🏷️ Basic Information Identification Make: BMW Model: 3 Series (E30) Model Variants: 316, 316i, 318i, 318is, 320i, 320is, 324, 324D, 324TD Applicable Years: 1985, 1986, 1987, 1988, 1989, 1990 Codes Chassis Code: E30 👋 Introduction Market Position Segment: Compact Executive Sedan and Coupe (sporty rear-wheel-drive focus) Target Audience: Enthusiasts, DIY mechanics, professional workshops seeking detailed information on the E30 generation Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Ford Sierra, Opel Vectra Key Features Vehicle Philosophy: Driving dynamics, balance, quality engineering, a balance of performance and everyday usability Manual Value Proposition: Provides in-depth knowledge to maintain and repair the E30, extending its lifespan and preserving its performance characteristics 📋 Manual Details Coverage Areas General Coverage: Complete Workshop Service Repair Specific Coverage: Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Bodywork, Fuel System, Cooling System, Exhaust System, Diagnostics, Troubleshooting, Maintenance Page Count Estimated Pages: 1000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Downloadable Digital File (likely PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhauls, component testing, timing, valve adjustments, piston/ring replacement, crankshaft/connecting rod procedures Engine Management: Fuel injection (K-Jetronic, L-Jetronic, Motronic), ignition system diagnostics and adjustment, sensor testing, ECU information Drivetrain: Manual and automatic transmission removal/installation, clutch replacement, driveshaft, differential, axle shaft service Suspension And Steering: Strut replacement, shock absorbers, control arms, ball joints, tie rod ends, steering rack, power steering system service Braking System: Disc brake service (pads, rotors), drum brake service, hydraulic system bleeding, ABS system diagnostics (if applicable to specific models) Electrical System: Wiring diagrams, component testing, starter, alternator, battery, lighting system, fuse/relay identification, instrument cluster service Heating Ventilation Air Conditioning: HVAC system diagnosis, blower motor, heater core, A/C compressor and system service Body And Chassis: Body panel repair, door mechanisms, glass replacement, interior trim removal, corrosion protection Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, fluid level checks, belt inspection and replacement Troubleshooting: Systematic diagnostic procedures for common faults, fault code interpretation (where applicable) Major Repairs: Engine rebuilds, transmission overhauls, suspension component replacement, brake caliper rebuilds Special Tools: Identification and usage of BMW-specific tools for certain procedures Specifications And Tolerances: Torque specifications, clearances, measurements, and acceptable wear limits Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission rebuilds 📊 Manual Specifications File Format Quality: Likely high-resolution scans, searchable text for PDF versions Compatibility: Viewable on most computers, tablets, and smartphones Print Quality Recommendation: Printable for workshop use, though digital access is primary Binding Type N/A: Not applicable for digital download Paper Type N/A: Not applicable for digital download ⚙️ Engine Specifications Primary Engine Engine Codes Covered: M10 (4-cylinder petrol), M20 (6-cylinder petrol), M21 (4-cylinder diesel), M21 Turbo Diesel (TD) Performance 316 Spec: 1.6L M10 Inline-4, ~75-90 hp (carbureted/early injection) 316I Spec: 1.8L M10 Inline-4, ~105 hp (L-Jetronic) 318I Spec: 1.8L M10 Inline-4, ~105 hp (L-Jetronic), later 1.8L M40 Inline-4 ~115 hp 318Is Spec: 1.8L M42 Inline-4, ~138 hp (DOHC, Vanos) 320I Spec: 2.0L M20 Inline-6, ~125-129 hp (L-Jetronic) 320Is Spec: 2.0L M20 Inline-6, ~125-129 hp (L-Jetronic, specific tuning for certain markets) 324D Spec: 2.4L M21 Diesel Inline-6, ~86 hp 324Td Spec: 2.4L M21 Turbo Diesel Inline-6, ~115 hp Fuel System Injection Types: Bosch K-Jetronic, Bosch L-Jetronic, Bosch Motronic Fuel Type: Unleaded Petrol (RON 91/95/98 depending on engine), Diesel 🔧 Transmission Standard Common Transmission: Getrag 5-speed Manual Optional Automatic Transmission: ZF 4-speed Automatic Features Clutch Type: Single dry plate clutch (manual) Differential Type: Limited Slip Differential (LSD) available as option on some models 📐 Dimensions Exterior Body Styles: 2-door Sedan, 4-door Sedan, Convertible, Touring (Wagon, less common/market specific) Weights Curb Weight Range: Approx. 1100 - 1400 kg (depending on model and equipment) 🛡️ Safety Features Ratings Historical Ratings: NAIAS (North American Import Automotive Safety) or Euro NCAP ratings from this era are limited; focused on passive safety design of the time Active Features Available Features: ABS (Anti-lock Braking System) available on later/higher-spec models Passive Features Standard Features: Front crumple zones, reinforced passenger cell, safety glass, 3-point seatbelts 💡 Technology Features Infotainment Radio System: Factory installed premium sound systems (e.g., Blaupunkt, Becker), cassette player common Driver Assistance Features Available: Limited by modern standards; focus was on chassis tuning and driver feel. Cruise control available on some models. Connectivity Features Available: None by modern standards (no Bluetooth, USB, etc.) 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions Timing Belt Replacement: For M40 and M42 engines: typically every 40,000-60,000 miles (60,000-100,000 km). M10/M20 engines use timing chains. Spark Plug Replacement: Varies by plug type; ~20,000-30,000 miles for standard plugs, longer for platinum/iridium Fluid Specifications Engine Oil: API SG or higher; Viscosity typically 10W-40 or 15W-40 for most engines, check manual for specifics based on temperature Coolant: BMW Blue or equivalent Ethylene Glycol coolant, 50/50...