🏷️ Basic Information Identification Make: BMW Model: M3 Chassis Code: E30 Generation: First Generation E30 M3 Codes Engine Code: S14 👋 Introduction Market Position Target Audience: BMW E30 M3 owners, mechanics, and restorers Competitive Analysis Advantage: Official factory documentation provides unparalleled accuracy and completeness compared to aftermarket manuals. Key Features Completeness: Covers 'all the repair procedures you will ever need'. Origin: Official BMW factory service manual. Delivery: Instant digital download, no shipping costs. 📋 Manual Details Coverage Areas Primary Coverage: Repair and service procedures for the BMW E30 M3 Page Count Estimated Page Count: Extensive (actual number not specified, but implied to be comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English (assumed based on product description and common availability of BMW service manuals) Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Engine Electrical, Fuel System, Fuel Supply System, Cooling System, Exhaust System, Clutch, Manual Transmission, Shifter Mechanism, Drive Shaft Chassis: Front Axle, Steering, Rear Axle, Brakes, Pedals, Wheels and Tires Body And Interior: Body, Body Equipment, Seats, Special Roofs, Heating and Air Conditioning Electrical: General Electrical System, Instruments, Lights, Radio and Special Equipment, Equipment and Accessories for Body Procedures Included Maintenance: Routine maintenance, fluid changes, inspections Repair: Component repair, system diagnostics, overhauls Troubleshooting: Diagnostic procedures, fault finding Technical Depth Depth: Comprehensive, intended for professional mechanics and advanced DIY enthusiasts 📊 Manual Specifications File Format Digital Format: PDF Reader Requirement: Any PDF reader Print Quality Digital Quality: High resolution, suitable for printing (assumed) Binding Type Binding: Not applicable (digital delivery) Paper Type Paper: Not applicable (digital delivery) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 4-Cylinder Engine Displacement: 2.3 Liters (2302 cc) Engine Code: S14B23 Performance Horsepower Eu: 195 hp (145 kW) at 6,750 rpm (for European spec with catalytic converter) Horsepower Us Cat: 192 hp (143 kW) at 6,750 rpm (for US spec with catalytic converter) Horsepower Us No Cat: 200 hp (149 kW) at 6,750 rpm (for US spec without catalytic converter, rare) Torque Eu: 170 lb-ft (230 Nm) at 4,750 rpm (for European spec with catalytic converter) Torque Us: 170 lb-ft (230 Nm) at 4,750 rpm (for US spec) Fuel System Fuel Injection: Bosch Motronic (various versions depending on market and emissions) Fuel Type: Unleaded Premium Gasoline (91+ Octane) Engine Details Block Material: Cast Iron Head Material: Aluminum Alloy Bore X Stroke: 91.0 mm x 87.0 mm Compression Ratio: 10.3:1 Redline: 7,200 RPM Timing System: Dual Overhead Camshafts (DOHC), 4 valves per cylinder, Chain-driven 🔧 Transmission Standard Type: Getrag 265 (5-speed close-ratio manual) Gear Ratios: 1st: 3.72, 2nd: 2.40, 3rd: 1.71, 4th: 1.24, 5th: 1.00, Reverse: 3.72 (typical ratios, can vary slightly) Features Differential: Limited Slip Differential (LSD) standard Fluid Transmission Fluid Type: BMW recommends specific MTF (Manual Transmission Fluid), e.g., BMW MTF LT-2 or equivalent SAE 75W-80/75W-90 GL-4 Transmission Fluid Capacity: Approx. 1.5 - 1.8 liters 📐 Dimensions Exterior Length: 4,241 mm (167.0 in) Width: 1,700 mm (66.9 in) Height: 1,370 mm (53.9 in) Wheelbase: 2,565 mm (101.0 in) Weights Curb Weight: Approx. 1,200 kg (2,646 lbs) Gross Vehicle Weight Rating: Approx. 1,700 kg (3,748 lbs) Wheels Tires Wheel Size Standard: 7J x 15 ET20 (front and rear) Tire Size Standard: 205/50 VR 15 Bolt Pattern: 5 x 120 mm 🛡️ Safety Features Ratings Crash Test Results: While specific official ratings from modern agencies like NHTSA or Euro NCAP for the E30 M3 are not readily available, the E30 chassis generally performed well for its era, with a robust structure. Active Features Brakes: Anti-lock Braking System (ABS) standard Suspension: Independent front and rear suspension for improved handling and stability Passive Features Airbags: Driver airbag (optional or standard depending on late-model production year/market) Seatbelts: 3-point inertia-reel seatbelts Body Structure: Reinforced chassis and safety cage design 💡 Technology Features Infotainment Audio System: Factory fitted BMW Bavaria C Business or similar cassette players; provision for CD changers on later models. Driver Assistance ABS: Standard Anti-lock Braking System (ABS). Connectivity Early Features: Limited by era; focus on core driving dynamics rather than electronic aids beyond ABS. 🔧 Maintenance Service Intervals Oil Change: Every 5,000 - 7,500 miles (8,000 - 12,000 km) or annually, whichever comes first (BMW recommended typical interval). Filter Replacement: Oil filter with every oil change. Fuel filter every 20,000-30,000 miles (30,000-50,000 km). Air filter as needed based on inspection. Spark Plugs: Replace every 20,000-30,000 miles (30,000-50,000 km). Fluid Specifications Engine Oil Type: API SG or higher, SAE 5W-30 or 10W-40 (BMW recommended, consult manual for specific approvals like BMW LL-98). Engine Oil Capacity: Approx. 5.0 liters (5.3 US quarts) with filter. Coolant Type: BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol-based coolant with corrosion inhibitors. Coolant Capacity: Approx. 7.5 liters (7.9 US quarts). Brake Fluid Type: DOT 4 (non-silicone based). Known Issues Engine Related: Eccentric shaft wear (in early S14s),...