🏷️ Basic Information Identification Make: BMW Model: 325i Chassis Code: E30 Production Years: 1987-1991 Generation Generation Code: E30 Codes Model Codes: E30 325i, E30 325is (coupe) 📋 Manual Details Coverage Areas Repair Maintenance: Comprehensive Rebuilding: Comprehensive Refurbishing: Comprehensive Restoration: Comprehensive Page Count Estimated Pages: Extensive (specific count not provided, but implies comprehensive coverage) Manual Type Type: Service Repair Workshop Manual Format: Download Language Language: English ⚙️ Engine Specifications Primary Engine Engine Code: M20B25 Engine Type: Inline-6, Naturally Aspirated Displacement: 2.5 Liters (2494 cc) Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 8.5:1 or 9.0:1 (depending on market/variant) Performance Horsepower: 170 hp @ 5800 rpm (approx.) Torque: 170 lb-ft @ 4750 rpm (approx.) Engine Layout: Front-engine, Rear-wheel drive Fuel System Fuel Delivery: Bosch Motronic fuel injection Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (optional) Optional Transmission Type: 5-Speed Manual Features Clutch Type: Single dry plate (manual) 📐 Dimensions Exterior Wheelbase: 2570 mm (101.2 in) Length: 4340 mm (170.9 in) Width: 1675 mm (65.9 in) Height: 1380 mm (54.3 in) Weights Curb Weight: Approx. 1330 kg (2930 lbs) 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable for period (NHTSA/IIHS ratings not as comprehensive) Features Seatbelts: 3-point front seatbelts Brakes: Front: Ventilated Discs, Rear: Discs ABS: Anti-lock Braking System (optional on some models/years) Steering: Power assisted rack and pinion Suspension Front: MacPherson struts, lower control arms Suspension Rear: Semi-trailing arms, independent 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (typically 5,000-7,500 miles or 6-12 months) Spark Plug Replacement: Refer to manual Timing Belt Replacement: Refer to manual (critical maintenance item) Fluid Specifications Engine Oil Type: Refer to manual (e.g., SAE 15W-40, 10W-40, 5W-30 depending on climate) Coolant Type: Glysantin G48 or equivalent (blue/green ethylene glycol based) Brake Fluid Type: DOT 3 or DOT 4 Transmission Fluid Type: Refer to manual (ATF for automatic, gear oil for manual)