BMW 525i 1998 Full Service Repair Manual

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🏷️ Basic Information Identification Make: BMW Model: 525i Year: 1998 Codes Chassis Code: E39 Engine Code Common: M52B25 👋 Introduction Market Position Segment: Executive Sedan Target Audience: Affluent professionals, driving...

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Taper: Car

Distributeur:

UGS: 424039

Mots clés: 1998 525i BMW Car Cars Misc

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Model:

Year:

Codes

Chassis Code:

Engine Code Common:

M52B25

👋 Introduction

Market Position

Segment:

Executive Sedan

Target Audience:

Affluent professionals, driving enthusiasts

Competitive Analysis

Key Competitors:

Mercedes-Benz E-Class, Audi A6, Lexus GS, Jaguar S-Type

Key Features

Vehicle Strengths:

Driving dynamics, build quality, luxury interior, refined powertrain

Manual Value Proposition:

Enables owners to maintain and repair their vehicle to factory standards, maximizing longevity and performance

📋 Manual Details

Coverage Areas

Repair Procedures:

Comprehensive

Maintenance Schedules:

Detailed

Diagnostics:

Extensive

Troubleshooting Guides:

Included

Rebuilding Procedures:

Included

Refurbishment Restoration:

Covered

Page Count

Estimated Pages:

1500+

Manual Type

Type:

Full Service Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered

Engine:

Detailed internal and external components, lubrication, cooling, fuel, ignition, exhaust, emission controls

Transmission Manual:

Clutch, gearbox, shift mechanisms, repairs, fluid service

Transmission Automatic:

Hydraulic system, valve body, torque converter, electronic controls, repairs, fluid service

Drivetrain:

Driveshaft, differential, axles, CV joints, hub bearings

Suspension:

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

Steering:

Power steering system, steering rack, tie rods, steering column, pump, fluid service

Brakes:

Front and rear disc brakes, ABS system, hydraulic lines, master cylinder, calipers, pads, rotors, fluid replacement and bleeding

Electrical System:

Battery, charging system, starter, ignition system, lighting, fuses, relays, wiring diagrams

Body And Chassis:

Frame, body panels, doors, hood, trunk, bumpers, interior trim, glass, sunroof

Climate Control:

HVAC system, A/C compressor, condenser, evaporator, heater core, blower motor, refrigerant, diagnosis

Safety Systems:

Airbags, seatbelts, SRS system diagnosis

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement

Component Replacement:

Engine components, transmission, suspension parts, brake components, electrical modules, sensors

Troubleshooting Diagnostic Trees:

Systematic approach to identifying and resolving common and uncommon faults

Wiring Diagrams:

Comprehensive schematics for all electrical systems

Torque Specifications:

Detailed torque values for all critical fasteners

Special Tools:

Identification and usage instructions for BMW-specific tools

Recalibration Procedures:

Post-component replacement procedures where applicable

Technical Depth

Depth:

Expert-level detail suitable for professional technicians and advanced DIY enthusiasts

Diagnostic Code Coverage:

Explanation of OBD-II codes relevant to the 1998 model year

Engine Rebuilds:

Complete teardown and reassembly instructions

Transmission Rebuilds:

Detailed instructions for both manual and automatic transmissions

📊 Manual Specifications

File Format

File Type:

Searchability:

Searchable text content

Printability:

Printable pages

Print Quality

Image Resolution:

High-resolution diagrams and illustrations

Clarity:

Clear and legible text and graphics

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Code:

M52B25TU (Late 1998 models may have TU variants)

Engine Type:

Inline 6-cylinder, Double VANOS

Displacement Liters:

Displacement Cubic Inches:

Bore Mm:

Stroke Mm:

Compression Ratio:

10.2:1

Horsepower Hp:

189 @ 5900 RPM

Torque Lb Ft:

245 @ 3500 RPM

Fuel System

Fuel Delivery:

Multi-Point Fuel Injection (Bosch Motronic ME 7.2)

Fuel Type:

Premium Unleaded Gasoline (91+ Octane)

Emissions Control:

Secondary Air Injection, Catalytic Converter, EGR (where applicable)

🔧 Transmission

Standard

Transmission Type:

5-Speed Manual (Getrag GS5-39DZ)

Optional

Transmission Type:

5-Speed Automatic (ZF 5HP18 or 5HP19)

Features

Automatic Modes:

Standard, Sport, Manual Shift (Steptronic on some later models)

Fluid Specifications

Automatic Transmission Fluid:

BMW LT-2 or Dexron III/Mercon compatible

Manual Transmission Fluid:

BMW MTF LT-2 or equivalent GL-4 specification

📐 Dimensions

Exterior

Length Mm:

Width Mm:

Height Mm:

Wheelbase Mm:

Front Track Mm:

Rear Track Mm:

Weights

Curb Weight Kg Manual:

Curb Weight Kg Automatic:

Cargo

Trunk Volume Liters:

🛡️ Safety Features

Ratings

NHTSA Front Impact:

4/5 Stars (driver/passenger)

IIHS Side Impact:

Acceptable (for comparable vehicles of the era)

Active Features

Standard (Bosch ABS III)

Traction Control:

Optional (ASC+T)

Passive Features

Airbags:

Driver and Passenger front airbags

Seatbelts:

Pre-tensioning front seatbelts

Chassis Design:

Reinforced safety cell, crumple zones

💡 Technology Features

Infotainment

Head Unit:

BMW Business RDS or Professional RDS (optional)

Navigation:

Optional (MK I or MK II navigation system)

Audio:

Optional Harman Kardon sound system

Driver Assistance

Cruise Control:

Standard

Parking Sensors:

Optional (rear parking assist)

Connectivity

Cellular:

Optional integrated mobile phone preparation

Diagnostics Interface:

OBD-II connector, BMW proprietary 20-pin diagnostic connector

🔧 Maintenance

Service Intervals

Oil Change Interval Miles:

7,500 - 10,000 (depending on oil quality and driving conditions)

Air Filter Replacement Miles:

30,000 - 60,000

Spark Plug Replacement Miles:

60,000 - 100,000 (depending on plug type)

Coolant Flush Miles:

30,000 - 60,000

Brake Fluid Flush Years:

Fluid Specifications

Engine Oil Type:

SAE 5W-30 or 5W-40 Synthetic (BMW Longlife-98 or LL-01)

Engine Oil Capacity Liters:

Coolant Type:

BMW Blue (G48 Ethylene Glycol)

Power Steering Fluid:

BMW ATF Dexron III

Known Issues

Common Issues Engine:

PCV system issues (oil consumption, vacuum leaks), oil filter housing gasket leaks, VANOS solenoids/seals failure, spark plug well seals

Common Issues Cooling:

Plastic coolant expansion tank cracks, water pump failure, thermostat housing leaks

Common Issues Suspension:

Control arm bushings (vibrations), rear subframe mounts, shock absorber leaks

Common Issues Electrical:

ABS/ASC sensor failures, headlight leveling motors, door lock actuators, pixelated instrument cluster displays

Common Issues Interior:

Headliner sagging, worn seat bolsters, climate control vents

📚 Vehicle History

Brand Heritage

Bmw Philosophy:

Sheer Driving Pleasure, engineering excellence, sport-luxury focus

Model Evolution

E39 Introduction:

Introduced in 1995 (Europe) / 1996 (North America), replacing the E34 generation

E39 Mid-Cycle Refresh:

Facelifted in 2000, minor changes for 1998 model year

Production

Production Years E39:

1995-2003

Manufacturing Locations:

Germany (Dingolfing), Austria, Brazil, Egypt, Russia, Thailand, Ukraine

🏆 Awards & Recognition

Recognitions

Car And Driver 10 Best:

Named to Car and Driver's 10 Best list multiple times for the E39 generation

Ward S Auto World Engine Of The Year:

M52 engine series received awards in its class

Ratings

Reliability Ratings Contemporary:

Generally good, but with specific known wear items requiring diligent maintenance