BMW 5-Series (E28) 525i 1981-1988 Full Service Repair Manual

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🏷️ Basic Information Identification Make: BMW Model: 5-Series Model Code: E28 Specific Model: 525i Production Years: 1981-1988 📋 Manual Details Coverage Areas Coverage Scope: Full Service and Repair Diagnostic Procedures:...

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Type: Car

Vendor:

Sku: 429674

Tags: 1981 1982 1983 1984 1985 1986 1987 1988 5 Series 5-Series (E28) 525i BMW Car Cars

Product variants

Description

🏷️ Basic Information

Identification

Make:

Model:

5-Series

Model Code:

Specific Model:

Production Years:

1981-1988

📋 Manual Details

Coverage Areas

Coverage Scope:

Full Service and Repair

Diagnostic Procedures:

Included

Troubleshooting:

Included

Maintenance Schedules:

Included

Disassembly Assembly:

Complete

Page Count

Page Count:

Not specified (but comprehensive)

Manual Type

Manual Type:

Professional Technical Manual / Shop Manual

Target Audience:

DIY and Experienced Mechanics

Language

Language:

English

Format

File Format:

Printability:

Full Printable

Interactivity:

Zoom IN/OUT

Delivery

Delivery Method:

Instant Download

Requirements

Software Requirements:

Adobe PDF Reader & WinZip

Operating System Compatibility:

All Versions of Windows & Mac

⚙️ Engine Specifications

Primary Engine

Engine Type:

Inline 6-cylinder

Displacement:

2.5 Liters (2494 cc)

Engine Code:

M30B25

Valvetrain:

Bore:

84 mm

Stroke:

75 mm

Compression Ratio:

8.8:1 (typical)

Performance

Horsepower:

150 hp (112 kW) at 5500 rpm (approx.)

Torque:

215 Nm (159 lb-ft) at 3500 rpm (approx.)

Fuel System

Fuel Delivery:

Bosch L-Jetronic Fuel Injection

Fuel Type:

Unleaded Gasoline (Octane rating as per manual)

🔧 Transmission

Standard

Standard Transmission:

4-speed Manual

Optional

Optional Transmission:

3-speed Automatic (ZF 3HP22)

Features

Clutch Type:

Single dry plate, hydraulic actuation

📐 Dimensions

Exterior

Body Styles:

4-door Sedan

Length:

4725 mm (186.0 in)

Width:

1700 mm (66.9 in)

Height:

1415 mm (55.7 in)

Wheelbase:

2795 mm (110.0 in)

Weights

Curb Weight:

1420 kg (3131 lbs) (approx.)

🛡️ Safety Features

Ratings

Crash Test Ratings:

Not applicable for era

Features

Brakes:

Front Ventilated Discs, Rear Solid Discs

Anti Lock Braking System:

Optional on later models

Seatbelts:

3-point front, 2-point rear (typical for era)

Steering:

Power-assisted recirculating ball

Suspension Front:

MacPherson struts, independent

Suspension Rear:

Semi-trailing arms, independent

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual (typically 5,000-7,500 miles or 6-12 months)

Spark Plug Replacement:

Refer to manual

Timing Belt Replacement:

Not applicable (timing chain)

Fluid Specifications

Engine Oil Type:

Refer to manual (e.g., BMW High Performance 20W-50 or equivalent)

Coolant Type:

Ethylene Glycol based coolant (BMW approved type)

Brake Fluid Type:

DOT 3 or DOT 4

Transmission Fluid Type Manual:

GL-4 gear oil (e.g., SAE 75W-90)

Transmission Fluid Type Automatic:

Dexron III or equivalent