🏷️ Basic Information Identification Make: BMW Model: 318i Chassis Code: E30 Model Years Covered: 1983-1991 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Target Audience: Enthusiasts, DIY mechanics, and owners seeking in-depth knowledge for maintenance and repair. Competitive Analysis Key Competitors: Mercedes-Benz W201 (190E), Audi 80/90, Volvo 240, Alfa Romeo 75 Key Features Design Philosophy: The E30 generation exemplified BMW's 'Ultimate Driving Machine' philosophy with its balanced chassis, rear-wheel drive, and driver-focused interior. Manual Value Proposition: Provides critical information for maintaining and repairing a classic BMW, enabling owners to preserve its performance and character. 📋 Manual Details Coverage Areas Primary Coverage: Mechanical and electrical systems, body repair, maintenance Engine Coverage: M10, M40 engines Transmission Coverage: Manual and automatic transmissions Body And Chassis Coverage: Body panels, frame, suspension, steering Electrical Coverage: Wiring diagrams, component testing, lighting, ignition Page Count Estimated Pages: Hundreds of pages (exact count not specified in product info, but described as extensive) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, pistons, crankshaft, camshaft, timing, lubrication, cooling Fuel And Emissions: Fuel injection systems (Bosch L-Jetronic/Motronic), fuel pump, injectors, exhaust system, emissions control Ignition System: Ignition coils, distributor, spark plugs, ignition timing Transmission Mechanical: Clutch, gearbox overhaul, gear selection, internal components Drivetrain: Driveshafts, universal joints, differential, axle shafts Suspension System: Front and rear suspension components, struts, shock absorbers, control arms, bushings, springs Steering System: Steering rack, tie rods, power steering pump, steering column Braking System: Brake pads, rotors, calipers, master cylinder, brake lines, ABS (if equipped), parking brake Electrical Systems Detailed: Battery, alternator, starter motor, fuse box, relays, lighting circuits, instrument cluster Body And Interior: Body panel removal and installation, interior trim, seats, door mechanisms, glass Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection Engine Repair Procedures: Head gasket replacement, piston ring replacement, valve adjustments, timing belt/chain replacement Transmission Repair Procedures: Clutch replacement, transmission fluid and filter changes, internal gearbox repairs Suspension And Steering Repair: Component replacement, alignment procedures, power steering system service Brake System Repair: Pad and rotor replacement, caliper service, bleeding procedures, master cylinder replacement Electrical Troubleshooting: Diagnosis of common electrical faults, wiring harness repair, component testing Body And Paint Repair: Dent removal, panel replacement, rust repair techniques, door alignment Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics Technical Depth Depth: Comprehensive: Covers basic maintenance to full engine and transmission rebuilds, electrical diagnostics, and bodywork. Detail Level: Step-by-step instructions with torque specifications, diagnostic flowcharts, and detailed diagrams. 📊 Manual Specifications File Format Quality: High-resolution PDF, ensuring clarity of text and diagrams. Searchability: Likely text-searchable PDF, allowing for quick access to specific information. Print Quality Printability: Designed for easy printing of individual sections or the entire manual. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Quality: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Code 1: M10 (e.g., M10B18) Engine Type 1: Inline 4-cylinder, SOHC Displacement 1: 1.8 Liters (1766 cc) Bore Stroke 1: 89.0 mm x 71.0 mm Compression Ratio 1: 8.8:1 to 10.5:1 (depending on variant) Horsepower 1: Approx. 100-105 hp @ 5800-6000 rpm Torque 1: Approx. 105-110 lb-ft @ 3000-3500 rpm Engine Code 2 Engine Code 2: M40 (e.g., M40B18) Engine Type 2 Engine Type 2: Inline 4-cylinder, DOHC Displacement 2 Displacement 2: 1.8 Liters (1796 cc) Bore Stroke 2 Bore Stroke 2: 86.0 mm x 77.0 mm Compression Ratio 2 Compression Ratio 2: 9.0:1 to 10.0:1 (depending on variant) Horsepower 2 Horsepower 2: Approx. 100-105 hp @ 5500-6000 rpm Torque 2 Torque 2: Approx. 105-110 lb-ft @ 3500-4300 rpm Fuel System Fuel Delivery: Bosch K-Jetronic (CIS) or Motronic electronic fuel injection Fuel Requirements Octane Rating: Unleaded 91-95 RON (91 AKI) recommended 🔧 Transmission Standard Standard Transmission: Getrag 240 5-speed manual Optional Optional Transmission: ZF 4HP22 4-speed automatic Features Clutch Type: Hydraulically actuated single dry plate clutch Fluid Type Manual Fluid: BMW approved manual transmission fluid (e.g., ATF Dexron II or equivalent for older models, later MTF LT-2 may be specified) Automatic Fluid: ZF TE-ML 11A or 11B / ATF Dexron II or III 📐 Dimensions Exterior Length: Approx. 4355-4395 mm (171.5-173.0 in) Width: Approx. 1675-1680 mm (65.9-66.1 in) Height: Approx. 1380 mm (54.3 in) Wheelbase Wheelbase: Approx. 2570 mm (101.2 in) Weights Curb Weight: Approx. 1160-1250 kg (2557-2756 lbs) depending on body style and equipment Gross Vehicle Weight Rating: Approx. 1600-1700 kg (3527-3748 lbs) Cargo Trunk Volume: Approx. 430 Liters (15.2 cu ft) 🛡️ Safety Features Ratings Crash Test Data: No standardized NCAP ratings available for this era, but generally considered robust for its time. Active Features ABS: Optional on some models, standard on later revisions. Passive Features Seatbelts: 3-point inertia-reel seatbelts Headrests: Front and rear headrests Crumple Zones: Designed with front and rear crumple zones for impact...
M10: Robust but can suffer from oil consumption with age. M40: Timing belt failure can cause catastrophic engine damage; rocker arm wear.
Electrical Issues:
Corrosion in connectors, aging wiring insulation, faulty ignition components.
📚 Vehicle History
Brand Heritage
Bmw Legacy:
BMW has a long history of producing sporty, well-engineered sedans and coupes known for their driving dynamics.
Model Evolution
E30 Positioning:
The E30 was BMW's second generation of the 3 Series, building upon the success of the E21. It introduced significant design and engineering updates.
Design Influences:
Designed by Claus Luthe, the E30 featured a more angular and modern design compared to its predecessor, with a focus on aerodynamics and structural rigidity.
Production
Production Years Global:
1982-1994 (E30 platform produced globally)
Manufacturing Locations:
Germany (Dingolfing, Munich), South Africa, Mexico, Thailand