🏷️ Basic Information Identification Make: BMW Model: 316i Generation: E30 Codes Chassis Code: E30 Engine Code Prefix: M40 👋 Introduction Market Position Segment: Compact executive sports sedan. Competitive Analysis Key Competitors: Mercedes-Benz 190E, Audi 80/90, Volvo 240, Alfa Romeo 75. Key Features Design Philosophy: Sporty handling, driver-focused interior, build quality, rear-wheel drive platform. Target Audience: Enthusiasts and those seeking a premium, engaging driving experience. 📋 Manual Details Coverage Areas Applicable Years: 1988, 1989, 1990, 1991 Page Count Estimated Pages: Over 1000 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Full engine overhaul, component replacement, timing belt, lubrication system, cooling system. Fuel System: Fuel injection (Bosch Motronic), fuel pump, injectors, fuel filter, evaporative emission control. Ignition System: Ignition timing, coil, distributor, spark plugs, ignition control module. Transmission Manual: Clutch, gearbox overhaul, gear shift linkage, driveshafts, differential. Transmission Automatic: If applicable to specific 316i models within the range: Overhaul, fluid changes, solenoids, torque converter. Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications. Steering: Power steering system, steering rack, tie rods, steering column, lubrication. Brakes: Front and rear disc brakes, calipers, master cylinder, brake lines, parking brake, ABS (if equipped). Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting, fuses, relays, comfort electronics. Bodywork: Body panel removal and installation, door mechanisms, trim, glass, rust prevention. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid top-ups, spark plug replacement, belt inspection. Troubleshooting: Diagnostic procedures for engine performance, electrical faults, drivability issues, common problems and solutions. Major Repairs: Engine rebuilds, transmission overhauls, suspension component replacement, brake caliper rebuilding. Component Replacement: Step-by-step guides for replacing radiators, alternators, starters, fuel pumps, sensors, etc. Diagnostics: Use of diagnostic tools, fault code reading (where applicable), electrical system testing. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures and wiring diagrams. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Typically text-searchable PDF for easy keyword locating. Print Quality Resolution: High-resolution scans suitable for printing. Binding Type Type: Not applicable (Digital Download) Paper Type Type: Not applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Name: BMW M40B16 Engine Type: Inline 4-cylinder, SOHC (Single Overhead Camshaft) Displacement: 1596 cc (1.6 Liters) Bore X Stroke: 84.0 mm x 71.0 mm Compression Ratio: 9.0:1 Performance Horsepower: 100 hp (74 kW) @ 5800 rpm Torque: 141 Nm (104 lb-ft) @ 4300 rpm Fuel System Fuel Delivery: Bosch Motronic ML4.1 Fuel Injection Fuel Type: Unleaded Gasoline (Octane Rating 91-95 RON) 🔧 Transmission Standard Type: Getrag 260 5-Speed Manual Transmission Optional Type: ZF 4HP22 4-Speed Automatic Transmission Features Clutch Type: Hydraulically operated single dry plate clutch. Transmission Fluid Manual: BMW MTF LT-2 (or equivalent GL-4 gear oil, check manual for specifics). Transmission Fluid Automatic: Dexron III (or equivalent, check manual for specifics). 📐 Dimensions Exterior Length: Approx. 4325 mm (170.3 in) Width: Approx. 1645 mm (64.8 in) Height: Approx. 1380 mm (54.3 in) Wheelbase: Approx. 2560 mm (100.8 in) Weights Curb Weight: Approx. 1160-1230 kg (2557-2712 lbs), depending on options. 🛡️ Safety Features Ratings Crash Testing Era: No standardized global ratings like NCAP existed in this format. Based on contemporary design and BMW's safety focus. Active Features Braking System: Front ventilated discs, rear solid discs. Optional ABS. Passive Features Body Structure: Reinforced passenger cell, crumple zones. Seat Belts: 3-point inertia reel seatbelts in the front, standard in the rear. 💡 Technology Features Infotainment Audio System: Typically basic AM/FM radio with cassette player. Optional upgraded sound systems available. Driver Assistance ABS: Optional Anti-lock Braking System (ABS) available on some models. Connectivity Early Tech: Limited connectivity. Primarily focused on mechanical and analog driver interaction. 🔧 Maintenance Service Intervals Oil Change: Every 10,000-15,000 km or 12 months, whichever comes first (check manual for precise BMW recommendations). Timing Belt: Recommended replacement every 60,000 km or 4 years due to the M40 engine's interference design. Fluid Specifications Engine Oil: API SG or ACEA A2-96, SAE 10W-40 or 15W-40 (consult manual for specific viscosity based on climate). Coolant: BMW Blue Antifreeze/Coolant (ethylene glycol based) mixed with distilled water at a 50:50 ratio. Brake Fluid: DOT 4. Known Issues M40 Engine: Potential for timing chain tensioner wear, head gasket issues if overheated, injector failures. E30 Chassis: Rust in common areas (wheel arches, sills, battery tray), worn suspension bushings, electrical connector corrosion, heater control valve failures. Part Numbers Example Oil Filter: Mann-Filter W 914/2 or equivalent. Air Filter: Mann-Filter C 32 114 or equivalent. Spark Plugs: NGK BKR6EK (or specified equivalent by BMW). 📚 Vehicle History Brand Heritage Bmw Heritage: BMW's reputation for 'The Ultimate Driving Machine' established with iconic models like the 2002 and earlier 3 Series generations. Model Evolution E30 Introduction: The E30 generation (introduced in 1982) was a significant...