🏷️ Basic Information

Make:

BMW

Model:

5 Series (E28)

Model Variants:

528e, 533i

Model Year:

1984

Chassis Code:

E28

👋 Introduction

Target Audience:

BMW E28 owners, independent mechanics, automotive technicians, and enthusiasts seeking in-depth electronic troubleshooting knowledge.

Value Proposition:

Provides comprehensive, factory-level electronic troubleshooting information at a competitive price with instant access, addressing a critical need for E28 diagnostics.

Feature List:

Focus on electronic systems, detailed wiring diagrams, systematic troubleshooting, engine and transmission specifics, direct factory data.

📋 Manual Details

Primary Focus:

Electronic Troubleshooting

Secondary Coverage:

General Maintenance, Engine Service, Transmission Service, Brake System, Wiring Diagrams, Electrical Systems, Suspension, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, HVAC, Engine Control, Chassis/Body, Restraint Systems, Interior, Differential/Drive Axle

Estimated Pages:

Hundreds to thousands (printable)

Type:

Factory Service Repair Manual / Electronic Troubleshooting Manual

Language:

English

File Format:

PDF

Delivery Method:

Instant Download

Requirements:

Adobe PDF Reader, WinZip (for larger files)

📖 Manual Coverage

Electrical System:

Comprehensive coverage including diagnosis, repair, and wiring diagrams for all electronic components, sensors, actuators, ECUs, and related circuits.

Engine Control:

Detailed information on the Motronic fuel injection and ignition control systems specific to the M30 engine variants (L-Jetronic for 528e, possibly others).

Fuel Injection:

In-depth troubleshooting and repair procedures for the Bosch L-Jetronic fuel injection system, including fuel pressure, injector function, airflow meter, and control unit diagnosis.

Cooling System:

Diagnosis and repair of the engine cooling system, including radiator, thermostat, water pump, fan clutch, and coolant flow issues.

Transmission Service:

Troubleshooting and repair procedures for both automatic (e.g., ZF 4HP22) and manual transmissions, including fluid checks, shift control, and common issues.

Brake System:

Service and troubleshooting for the hydraulic brake system, including ABS (if equipped), brake lines, calipers, pads, rotors, and master cylinder.

Suspension And Steering:

Diagnosis of suspension components (struts, control arms, bushings) and steering system issues (power steering pump, rack and pinion, tie rods).

Chassis And Body:

Information pertaining to chassis integrity, body electrical components, and common bodywork related troubleshooting.

HVAC:

Troubleshooting and repair of the heating, ventilation, and air conditioning systems.

Emission System:

Information related to emission control components and troubleshooting, including catalytic converter functionality and sensor inputs.

Restraint System:

Details regarding seatbelt operation and related safety components.

Interior Components:

Troubleshooting for interior electrical functions like power windows, mirrors, lighting, and instrument cluster.

Differential And Drive Axle:

Service and troubleshooting for the rear differential and drive axles.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving electronic and mechanical faults, with flowcharts and symptom-based problem solving.

General Maintenance:

Guidance on routine checks, fluid changes, filter replacements, and other preventative maintenance tasks.

Engine Repair:

Detailed procedures for engine component removal, installation, and repair.

Transmission Repair:

Step-by-step instructions for transmission disassembly, inspection, repair, and reassembly.

Wiring Diagrams:

Complete and detailed wiring schematics for all electrical systems, crucial for electronic troubleshooting.

Periodic Lubrication:

Guidance on lubrication points for chassis components, driveshafts, and other moving parts.

Engine Service Repair:

Covers engine mechanicals, cylinder head, pistons, crankshaft, valve train, etc.

Transmission Service Repair:

Includes procedures for both manual and automatic transmission overhauls.

Depth:

Factory-level diagnostic and repair procedures, suitable for professional technicians and advanced DIY enthusiasts.

Data Sheets:

Includes datasheet information about circuits, diagrams, and equipment specific to the E28's electronic systems.

Diagnostic Tools:

Implies the use of standard automotive diagnostic tools and potentially specialized BMW diagnostic equipment for the era.

📊 Manual Specifications

Format:

PDF

Quality:

Great Quality, Printable Pages

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code 528E:

M20B27 (ETA - Edelstein 'Economy')

Engine Code 533I:

M30B32 (Straight-six)

Horsepower Est 528E:

121-125 hp

Torque Est 528E:

170-174 lb-ft

Horsepower Est 533I:

182-194 hp

Torque Est 533I:

210-220 lb-ft

Fuel System Type:

Bosch L-Jetronic (528e), Bosch Motronic (potentially on 533i depending on specific market and build date)

🔧 Transmission

Type 528E:

4-speed Automatic (ZF 4HP22)

Type 533I:

5-speed Manual (Getrag 265) or 4-speed Automatic (ZF 4HP22)

Type:

4-speed Automatic (ZF 4HP22)

Transmission Control:

Electronic control for automatic transmissions, manual operation for manual transmissions.

📐 Dimensions

Length:

Approx. 191.3 inches (4859 mm)

Width:

Approx. 69.3 inches (1760 mm)

Height:

Approx. 55.3 inches (1405 mm)

Curb Weight 528E:

Approx. 3200-3400 lbs (1450-1540 kg)

Curb Weight 533I:

Approx. 3300-3500 lbs (1497-1588 kg)

Bolt Pattern:

5x120mm

Wheel Size Standard:

14-inch (e.g., 14x6.5J)

Tire Size Common:

205/70VR14, 225/60VR14

🛡️ Safety Features

NHTSA Ratings:

N/A for this era of vehicle from readily available sources.

Active Safety:

Four-wheel disc brakes, limited-slip differential (optional).

Passive Safety:

Reinforced chassis, crumple zones, padded interior, seatbelts.

💡 Technology Features

Audio System:

Factory premium sound systems (e.g., Bavaria C), often with cassette player and AM/FM radio.

ABS:

Anti-lock Braking System available as an option on some models.

Connectivity Features:

Limited by era; primarily focused on internal vehicle systems rather than external connectivity.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type.

Transmission Fluid Change:

Recommended around 50,000-100,000 miles for automatic transmissions, less frequent for manuals but inspection is key.

Engine Oil 528E:

API SF or SG, viscosity 10W-30 or 10W-40 (refer to manual for precise recommendations).

Engine Oil 533I:

API SF or SG, viscosity 10W-40 or 20W-50 (refer to manual for precise recommendations).

Coolant:

BMW Blue Antifreeze or equivalent ethylene glycol-based coolant with corrosion inhibitors.

Transmission Fluid Auto:

Dexron III or equivalent automatic transmission fluid.

Brake Fluid:

DOT 3 or DOT 4 brake fluid.

E28 Common Issues:

Cooling system component failure (water pump, hoses, radiator), fuel injection system issues (airflow meter, fuel pump), electrical connector corrosion, aging rubber suspension bushings, odometer gear failure (E28 specific).

Electronic Trouble Areas:

MAF sensor failures, idle control valve issues, injector circuit problems, ECU issues, dashboard warning light malfunctions.

📚 Vehicle History

Bmw Legacy:

BMW has a long-standing reputation for building performance-oriented luxury sedans known for their driving dynamics and build quality.

E28 Introduction:

The E28 generation succeeded the E12 5 Series and was produced from 1981 to 1988. It represented an evolution in BMW's mid-size luxury sedan offering with improved aerodynamics and technology.

E28 Updates 1984:

The 1984 model year would have incorporated mid-cycle updates or been part of the continuous refinement of the E28 platform.

Manufacturing Location:

Germany

Production Years E28:

1981-1988

🏆 Awards & Recognition

Automotive Press Reviews:

The E28 generation was generally praised for its driving dynamics, build quality, and comfortable ride, often compared favorably to its German competitors.