🏷️ Basic Information Identification Make: BMW Model: M3 Chassis Code: E30 Production Years: 1986-1992 Codes Model Code: M3 📋 Manual Details Coverage Areas Engine: All E30 M3 engines Transmission: All E30 M3 transmissions Chassis: All E30 M3 chassis components Body: All E30 M3 body and interior Electrical: All E30 M3 electrical systems Maintenance: Scheduled maintenance, inspections, and adjustments Troubleshooting: Diagnosis and repair procedures for common issues Specifications: Torque values, clearances, fluid capacities Page Count Estimated Pages: Likely 500+ Manual Type Type: Full Service and Repair Manual Source: Professional Technical Manual Language Language: English ⚙️ Engine Specifications Primary Engine Engine Code: S14 Engine Type: Naturally Aspirated Inline 4-Cylinder Displacement: 2.3 Liters (2302 cc) Bore: 91 mm Stroke: 84 mm Compression Ratio: 10.5:1 Performance Horsepower: 192 hp @ 6900 rpm (European spec), 192 hp @ 6900 rpm (US spec) Torque: 170 lb-ft @ 4900 rpm (European spec), 170 lb-ft @ 4900 rpm (US spec) Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection Fuel Type: Unleaded Premium Gasoline Engine Management Ignition System: Distributorless Electronic Ignition 🔧 Transmission Standard Transmission Type: 5-Speed Manual Gear Ratios: Refer to manual for specific ratios Optional Optional Transmission: None available Features Differential: Limited Slip Differential (LSD) standard 📐 Dimensions Exterior Length: 4340 mm (170.9 in) Width: 1680 mm (66.1 in) Height: 1370 mm (53.9 in) Wheelbase: 2565 mm (101.0 in) Front Track: 1430 mm (56.3 in) Rear Track: 1430 mm (56.3 in) Weights Curb Weight: 1170 kg (2580 lbs) Gross Vehicle Weight Rating: Refer to vehicle specific plate 🛡️ Safety Features Ratings Crash Test Ratings: NHTSA/IIHS ratings for this era are limited and may not be directly comparable to modern standards. Features Brakes: Front ventilated discs, Rear solid discs; ABS standard Airbags: Driver airbag not standard on all models/years; passenger airbag not available. Seatbelts: 3-point front seatbelts, 2-point rear seatbelts Headlights: Halogen headlights 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific interval (typically 5,000-7,500 miles) Spark Plugs: Refer to manual for replacement interval Timing Belt: Engine does not use a timing belt; uses a timing chain. Fluid Specifications Engine Oil Type: Refer to manual for viscosity grade (e.g., 20W-50 or 15W-50) Engine Oil Capacity: 5.5 Liters (5.8 US Quarts) Coolant Type: BMW Blue Antifreeze/Coolant Coolant Capacity: 8.0 Liters (8.5 US Quarts) Brake Fluid Type: DOT 4 Transmission Fluid Type: Refer to manual for specific ATF or gear oil grade Differential Fluid Type: Refer to manual for specific gear oil grade