🏷️ Basic Information

Make:

BMW

Model:

528i

Year:

1984

Market Segment:

Luxury Mid-Size Sedan

👋 Introduction

Market Position:

The BMW 5 Series (E28 chassis) represented BMW's entry into the executive sedan segment, competing with Mercedes-Benz E-Class, Audi 100, and Jaguar XJ. The 528i offered a blend of performance and luxury.

Competitive Analysis:

Competed against established German luxury marques, differentiating itself with superior handling dynamics and a more driver-focused experience.

Key Features:

Rear-wheel drive, independent suspension, refined inline-six engine, robust build quality, and driver-oriented interior.

📋 Manual Details

Manual Type:

Service and Repair Workshop Manual

Language:

English

Format:

Digital (likely PDF, though not explicitly stated)

📖 Manual Coverage

Engine:

Comprehensive coverage of the M30B28 engine, including disassembly, assembly, tuning, and troubleshooting.

Fuel System:

Bosch L-Jetronic fuel injection system diagnostics, component testing, and repair.

Ignition System:

Distributor-based ignition system servicing and troubleshooting.

Transmission:

Repair and maintenance for both the Getrag 265 5-speed manual and ZF 4HP22 4-speed automatic transmissions.

Drivetrain:

Rear-wheel drive system, driveshaft, differential, and axle service.

Suspension:

Front MacPherson strut and rear semi-trailing arm suspension system, including component replacement and alignment specifications.

Brakes:

Front ventilated discs and rear solid discs, ABS (Anti-lock Braking System) diagnostics and repair, brake system bleeding.

Steering:

Hydraulic power steering system, steering rack and linkage service.

Electrical System:

Complete wiring diagrams, fuse and relay identification, starter, alternator, battery service, lighting, and accessory troubleshooting.

Bodywork:

Body panel removal and installation, door, hood, trunk latch mechanisms, glass replacement.

HVAC:

Heating, ventilation, and air conditioning system servicing and repair.

Maintenance:

Routine maintenance procedures, oil changes, filter replacements, spark plug service, and fluid checks.

Diagnostics:

Systematic troubleshooting guides for common and complex issues, diagnostic trouble codes interpretation (where applicable).

Repair:

Step-by-step instructions for component removal, overhaul, and installation.

Adjustments:

Valve lash adjustment, idle speed control, ignition timing adjustments.

Depth Level:

Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts, covering everything from basic maintenance to complete engine and transmission overhauls.

📊 Manual Specifications

File Format:

PDF (Assumed based on typical modern digital manual offerings)

Searchability:

Likely text-searchable if a well-digitized PDF.

Printability:

Typically printable for offline use.

Image Resolution:

Variable, but ideally high enough for clear illustration reproduction.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

Estimated Page Count:

Estimated 500-1000+ pages, typical for a comprehensive workshop manual of this era.

⚙️ Engine Specifications

Engine Code:

M30B28

Engine Type:

Naturally Aspirated Inline-6 Cylinder

Displacement:

2.8 Liters (2784 cc)

Bore X Stroke:

86 mm x 80 mm

Compression Ratio:

8.8:1

Horsepower:

182 hp @ 5800 RPM (approximate)

Torque:

245 Nm (181 lb-ft) @ 4200 RPM (approximate)

Fuel Delivery:

Bosch L-Jetronic Electronic Fuel Injection

Fuel Type:

Unleaded Gasoline

Engine Control Unit:

BMW ECU for L-Jetronic system

🔧 Transmission

Standard Transmission:

Getrag 265 5-speed Manual

Optional Transmission:

ZF 4HP22 4-speed Automatic

Clutch Type:

Single Dry Plate (Manual Transmission)

Torque Converter:

Yes (Automatic Transmission)

Transmission Fluid Type:

BMW recommends ATF Dexron II for the 4HP22 automatic. Manual transmission typically uses GL-4 gear oil.

📐 Dimensions

Wheelbase:

104.3 inches (2649 mm)

Length:

188.2 inches (4780 mm)

Width:

68.9 inches (1750 mm)

Height:

54.9 inches (1394 mm)

Curb Weight:

Approximately 3200-3400 lbs (1450-1540 kg), depending on equipment.

Gross Vehicle Weight Rating:

Not explicitly stated, but typical for segment.

Wheel Bolt Pattern:

5 x 120 mm

Standard Tire Size:

195/70R14

Optional Wheel Size:

15-inch alloy wheels were common upgrades.

🛡️ Safety Features

Crash Test Ratings:

No official NHTSA or IIHS ratings for this specific model year, as testing standards were less rigorous then.

Active Safety Features:

ABS (Anti-lock Braking System) was a significant optional safety feature for 1984.

Passive Safety Features:

Three-point seat belts, impact-absorbing steering column, reinforced passenger cell.

Lighting System:

Halogen headlamps for improved visibility.

💡 Technology Features

Infotainment System:

Basic AM/FM stereo with cassette player. Optional premium sound systems available.

Climate Control:

Manual climate control, with optional automatic climate control in later models or higher trims.

Driver Assistance Features:

Cruise control, power steering, ABS (optional).

Connectivity Features:

Minimal by modern standards; primarily power windows, locks, and mirrors.

🔧 Maintenance

Oil Change Interval:

Recommended every 5,000-7,500 miles or 6-12 months, depending on driving conditions. Consult manual for specifics.

Major Tune Up:

Typically around 30,000 miles, involving spark plugs, fuel filter, air filter, and ignition system checks.

Engine Oil Specification:

API SF/SG classification, SAE 20W-50 or 10W-40 depending on climate. Consult manual for precise BMW approvals.

Coolant Type:

Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio).

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Engine Oil Capacity:

Approximately 6.5 liters (with filter).

Cooling System Capacity:

Approximately 10.5 liters.

Common Issues:

Cooling system component failure (radiator, hoses, water pump), rear subframe mounts, front control arm bushings, door seal degradation, and potential electrical gremlins due to age. Fuel accumulator failure in L-Jetronic systems can cause starting issues.

Rust Prone Areas:

Wheel wells, rocker panels, strut towers, and battery tray are common rust areas.

📚 Vehicle History

Brand Heritage:

BMW (Bayerische Motoren Werke AG) has a long history of engineering performance automobiles with a focus on driving dynamics, often referred to as 'The Ultimate Driving Machine'.

Model Evolution:

The E28 generation (1981-1988) succeeded the E12. It was a significant evolution, offering improved aerodynamics, a more modern interior, and enhanced safety features, including the optional ABS.

Production Period:

1981-1988 (E28 generation)

Manufacturing Locations:

Primarily Germany (Dingolfing plant)

Sales Figures:

E28 generation sold over 722,000 units worldwide.

🏆 Awards & Recognition

Recognitions:

While specific awards for the 1984 528i are not widely documented, the E28 generation was highly regarded for its engineering and driving dynamics, contributing to BMW's reputation in the automotive press and among enthusiasts.

Performance Ratings:

Consistently praised for its balanced chassis, responsive engine, and refined ride quality.