🏷️ Basic Information Identification Make: BMW Model: 3 Series (E30) Model Variant: 316i Codes Chassis Code: E30 👋 Introduction Market Position Target Audience: BMW E30 316i owners, DIY enthusiasts, independent repair shops Value Proposition: Provides comprehensive, detailed repair and maintenance information for the BMW 316i E30, enabling owners to service and repair their vehicles effectively. Competitive Analysis Differentiation: Claims 'real deal' status with A-Z coverage of mechanical and electrical repairs, distinguishing it from less comprehensive guides. Key Features Content Highlight: Extensive coverage of all repairs, both mechanical and electrical, supported by detailed visuals. 📋 Manual Details Coverage Areas Covered Models: All BMW 316i E30 models Covered Years: 1988, 1989, 1990, 1991 Coverage Scope: Mechanical and Electrical Repairs, A-Z Page Count Estimated Page Count: Varies (Digital product, printable pages, content comprehensive) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (Printable Pages) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, tuning, diagnostics, fuel injection (Bosch Motronic), cooling system, exhaust system Transmission: Manual and Automatic transmission repair, clutch, driveshafts, differential Brakes: Hydraulic system, ABS (if equipped), brake pad/disc replacement, caliper overhaul Suspension Steering: Front and rear suspension components, shock absorbers, springs, steering rack, power steering Electrical System: Wiring diagrams, battery, alternator, starter, lighting system, ignition system, engine control unit (ECU), diagnostics Bodywork Interior: Body panel repair, rust prevention, interior trim, seats, HVAC system Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, timing belt/chain inspection, fluid level checks Repair Procedures: Step-by-step instructions for all mechanical and electrical component repairs and replacements Troubleshooting: Diagnostic charts and procedures for identifying and resolving common issues Diagnostics: Engine management diagnostics, electrical fault finding using diagrams Technical Depth Depth: Comprehensive from basic maintenance to complete engine rebuilds and complex electrical diagnostics Visual Aids: Tons of detailed pictures and diagrams 📊 Manual Specifications File Format Digital Format: PDF (implied by printable pages) Print Quality Printability: All pages printable Binding Type Binding: Digital - Not Applicable (User prints and binds) Paper Type Paper Recommendation: Standard printing paper (User dependent) ⚙️ Engine Specifications Primary Engine Engine Code Family: M40 Engine Type: Inline 4-cylinder, SOHC Displacement: 1.6 Liters (1596 cc) Bore X Stroke: 84.0 mm x 71.0 mm Compression Ratio: 8.5:1 or 9.5:1 (depending on specific model year/market) Performance Horsepower: Approx. 102 PS (75 kW; 101 hp) at 6000 rpm Torque: Approx. 140 Nm (103 lb-ft) at 4300 rpm Fuel System Fuel Delivery: Bosch Motronic fuel injection (Mono-Jetronic on earlier models, likely L-Jetronic/Motronic on later 1988-1991 models) Fuel Type: Unleaded gasoline (Premium recommended) Engine Management Ignition System: Electronic Ignition (Distributorless on later models, or with distributor) 🔧 Transmission Standard Transmission Type: 4-speed Manual ( Getrag 240 ) Optional Transmission Type: 3-speed Automatic (ZF 3HP22) Features Clutch Type: Single dry plate, hydraulic actuation Fluid Specs Manual Transmission Fluid: API GL-4 SAE 75W-90 or SAE 80W-90 Automatic Transmission Fluid: Dexron III or equivalent 📐 Dimensions Exterior Body Styles: 2-door Sedan (E30/2), 4-door Sedan (E30/4), Convertible (E30/2C), Touring (E30/5 - less common for 316i) Wheelbase: 2560 mm (100.8 in) Length: Approx. 4340 mm (170.9 in) for sedans Width: Approx. 1640 mm (64.6 in) Height: Approx. 1380 mm (54.3 in) for sedans Weights Curb Weight: Approx. 1150 - 1250 kg (2535 - 2756 lbs) depending on body style and transmission 🛡️ Safety Features Ratings Safety Features Era: Standard safety features for the late 1980s/early 1990s. Active Features Braking System: Front ventilated discs, rear drums (or all-around discs on some later models). ABS optional on some variants. Passive Features Seatbelts: 3-point front seatbelts, often with pretensioners. Rear seatbelts. Body Construction: Reinforced safety cage, crumple zones 💡 Technology Features Infotainment Radio System: Factory-fitted radio/cassette player (various brands like Blaupunkt, Becker). Aftermarket upgrades common. On Board Computer: Optional On-Board Computer (OBC) with basic functions like fuel consumption, trip distance, time. Driver Assistance ABS: Anti-lock Braking System (ABS) was an optional feature on many E30 models, including the 316i. Connectivity Connectivity Features: Limited by era; primarily focused on basic vehicle functions. No Bluetooth or USB connectivity from the factory. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 - 15,000 km or 12 months, whichever comes first (check manual for exact spec). Spark Plug Replacement Interval: Approx. 30,000 - 40,000 km (depending on plug type, e.g., copper vs. platinum). Timing Belt Interval: The M40 engine uses a timing belt. Replacement interval typically around 60,000 km or 4 years. Critical to replace as failure can cause severe engine damage. Fluid Specifications Engine Oil Type: Synthetic or Semi-Synthetic 10W-40 or 5W-40 (API SG/SH or ACEA A2/A3, BMW Longlife-98 specification may be applicable for later oil types). Coolant Type: Ethylene glycol based antifreeze, mixed with distilled water. BMW Blue coolant (G48) or equivalent. Brake Fluid Type: DOT 4 Known Issues Engine M40: Timing belt wear, valve stem seals (oil consumption), starter motor issues, idle...