1982-1994 BMW 5-6-7-Series (E28 E34 E24 E23 E32) Workshop ETM (Electrical Troubleshooting Manual)

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🏷️ Basic Information Identification Make: BMW Product Type: Electrical Troubleshooting Manual (ETM) Codes Vehicle Chassis Codes: E28, E34, E24, E23, E32 👋 Introduction Market Position Target Audience: BMW owners, independent repair shops, and automotive technicians specializing in older BMWs Competitive Analysis Uniqueness: Provides comprehensive electrical troubleshooting specific to these iconic BMW generations, often difficult to find in combined formats. Key Features Completeness: 100% complete and intact, no missing or corrupt pages/sections. Illustrations: Detailed illustrations, exploded diagrams, drawings, and photos. Ease Of Use: Easy-to-follow step-by-step instructions for novice and expert users. Accessibility: Viewable on any computer, smartphone, or tablet with a PDF reader. Delivery: Instant download, eliminating shipping costs and wait times. 📋 Manual Details Coverage Areas Covered Model Series: 5-Series, 6-Series, 7-Series Covered Model Generations: E28 (5-Series), E34 (5-Series), E24 (6-Series), E23 (7-Series), E32 (7-Series) Covered Model Years: 1982-1994 Page Count Page Count: Comprehensive (exact page count not specified, but described as complete) Manual Type Manual Type: Workshop ETM (Electrical Troubleshooting Manual) Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Electrical Systems: Complete coverage of all electrical systems and components Wiring Diagrams: Detailed wiring diagrams for all models and circuits Engine Management Electronics: Diagnosis and troubleshooting of engine control units (ECU) and related sensors/actuators Lighting Systems: Headlights, taillights, interior lighting, auxiliary lighting Instrumentation And Gauges: Dashboard indicators, warning lights, and gauge functionality Comfort And Convenience Electronics: Power windows, mirrors, locks, climate control, seat adjustments, sunroof Audio And Navigation Systems: Factory radio, speaker systems, and early navigation units (if applicable) Safety Systems: ABS (Anti-lock Braking System) where equipped, airbags (early systems) Cruise Control: Operation and troubleshooting of cruise control systems Wiper And Washer Systems: Functionality and electrical control of wipers and washers Cooling Fan Control: Electric cooling fan operation and diagnosis Starter And Charging Systems: Alternator, starter motor, battery circuits Procedures Included Troubleshooting Methodologies: Step-by-step diagnostic procedures and flowcharts for electrical faults Component Testing: Instructions for testing various electrical components (sensors, relays, motors) Wiring Repair: Guidance on identifying, repairing, and replacing damaged wiring harnesses Connector Identification: Identification and pin-out diagrams for electrical connectors Fuse And Relay Identification: Locations and function of fuses and relays Ground Point Identification: Location of chassis and component ground points Component Replacement Guidelines: Electrical component removal and installation procedures Technical Depth Technical Depth: Advanced diagnostics, in-depth circuit analysis, and component-level troubleshooting Detail Level: Extremely detailed, covering all electrical functions and potential failure points 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Printable, allowing users to print specific sections or the entire manual Binding Type Binding Type: Digital (instant download) Paper Type Paper Type: N/A (Digital Format) File Features Zoom Capability: Yes, allows zooming for detailed illustration viewing Searchability: Assumed searchable within PDF format ⚙️ Engine Specifications Primary Engine E28 528E Engine: M20B27 (2.7L Inline-6, 'Eta' engine) E28 533I Engine: M30B32 (3.2L Inline-6) E28 535I Engine: M30B34 (3.4L Inline-6) E28 M5 Engine: S38B35 (3.5L Inline-6, DOHC) E28 524Td Engine: M21D24 (2.4L Turbocharged Diesel Inline-4) E34 525I Engine: M50B25 (2.5L Inline-6, DOHC) E34 535I Engine: M30B34 (3.4L Inline-6) E34 M5 Engine: S38B36 (3.6L Inline-6, DOHC) E34 530I Engine: M60B30 (3.0L V8, DOHC) E34 540I Engine: M60B40 (4.0L V8, DOHC) E24 633Csi Engine: M30B32 (3.2L Inline-6) E24 635Csi Engine: M30B34 (3.4L Inline-6) E24 L6 M6 Engine: S38B34 (3.5L Inline-6, DOHC) E23 733I Engine: M30B32 (3.2L Inline-6) E23 735I Engine: M30B34 (3.4L Inline-6) E23 L7 Engine: M30B34 (3.4L Inline-6) E32 735I Engine: M30B35 (3.5L Inline-6) E32 750Il Engine: M70B50 (5.0L V12, DOHC) E32 740I Engine: M60B40 (4.0L V8, DOHC) Performance E28 528E Hp: Approx. 121 hp E28 533I Hp: Approx. 182 hp E28 535I Hp: Approx. 177 hp E28 M5 Hp: Approx. 256 hp E34 525I Hp: Approx. 189 hp (M50) E34 535I Hp: Approx. 208 hp E34 M5 Hp: Approx. 310 hp E34 540I Hp: Approx. 282 hp E32 750Il Hp: Approx. 295 hp Fuel System Fuel Injection: Bosch L-Jetronic, Motronic (specific to engine and year) 🔧 Transmission Standard E28 Standard Transmission: 4-speed automatic, 5-speed manual (depending on model/year) E34 Standard Transmission: 5-speed manual, 4-speed automatic (depending on model/year) E24 Standard Transmission: 4-speed automatic, 5-speed manual (depending on model/year) E23 Standard Transmission: 3-speed automatic, 4-speed automatic, 5-speed manual (depending on model/year) E32 Standard Transmission: 4-speed automatic, 5-speed manual (depending on model/year) Optional E32 750Il Transmission: 4-speed automatic only Features Manual Transmission Gear Ratios: Detailed in manual for each specific model/engine combination Automatic Transmission Control: Electronic and hydraulic control systems covered 📐 Dimensions Exterior E28 Wheelbase: Approx. 104.3 inches E34 Wheelbase: Approx. 111.7 inches E24 Wheelbase: Approx. 104.3 inches E23 Wheelbase: Approx. 107.1 inches E32 Wheelbase: Approx. 116.9 inches (standard), 123.2 inches (LWB) Weights Curb Weight Range: Varies significantly by model and engine, typically 3200 - 4500 lbs 🛡️ Safety Features Ratings Safety Ratings Era: Reflects safety standards of the 1980s and early 1990s; detailed...

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Type: Car

Vendor:

Sku: 338881

Collections: ALL BMW

Availability: In stock

Tags: 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 5-Series 6 Series 7-Series BMW Car Cars E23 E24 E28 E32 E34

Product variants

Description

🏷️ Basic Information

Identification

Make:

Product Type:

Electrical Troubleshooting Manual (ETM)

Codes

Vehicle Chassis Codes:

E28, E34, E24, E23, E32

👋 Introduction

Market Position

Target Audience:

BMW owners, independent repair shops, and automotive technicians specializing in older BMWs

Competitive Analysis

Uniqueness:

Provides comprehensive electrical troubleshooting specific to these iconic BMW generations, often difficult to find in combined formats.

Key Features

Completeness:

100% complete and intact, no missing or corrupt pages/sections.

Illustrations:

Detailed illustrations, exploded diagrams, drawings, and photos.

Ease Of Use:

Easy-to-follow step-by-step instructions for novice and expert users.

Accessibility:

Viewable on any computer, smartphone, or tablet with a PDF reader.

Delivery:

Instant download, eliminating shipping costs and wait times.

📋 Manual Details

Coverage Areas

Covered Model Series:

5-Series, 6-Series, 7-Series

Covered Model Generations:

E28 (5-Series), E34 (5-Series), E24 (6-Series), E23 (7-Series), E32 (7-Series)

Covered Model Years:

1982-1994

Page Count

Page Count:

Comprehensive (exact page count not specified, but described as complete)

Manual Type

Manual Type:

Workshop ETM (Electrical Troubleshooting Manual)

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Electrical Systems:

Complete coverage of all electrical systems and components

Wiring Diagrams:

Detailed wiring diagrams for all models and circuits

Engine Management Electronics:

Diagnosis and troubleshooting of engine control units (ECU) and related sensors/actuators

Lighting Systems:

Headlights, taillights, interior lighting, auxiliary lighting

Instrumentation And Gauges:

Dashboard indicators, warning lights, and gauge functionality

Comfort And Convenience Electronics:

Power windows, mirrors, locks, climate control, seat adjustments, sunroof

Audio And Navigation Systems:

Factory radio, speaker systems, and early navigation units (if applicable)

Safety Systems:

ABS (Anti-lock Braking System) where equipped, airbags (early systems)

Cruise Control:

Operation and troubleshooting of cruise control systems

Wiper And Washer Systems:

Functionality and electrical control of wipers and washers

Cooling Fan Control:

Electric cooling fan operation and diagnosis

Starter And Charging Systems:

Alternator, starter motor, battery circuits

Procedures Included

Troubleshooting Methodologies:

Step-by-step diagnostic procedures and flowcharts for electrical faults

Component Testing:

Instructions for testing various electrical components (sensors, relays, motors)

Wiring Repair:

Guidance on identifying, repairing, and replacing damaged wiring harnesses

Connector Identification:

Identification and pin-out diagrams for electrical connectors

Fuse And Relay Identification:

Locations and function of fuses and relays

Ground Point Identification:

Location of chassis and component ground points

Component Replacement Guidelines:

Electrical component removal and installation procedures

Technical Depth

Technical Depth:

Advanced diagnostics, in-depth circuit analysis, and component-level troubleshooting

Detail Level:

Extremely detailed, covering all electrical functions and potential failure points

📊 Manual Specifications

File Format

File Format:

Print Quality

Printability:

Printable, allowing users to print specific sections or the entire manual

Binding Type

Binding Type:

Digital (instant download)

Paper Type

Paper Type:

N/A (Digital Format)

File Features

Zoom Capability:

Yes, allows zooming for detailed illustration viewing

Searchability:

Assumed searchable within PDF format

⚙️ Engine Specifications

Primary Engine

E28 528E Engine:

M20B27 (2.7L Inline-6, 'Eta' engine)

E28 533I Engine:

M30B32 (3.2L Inline-6)

E28 535I Engine:

M30B34 (3.4L Inline-6)

E28 M5 Engine:

S38B35 (3.5L Inline-6, DOHC)

E28 524Td Engine:

M21D24 (2.4L Turbocharged Diesel Inline-4)

E34 525I Engine:

M50B25 (2.5L Inline-6, DOHC)

E34 535I Engine:

M30B34 (3.4L Inline-6)

E34 M5 Engine:

S38B36 (3.6L Inline-6, DOHC)

E34 530I Engine:

M60B30 (3.0L V8, DOHC)

E34 540I Engine:

M60B40 (4.0L V8, DOHC)

E24 633Csi Engine:

M30B32 (3.2L Inline-6)

E24 635Csi Engine:

M30B34 (3.4L Inline-6)

E24 L6 M6 Engine:

S38B34 (3.5L Inline-6, DOHC)

E23 733I Engine:

M30B32 (3.2L Inline-6)

E23 735I Engine:

M30B34 (3.4L Inline-6)

E23 L7 Engine:

M30B34 (3.4L Inline-6)

E32 735I Engine:

M30B35 (3.5L Inline-6)

E32 750Il Engine:

M70B50 (5.0L V12, DOHC)

E32 740I Engine:

M60B40 (4.0L V8, DOHC)

Performance

E28 528E Hp:

Approx. 121 hp

E28 533I Hp:

Approx. 182 hp

E28 535I Hp:

Approx. 177 hp

E28 M5 Hp:

Approx. 256 hp

E34 525I Hp:

Approx. 189 hp (M50)

E34 535I Hp:

Approx. 208 hp

E34 M5 Hp:

Approx. 310 hp

E34 540I Hp:

Approx. 282 hp

E32 750Il Hp:

Approx. 295 hp

Fuel System

Fuel Injection:

Bosch L-Jetronic, Motronic (specific to engine and year)

🔧 Transmission

Standard

E28 Standard Transmission:

4-speed automatic, 5-speed manual (depending on model/year)

E34 Standard Transmission:

5-speed manual, 4-speed automatic (depending on model/year)

E24 Standard Transmission:

4-speed automatic, 5-speed manual (depending on model/year)

E23 Standard Transmission:

3-speed automatic, 4-speed automatic, 5-speed manual (depending on model/year)

E32 Standard Transmission:

4-speed automatic, 5-speed manual (depending on model/year)

Optional

E32 750Il Transmission:

4-speed automatic only

Features

Manual Transmission Gear Ratios:

Detailed in manual for each specific model/engine combination

Automatic Transmission Control:

Electronic and hydraulic control systems covered

📐 Dimensions

Exterior

E28 Wheelbase:

Approx. 104.3 inches

E34 Wheelbase:

Approx. 111.7 inches

E24 Wheelbase:

Approx. 104.3 inches

E23 Wheelbase:

Approx. 107.1 inches

E32 Wheelbase:

Approx. 116.9 inches (standard), 123.2 inches (LWB)

Weights

Curb Weight Range:

Varies significantly by model and engine, typically 3200 - 4500 lbs

🛡️ Safety Features

Ratings

Safety Ratings Era:

Reflects safety standards of the 1980s and early 1990s; detailed NHTSA/IIHS ratings may be limited for this era.

Active Features

Available on later models (E32, E34, some E28/E24), covered in manual.

Passive Features

Seatbelts:

Standard 3-point seatbelts, seatbelt pre-tensioners on some later models.

Airbags:

Driver airbag introduced in later models (e.g., E32, E34), covered in manual.

💡 Technology Features

Infotainment

Radio Systems:

Factory AM/FM cassette players, often with premium speaker options. Upgrades common.

Driver Assistance

Cruise Control:

Standard electronic cruise control on many models.

Park Distance Control:

Rarely available on these models, typically aftermarket.

Connectivity

Onboard Computer:

Basic 'Check Control' system for fluid levels and lights, some models had trip computers.

Comfort Features

Climate Control:

Manual and automatic climate control systems, with detailed electrical diagrams in the manual.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 5,000-7,500 miles or annually, consult manual for specific models/oils.

Spark Plug Replacement:

Varies by engine type (e.g., 30,000-60,000 miles for conventional, longer for platinum/iridium).

Timing Belt Replacement:

Crucial for M20/M30/M50/M60 engines; typically 50,000-60,000 miles or 5 years. Diesel (M21) uses a timing chain.

Fluid Specifications

Engine Oil Type:

API SG or SH, viscosity typically 5W-30, 10W-40, or 20W-50 depending on climate and engine. Refer to manual.

Coolant Type:

Ethylene glycol based, typically BMW's blue or green coolant concentrate mixed 50/50 with distilled water.

Brake Fluid Type:

DOT 3 or DOT 4, depending on system specifications.

Transmission Fluid Type:

Dexron II/III for automatics (specific BMW ATF), Manual transmission fluid (MTF) for manuals.

Known Issues

E28 Common Issues:

Rust in common areas (wheel arches, battery tray, subframes), fuel distributor issues (L-Jetronic), idle control valve problems, worn suspension bushings.

E34 Common Issues:

Cooling system leaks (plastic components), oil pan gasket leaks, VANOS issues (M50/M52), ABS sensor failures, window regulator failures, front suspension strut mount wear.

E24 Common Issues:

Similar to E28/E23, rust, fuel system, electrical gremlins. Heater control valve leaks, door seal degradation.

E23 Common Issues:

Rust, electrical issues in door looms, HVAC blower motor failure, fuel accumulator failure, door lock actuator failures.

E32 Common Issues:

Cooling system (especially V12), electrical issues in door looms, headlight leveling system, fuel pump, ABS module failures, catalytic converter failure (on high mileage cars).

📚 Vehicle History

Brand Heritage

Bmw Philosophy:

BMW's reputation for 'The Ultimate Driving Machine' emphasizes performance, engineering, and driver engagement.

Model Evolution

E28 Generation:

Second generation 5 Series, known for its balance of luxury and sportiness. Introduced advanced features for its time.

E34 Generation:

Third generation 5 Series, a significant evolution with improved aerodynamics, chassis dynamics, and technology. Introduced V8 engines.

E24 Generation:

First generation 6 Series, a luxurious coupe based on the 5 Series platform. Known for its elegant styling and potent engines.

E23 Generation:

First generation 7 Series, BMW's flagship luxury sedan. Focused on comfort, refinement, and advanced technology.

E32 Generation:

Second generation 7 Series, a landmark model introducing the V12 engine and significant technological advancements. Known for its spacious interior and smooth ride.

Production

E28 Production Years:

1981-1988

E34 Production Years:

1988-1995

E24 Production Years:

1976-1989

E23 Production Years:

1977-1986

E32 Production Years:

1986-1994

🏆 Awards & Recognition

Recognitions

Bmw Reputation:

BMW consistently lauded for driving dynamics, build quality, and engineering excellence throughout this period.