxury sedan, focused on efficiency and affordability within the 5 Series range.

🏆 Awards & Recognition

Contemporary Reviews:

The E28 generation, in general, was highly praised for its driving dynamics, build quality, and refinement, earning accolades in automotive press worldwide.

Classic Car Status:

The E28 is now considered a modern classic, appreciated for its timeless design and engaging driving experience.

Reliability Perception:

When properly maintained, E28s are known for durability. However, age-related wear and tear require diligent maintenance.