🏷️ Basic Information Identification Make: BMW Model: 733i Year: 1983 Generation Chassis Code: E23 📋 Manual Details Coverage Areas Electrical Troubleshooting: Yes Service Repair: Yes Wiring Diagrams: Yes (implied by 'Electrical Troubleshooting') Component Diagnostics: Yes (implied by 'Electrical Troubleshooting') Manual Type Type: Service and Repair Manual Language Language: English Format Format: Print (implied by description) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder Displacement: 3.2 liters (3210 cc) Bore X Stroke: 89.0 mm x 86.0 mm (3.50 in x 3.39 in) Compression Ratio: 8.0:1 Valvetrain: SOHC (Single Overhead Camshaft) Cylinders: 6 Configuration: Inline Performance Horsepower: 181 hp @ 5500 rpm Torque: 195 lb-ft @ 3500 rpm 0 60 Mph: Approx. 8.5 - 9.5 seconds (depending on transmission and conditions) Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection Fuel Type: Unleaded Premium Gasoline Engine Codes Engine Code: M30B32 🔧 Transmission Standard Transmission Type: 4-Speed Manual Optional Transmission Type: 3-Speed Automatic (e.g., ZF 4HP22) Features Drivetrain: Rear-Wheel Drive (RWD) 📐 Dimensions Exterior Length: 197.0 in (5004 mm) Width: 70.5 in (1791 mm) Height: 55.5 in (1410 mm) Wheelbase: 116.5 in (2960 mm) Front Track: 59.5 in (1511 mm) Rear Track: 59.8 in (1519 mm) Weights Curb Weight: 3,650 lbs (1656 kg) 🛡️ Safety Features Features Seatbelts: 3-point inertia reel seatbelts front, 2-point rear (typical for the era) Headlights: Halogen headlights Brakes: Front: Ventilated Discs, Rear: Discs (typical for 733i) Anti Lock Brakes: Optional (ABS availability varied by market and build date) 🔧 Maintenance Service Intervals Oil Change Interval: Approximately 7,500 miles or 12 months (refer to specific manual for exact recommendations) Coolant Flush Interval: Every 2-3 years or as recommended Fluid Specifications Engine Oil Type: API SG, SAE 15W-40 or 20W-50 (depending on climate, refer to manual) Coolant Type: Ethylene Glycol based coolant (BMW specified or equivalent) Brake Fluid Type: DOT 3 or DOT 4 Transmission Fluid Type Auto: Dexron II (or equivalent) Transmission Fluid Type Manual: GL-4 Gear Oil (e.g., SAE 75W-90) Power Steering Fluid: ATF Dexron II (or equivalent)