🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 316 / 316i Year: 1988 Codes Chassis Code: E30 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: DIY enthusiasts, independent repair shops, classic BMW owners seeking detailed technical information. Competitive Analysis Key Competitors Era: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Series, Ford Sierra. Key Features Vehicle Appeal: Rear-wheel drive dynamics, build quality, driver-focused cockpit, sporty handling, enduring design. Manual Value Proposition: Provides essential, in-depth technical knowledge to maintain and repair the classic E30 chassis, enabling cost-effective ownership and preserving vehicle integrity. 📋 Manual Details Coverage Areas Coverage Scope: All Models, Engines, Trim, and Transmission Types for the 1988 BMW 316 and 316i Page Count Estimated Page Count: 500+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine mechanicals, cylinder head, block, crankshaft, pistons, camshafts, lubrication system, cooling system, fuel injection system (Bosch Motronic), ignition system, emissions control. Transmission: Manual and automatic transmission overhaul, clutch operation, shift mechanisms, gear ratios, lubrication, troubleshooting. Drivetrain: Driveshafts, universal joints, differential, rear axle assembly, lubrication. Suspension: Front struts, control arms, ball joints, bushings, rear semi-trailing arms, shock absorbers, springs, anti-roll bars, alignment specifications. Steering: Steering rack, tie rods, steering column, power steering system (if equipped), troubleshooting. Brakes: Front disc brakes, rear drum brakes, brake hydraulics, master cylinder, brake calipers, wheel cylinders, parking brake, bleeding procedures, specifications. Electrical System: Battery, charging system (alternator, regulator), starting system (starter motor), ignition system, lighting, instrumentation, fuses, relays, wiring diagrams for all major systems. Body And Chassis: Body panel removal and installation, door mechanisms, glass, bumpers, interior trim, underbody coatings, rust prevention. Heating And Air Conditioning: HVAC system operation, blower motor, heater core, evaporator, refrigerant system (if equipped), controls, troubleshooting. Procedures Included Maintenance: Routine oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt adjustments and replacement, brake pad inspection, tire rotation. Diagnostics And Troubleshooting: System-by-system troubleshooting guides, common fault diagnosis, symptom-based troubleshooting, diagnostic trouble codes (if applicable to the era). Repair And Overhaul: Detailed step-by-step instructions for engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs, electrical component troubleshooting and replacement. Specifications And Tolerances: Torque specifications for all fasteners, engine component clearances, valve adjustments, alignment angles, fluid capacities, electrical resistance values. Wiring Diagrams: Comprehensive and clearly labeled wiring diagrams for all major electrical circuits, including engine management, lighting, instruments, and accessories. Technical Depth Depth: Comprehensive from basic scheduled maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics and body repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Printability: Printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code Range: M10 (for 316, typically M10B18), M40 (for 316i, typically M40B18) Engine Type: Inline 4-cylinder, SOHC (M10) / DOHC (M40) Displacement: 1.8 Liters (1766cc for M10, 1795cc for M40) Performance Horsepower Approx: 90-105 hp (depending on specific engine variant and market) Torque Approx: 135-145 Nm (99-107 lb-ft) Fuel System Injection System: Bosch L-Jetronic (M10) / Bosch Motronic (M40) Fuel Type: Unleaded gasoline (91 RON or higher recommended) Cooling System Coolant Type: Ethylene Glycol based coolant (BMW Blue or equivalent, 50/50 mix with distilled water) Lubrication System Oil Type Recommendation: SAE 15W-40 or 20W-50 (check manual for specific API/ACEA ratings) Engine Management Ignition System: Distributorless ignition (M40) or Distributor with Hall sender (M10) 🔧 Transmission Standard Type: 4-speed or 5-speed Manual Transmission Optional Type: 3-speed or 4-speed Automatic Transmission Features Manual Fluid Type: Manual Gearbox Oil (e.g., SAE 75W-90 GL-4) Automatic Fluid Type: ATF Dexron II or equivalent 📐 Dimensions Exterior Body Styles: 2-door Coupe, 4-door Sedan, Convertible Wheelbase Approx: 2570 mm (101.2 in) Length Approx: 4300-4360 mm (169.3-171.7 in) Weights Curb Weight Approx: 1100-1300 kg (2425-2866 lbs) 🛡️ Safety Features Ratings Crash Test Data: Limited official crash test data available for this era, but E30 chassis known for robust construction for its time. Active Features Braking System: Front ventilated discs, rear drums. ABS was optional on some models. Passive Features Seat Belts: Three-point seat belts (front and rear, depending on body style and market). Structural Integrity: Reinforced passenger cell, crumple zones. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette player, often with basic speaker setup. Aftermarket upgrades common. Driver Assistance ABS Availability: Anti-lock Braking System (ABS) was an optional feature, not standard on all 1988 models. Connectivity Connectivity Features: None in the modern sense; focus is on mechanical and basic electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Approximately 7,500 - 10,000 miles (12,000 - 16,000 km) or 12 months, whichever comes first (refer to manual for precise intervals). Air Filter Replacement: Every 15,000 - 30,000 miles (24,000 - 48,000 km) or annually. Spark Plug Replacement: Every 30,000...