🏷️ 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...