🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E36 Codes Engine Codes Covered: M43B18 (318i/is), M50B20 (320i), M50B25 (325i/is), S50B30/S52B32 (M3) 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, BMW owners seeking in-depth electrical troubleshooting Bmw Segment: Compact executive car / Sports sedan Competitive Analysis Value Proposition: Provides professional-level electrical diagnostic information, crucial for complex E36 electrical systems, offering significant cost savings compared to dealership diagnostics. Key Features Unique Selling Points: Instant download convenience, comprehensive coverage of specific E36 models and years, detailed troubleshooting trees, professional workshop quality. 📋 Manual Details Coverage Areas Geographical Coverage: Global (ETM is standard BMW documentation) Model Variant Coverage: 318i, 318is, 320i, 325i, 325is, M3 (including Convertible) System Coverage Focus: Exclusively electrical systems, providing in-depth diagnosis and repair information. Page Count Estimated Page Count: Varies, typically hundreds of pages for a complete ETM (exact count not provided but described as 'wealth of information') Manual Type Type: Electrical Troubleshooting Manual (ETM) Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Electrical Systems Major: Engine Control System, Charging System, Starting System, Electronic Transmission Control, Supplemental Restraint System (SRS), Airbag, ABS/Slip Control, Power Mirrors, Door Locks, Central Locking, Power Windows, Power Seats, Heated Seats, Power Sunroof, Electro-Mechanical Convertible Top, Central Body Electronics, Horn, Wiper/Washer, Headlights, Washer Jets, Windshield Washer, Heater Control, Instrument Cluster, Clock, On-Board Display (OBD), Data Link Connector (DLC) Power Distribution: Detailed charts and explanations of how electrical power is distributed throughout the vehicle, including main power feeds and branch circuits. Fuse And Relay Information: Comprehensive fuse charts, relay locations, and amperage ratings for all circuits. Ground Distribution: Identification and location of all chassis and system ground points. Central Body Electronics: Covers the integrated body control modules, often responsible for lighting, wipers, and other convenience features. Comfort Systems: Detailed coverage of power windows, seats, mirrors, locks, sunroof, and convertible top mechanisms. Engine Management: Detailed breakdown of the Engine Control System (DME), including sensors, actuators, and ignition systems. Procedures Included Diagnostic Procedures: Fault diagnosis, troubleshooting trees, component testing, circuit analysis Repair Procedures: Wiring repair, component replacement guidance (electrical aspects) Wiring Schematics: Detailed, system-specific wiring diagrams showing component connections, wire colors, and pin assignments. Component Replacement Procedures: While primarily for electrical troubleshooting, it often implicitly guides component identification and access for electrical repairs. Technical Depth Depth: Comprehensive electrical system diagnosis and repair, component-level troubleshooting, wiring schematics and harness layouts Component Identification: Diagrams and descriptions to identify the location and function of various electrical components. Troubleshooting Logic: Step-by-step logical approaches to diagnosing faults based on symptoms. Wiring Color Codes: Essential for identifying specific wires within complex harnesses. Connector Pinouts: Critical for diagnosing issues at connectors and for component testing. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: High-resolution, printable for hardcopy Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine 318I/Is: M43B18, 1.8L Inline-4, approx. 115 hp 320I: M50B20, 2.0L Inline-6, approx. 150 hp 325I/Is: M50B25, 2.5L Inline-6, approx. 189 hp M3: S50B30 (US spec 3.0L Inline-6, approx. 240 hp) or S52B32 (US spec 3.2L Inline-6, approx. 240 hp); Euro spec models differ significantly. Fuel System Injection Type: Bosch Motronic engine management (specific version varies by engine) Performance Horsepower Range: 115 hp (318i) to 240 hp (M3 - US spec) Torque Range: Approx. 124 lb-ft (318i) to 236 lb-ft (M3 - US spec) 🔧 Transmission Standard Standard Transmission: 5-speed manual Optional Optional Transmission: 4-speed automatic (GM A4S 310R or ZF 4HP22 EH) Features Electronic Control: Available on automatic transmissions, covered in the ETM. 📐 Dimensions Exterior Body Styles: Sedan (4-door), Coupe (2-door), Convertible (2-door) Weights Curb Weight Range: Approx. 1350-1550 kg (3000-3400 lbs) depending on model and equipment 🛡️ Safety Features Ratings Passive Safety Features: Front airbags (driver and passenger), seatbelt pre-tensioners, reinforced chassis structure. Active Features Traction Control: Available 'ASC' (Automatic Stability Control) on some models, part of the slip control system. Passive Features Airbag System: Covered in detail within the SRS and Airbag sections. 💡 Technology Features Infotainment Audio System: Factory radio/cassette or CD player with optional premium sound systems. ETM covers power and speaker wiring. On Board Computer: The On Board Display (OBD) system for checking vehicle status and diagnostics is covered. Driver Assistance ABS Asc: Anti-lock Braking System (ABS) and Automatic Stability Control (ASC) are key electronic systems covered. Connectivity Diagnostic Port: BMW's proprietary 20-pin diagnostic connector, later superseded by OBD-II on some late-model E36s. The ETM would cover its location and basic function for data link. 🔧 Maintenance Service Intervals Typical Oil Change Interval: Approximately 7,500-10,000 miles or 12 months (BMW's condition-based service system started to be implemented). Fluid Specifications Engine Oil Recommendation: SAE 5W-30 or 5W-40 synthetic oil meeting BMW Longlife-98 specification (consult manual for exact fitment and specific engine requirements)....