🏷️ Basic Information Identification Make: BMW Model: M3 Model Generation: E36 Model Year: 1990 Codes Chassis Code: E30 (for the 1990 model year, E36 M3 was not yet released in most markets, the M3 was based on the E30 chassis for this year) Engine Code Typical: S14 (for E30 M3) 👋 Introduction Market Position Target Audience: BMW M3 owners seeking to perform repairs and maintenance, independent workshops. Value Proposition Cost Savings: Enables owners to save money by performing repairs themselves or better understanding workshop procedures. Key Features Professional Standard: Contains the same technical information used by professional garages and workshops. Technical Data Completeness: Provides all necessary technical information for optimal vehicle condition. 📋 Manual Details Coverage Areas Primary Coverage: Electrical Systems and Troubleshooting Secondary Coverage: Component Location, Wiring Diagrams, Power Distribution, Ground Distribution Page Count Estimated Page Count: Varies, typically 200-400 pages for comprehensive electrical manuals Manual Type Type: Electrical Troubleshooting Manual / Service Manual Language Language: English (assumed, based on common manual language for global markets) Format Format: Printed (implied by 'manual what will be send to you') Completeness Scope: Comprehensive coverage of all electrical systems and their troubleshooting procedures. 📖 Manual Coverage Systems Covered Electrical Systems: Engine Control System, Charging System, Starting System, Electronic Transmission Control, Supplemental Restraint System (SRS), ABS/Slip Control, Power Mirrors, Central Locking, Power Windows, Power Seats, Heated Seats, Power Sunroof, Horn, Wiper/Washer Module, Headlight Washers, Windshield Washer Jet Heaters, Instrument Cluster, Multi-Function Clock, Light Switch, Headlights/Fog Lights, Turn/Hazard Lights, Parking/Tail/Underhood Lights, License Plate/Luggage Compartment Lights, Backup Lights, Brake Lights, Interior Lights, Glove Box/Ashtray Lights, Charging Socket, Crash Control Module, Park Ventilation, Rear Window Defogger, Climate Regulation, Radio/CD Player, Radio/Hi-Fi, Cellular Telephone, Cruise Control, Anti-Theft System, On-Board Computer Lighting Systems: Headlights, fog lights, turn signals, hazard lights, parking/tail lights, interior lights, glove box light, license plate light, luggage compartment light, backup lights, brake lights. Comfort Systems: Power mirrors, central locking, power windows, power seats, heated seats, power sunroof, horn, wiper/washer, headlight washers, windshield washer jet heaters, park ventilation, rear window defogger, climate regulation. Instrumentation And Control: Instrument cluster, multi-function clock, light switch details, anti-theft system, on-board computer. Procedures Included Troubleshooting Guides: Step-by-step troubleshooting for electrical faults, diagnostic procedures for various systems. Repair Procedures: Detailed instructions for component repair, wiring harness repair, module replacement, and system diagnostics. Installation Procedures: Information on component installation and system setup. Technical Depth Diagnostic Level: Advanced diagnostics, including symptom-to-cause analysis and testing procedures for sensors, actuators, and control modules. Wiring Diagrams: Comprehensive wiring diagrams with component identification and wire routing. Schematics: Detailed electrical schematics for all major systems. Illustrations Diagrams: Inclusion of illustrations, diagrams, and depth illustrations for clarity. Troubleshooting Methodology: Logical step-by-step troubleshooting based on symptoms. Component Location Component Charts: Detailed component location charts and views for all electrical components. Wiring Diagram Details Splice Locations: Information on splice locations within the wiring harness. Connector Details Connector Views: Views and pinout information for various electrical connectors. 📊 Manual Specifications File Format Format Type: Printed (assumed) Print Quality Paper Quality: High-quality paper for durability and clarity of diagrams. Binding Type Binding: Professionally bound for ease of use in a workshop environment. Usability Comprehension Level: Suitable for individuals with basic mechanical knowledge, with step-by-step explanations. ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder, DOHC, Naturally Aspirated (for E30 M3 S14) Performance Displacement Liters: 2.3 L (for E30 M3) Horsepower Hp: Approx. 192-215 hp (depending on specific E30 M3 variant and market) Torque Lb Ft: Approx. 170-177 lb-ft (depending on specific E30 M3 variant and market) Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection (EFI) Engine Code Specific Engine Code: S14B23 (for 2.3L) 🔧 Transmission Standard Transmission Type: 5-speed Manual (Getrag 265/5 for E30 M3) Features Clutch Type: Hydraulically operated single dry plate clutch 📐 Dimensions Exterior Body Style: 2-door Sedan (E30 M3) Weights Curb Weight Lbs: Approx. 2700-2800 lbs (E30 M3) 🛡️ Safety Features Active Features ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Driver's airbag may be standard or optional depending on market. Seatbelts: 3-point inertia-reel seatbelts 💡 Technology Features Infotainment Audio System: BMW Bavaria C Business/Professional radio with cassette player, optional CD player, often with Hi-Fi speaker system. Driver Assistance Cruise Control: Optional cruise control (Tempomat) available. Connectivity Cellular Telephone: Optional factory-installed cellular telephone system. 🔧 Maintenance Service Intervals Oil Change Interval Miles: Typically 5,000-7,500 miles or annually, whichever comes first. Major Service Interval Miles: Refer to manual; often around 30,000 miles for spark plugs, fluids, etc. Fluid Specifications Engine Oil Type: Synthetic SAE 15W-50 or 10W-40 API SG/CD, BMW Longlife-98 approved. Coolant Type: BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol based coolant. Brake Fluid Type: DOT 4 Transmission Fluid Type: API GL-4 or GL-5 gear oil, typically SAE 75W-90. Differential Fluid Type: API GL-5 gear oil, typically SAE 75W-90 (or specific limited-slip differential fluid if applicable)....