🏷️ Basic Information Identification Make: BMW Model: 3 Series (E30) Production Years: 1984-1990 Generation Chassis Code: E30 👋 Introduction Market Position Target Audience: DIY enthusiasts, home mechanics, BMW E30 owners seeking detailed repair information. Competitive Analysis Value Proposition: Provides access to OEM-level repair data without the cost and wait of physical manuals or dealer service. Key Features Benefits: Saves money on repairs and maintenance, deepens vehicle understanding, immediate access to crucial information. 📋 Manual Details Coverage Areas Covered Models: 318i, 325, 325e, 325es, 325i, 325is, 325 Convertible Page Count Estimated Pages: Refer to original OEM manual content; exact count not provided but described as 'COMPLETE' and 'hundreds of photos and illustrations'. Manual Type Type: Official Workshop Service and Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Management: Engine Management - Driveability Engine: Engine (including overhaul, diagnostics, and repair) Fuel System: Fuel System (including components, diagnosis, and repair) Ignition System: Ignition System (components, timing, troubleshooting) Exhaust Emission: Exhaust System and Emission Controls (including catalytic converter, O2 sensors, emissions regulations) Transmission Manual: Manual Transmission and Clutch (operation, repair, clutch system) Transmission Automatic: Automatic Transmission (operation, repair, torque converter) Drivetrain: Driveshaft and Final Drive (including differential, CV joints) Brakes: Brakes (hydraulic system, ABS if applicable, pad/rotor replacement, fluid) Suspension Steering: Suspension and Steering (components, alignment, power steering) Body: Body and Interior (trim, panels, seats, glass) Electrical System: Electrical System (wiring diagrams, components, troubleshooting) Procedures Included Maintenance: Lubrication and Maintenance (fluid changes, filter replacements, inspections) Diagnostics: All diagnostic and repair procedures Repair: Repair, maintain, rebuild, refurbish, restore Technical Depth Depth: Comprehensive. Equivalent to dealer-level workshop manual, covering detailed repair and diagnostic procedures. Illustrations Image Count: Hundreds of photos and illustrations guiding procedures. 📊 Manual Specifications File Format Format: PDF Compatibility: All Versions of Windows & Mac Print Quality Printability: Printable without any restriction Binding Type Binding: Digital Download (no physical binding) Paper Type Paper: N/A (Digital) Features Enhancements: Bookmarks, Searchable Text, Index for best organization Delivery Method: Instant download link on checkout page after payment. Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Families: M10 (4-cylinder), M20 (6-cylinder) and variants (e.g., M20B27 for 325e/325es) Performance 318I Engine: M10B18, 1.8L SOHC Inline-4 (approx. 101-105 hp) 325E 325Es Engine: M20B27, 2.7L SOHC Inline-6 (eta engine, approx. 121-127 hp, higher torque) 325I 325Is Engine: M20B25, 2.5L DOHC Inline-6 (approx. 168-171 hp) 325 Engine: Likely refers to the M20B25 or potentially an earlier 2.7L variant depending on market/specific designation. Fuel System Injection Type: Bosch L-Jetronic or Motronic (depending on model and year) Technical Details Valve Train: SOHC (M10, M20 eta) or DOHC (M20 2.5L) depending on engine 🔧 Transmission Standard Transmission Types: 4-speed Manual, 5-speed Manual (Getrag), 3-speed Automatic, 4-speed Automatic (ZF) Optional Gearbox Variants: 5-speed Getrag 260 manual transmission was a popular option. Features Clutch System: Hydraulically actuated single-plate dry clutch. Fluid Specifications Manual Transmission Fluid: Typically SAE 75W-90 or 80W-90 gear oil (refer to manual for exact BMW spec like LT-2 or SAF-XO). Automatic Transmission Fluid: ATF Dexron III or equivalent (consult manual for precise BMW spec). 📐 Dimensions Exterior Body Styles: 2-door Sedan (Coupe), 4-door Sedan, Convertible, Station Wagon (Touring - though not explicitly listed in product name, it's part of E30 generation). Weights Curb Weight Range: Approx. 2,500 - 3,000 lbs (1135 - 1360 kg) depending on model and equipment. 🛡️ Safety Features Ratings Crash Test Results: No standardized US crash test ratings available for this era (NHTSA testing was nascent). Focus on OEM safety design principles. Passive Features Seat Belts: 3-point front seat belts with pre-tensioners (later models), 2-point or 3-point rear seat belts. Chassis Design: Designed with safety cages and crumple zones typical for the era. Active Features Braking System: Front disc brakes, rear drum brakes (standard), optional ABS on some models. 💡 Technology Features Infotainment Audio System: Original BMW radio/cassette players, often with optional premium sound systems. Limited connectivity by modern standards. Driver Assistance ABS: Optional Anti-lock Braking System (ABS) on higher trims or later models. Connectivity Diagnostics: Early diagnostic systems, often plug-and-play connector for basic fault codes rather than advanced OBD-II. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 miles (8,000 - 12,000 km) or annually, depending on driving conditions (refer to manual for specific recommendation). Coolant Flush: Every 2-3 years or as specified by BMW (typically 30,000 - 40,000 miles). Fluid Specifications Engine Oil: Varies by engine, but typically 20W-50, 15W-40, or 10W-40 synthetic or semi-synthetic oil meeting BMW specifications (e.g., BMW High Performance Synthetic). Coolant: Glysantin G05 or equivalent Ethylene Glycol based coolant (usually a 50/50 mix with distilled water). Brake Fluid: DOT 3 or DOT 4 high-temperature brake fluid (flush every 2 years). Known Issues Common Problems: Cooling system leaks (radiator, hoses, water pump), fuel distributor issues (M-Jetronic), idle control valve problems, fuel...