🏷️ Basic Information Identification Make: BMW Model: 328i Chassis Code: E30 Model Years Covered: 1987-1991 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Competitive Analysis Key Competitors: Mercedes-Benz W201 (190E), Audi 80/90, Alfa Romeo 75 Key Features Design Philosophy: Driver-focused, balanced chassis, high-quality engineering Driving Dynamics: Renowned for balanced weight distribution, responsive steering, and a connected driving experience. 📋 Manual Details Coverage Areas Main Coverage: Workshop repair and maintenance procedures Specific Topics: Engine, fuel system, transmission, suspension, brakes, electrical systems, bodywork, troubleshooting Electrical Diagrams: Included, essential for electrical system troubleshooting and repairs. Page Count Estimated Page Count: Varies based on specific edition, typically several hundred pages Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine removal/installation, cylinder head, valves, pistons, crankshaft, crankcase, lubrication, inspection and adjustment Fuel System: Fuel injection system, fuel pump, injectors, fuel lines, fuel tank Transmission: Clutch, gearshift linkage, sub-transmission, transmission overhaul, crankshaft/primary shaft Suspension Steering: Front wheel and suspension, rear wheel and suspension, steering components Brakes: Hydraulic brake system, components, servicing, bleeding Electrical System: Battery and charging system, ignition system, electric starter, switches, wiring diagrams Bodywork: Body repair, panel replacement, rust prevention, trim removal/installation Exhaust System: Exhaust manifold, catalytic converter, mufflers, pipes Cooling System: Radiator, water pump, thermostat, hoses, fan Climate Control: HVAC system components, operation, and basic troubleshooting. Procedures Included Maintenance: Routine maintenance checks, fluid changes, filter replacements Repair: Component overhaul, system rebuilding, part replacement Diagnostics: Troubleshooting guides, symptom identification, diagnostic procedures Electrical Diagnostics: Wiring diagrams, troubleshooting electrical faults, component testing Performance Tuning: May include basic tuning adjustments for fuel and ignition systems. Technical Depth Level: Comprehensive workshop level, covering from basic adjustments to complete engine and transmission rebuilds Specific Rebuilds: Detailed procedures for engine component rebuilds (pistons, rings, bearings, valves), transmission overhauls, differential rebuilds Diagnostic Tools: While not explicit, the manual would guide users on diagnostic procedures potentially using basic tools like multimeters and pressure gauges common for the era. 📊 Manual Specifications File Format Compatibility: PC/MAC Compatible Features: Searchable text, zoom in/out functionality Searchability: Full text search enabled for quick information retrieval. Delivery Method: Instant Download via Email Link Print Quality Printability: Printable pages (entire manual or select sections) ⚙️ Engine Specifications Primary Engine Engine Code Range: M20 series (e.g., M20B27 variations for '87-'91 E30 328i equivalent models, though '328i' designation was less common in US for E30. Likely referring to 325i or 325e variants adapted). Displacement: Typically 2.7L or 2.5L for the relevant E30 models from this era. Performance Horsepower Range: Approx. 121-168 hp depending on specific engine variant (e.g., 325i). Torque Range: Approx. 170-220 Nm (125-162 lb-ft) depending on specific engine variant. Fuel System Injection Type: Bosch Motronic electronic fuel injection Engine Code Range Note On 328I: In North America, the E30 models were primarily 318i, 325e, 325i, and M3. The '328i' designation was not common for the E30 chassis. This manual likely covers models equivalent to a 328i's performance level within the E30 range, such as the 325i or modified variants. 🔧 Transmission Standard Type: Getrag 5-speed manual transmission Optional Type: ZF 4-speed automatic transmission Features Drivetrain: Rear-wheel drive (RWD) 📐 Dimensions Exterior Body Styles: 2-door Sedan, 4-door Sedan, Convertible, Touring (Wagon) Weights Curb Weight Range: Approx. 1200-1350 kg (2645-2976 lbs) 🛡️ Safety Features Ratings Historical Ratings: E30 platform generally regarded as well-built for its era, though modern safety standards were not applied. Active Features Optional Features: Anti-lock Braking System (ABS) Passive Features Features: Reinforced chassis, crumple zones, seatbelts 💡 Technology Features Infotainment Features: Basic AM/FM radio, optional cassette player, optional premium sound system, optional On-Board Computer (OBC). Driver Assistance Features: ABS (optional) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles (12,000-16,000 km) or 12 months, depending on driving conditions and oil used. Timing Belt Replacement: M20 engines are interference engines; timing belt replacement recommended every 30,000-60,000 miles (48,000-96,000 km) or 4-5 years. Fluid Specifications Engine Oil: API SG/SH rated, viscosity typically 15W-40 or 20W-50. Consult manual for precise grade based on climate. Coolant: BMW Blue Antifreeze/Coolant (G48) or equivalent silicate-free ethylene glycol-based coolant, mixed 50/50 with distilled water. Transmission Fluid Manual: GL-4 rated gear oil, typically SAE 75W-90 or 80W-90. Transmission Fluid Automatic: Dexron III (or equivalent) automatic transmission fluid. Brake Fluid: DOT 4 or DOT 4 Plus brake fluid. Differential Fluid: API GL-5 rated gear oil, SAE 75W-90 or 80W-90. Power Steering Fluid: ATF (Automatic Transmission Fluid) or specific BMW power steering fluid. Known Issues Common Problems: Fuel distributor issues (L-Jetronic), cooling system leaks (radiator, hoses, water pump), front strut tower rust/cracking, vacuum leaks, deteriorating rubber bushings, OBC (On-Board Computer) malfunctions. 📚 Vehicle History Brand Heritage Heritage Context: BMW is renowned for its 'Ultimate Driving Machine' slogan, emphasizing performance and engineering. Model Evolution E30 Significance: The E30 is considered one of...