🏷️ Basic Information Identification Make: BMW Model: 325 / 325e Generation: E30 Production Years Covered: 1984, 1985, 1986, 1987, 1988, 1989, 1990 Codes Chassis Code: E30 👋 Introduction Market Position Vehicle Segment: Compact Executive Sedan/Coupe/Convertible (E30 platform) Target Audience: Enthusiasts, DIY mechanics, and professional workshops servicing BMW E30 models. Competitive Analysis Key Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Series. Key Features Bmw Brand Philosophy: Focus on driving dynamics ('The Ultimate Driving Machine'), build quality, and sophisticated engineering. E30 Platform Significance: Considered a benchmark for sports sedan handling and performance in its era, establishing BMW's reputation for driver engagement. 📋 Manual Details Coverage Areas Manual Coverage Scope: Comprehensive service, repair, and diagnostic information for BMW 325 and 325e E30 models. Page Count Estimated Page Count: 600+ Manual Type Type: Service and Repair Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: M20B27 inline-6 engine (325e) and M20B25 inline-6 engine (325) including fuel injection, ignition, cooling, lubrication, exhaust, and emissions. Transmission: Getrag 260 5-speed manual and ZF 4HP22 4-speed automatic transmissions. Includes shift mechanisms, clutch operation, and torque converter. Drivetrain: Rear-wheel drive system, driveshaft, universal joints, CV joints, differential, and axle shafts. Suspension: Front MacPherson struts, rear semi-trailing arms, springs, shock absorbers, control arms, sway bars, bushings, and wheel bearings. Brakes: Front and rear disc brakes (vented front), brake hydraulics, master cylinder, calipers, brake lines, parking brake system. Steering: Rack and pinion steering system, power steering pump, steering rack, steering column, tie rod ends. Electrical: Starting and charging systems (alternator, starter), battery, lighting system, horn, wipers, power windows, mirrors, central locking, and fuse/relay box. Fuel System: Bosch L-Jetronic (325e) and Motronic (325) fuel injection systems, fuel pump, fuel filter, fuel injectors, fuel pressure regulator, fuel tank. Cooling System: Radiator, coolant pump, thermostat, hoses, fan (mechanical/electric), and heater core. Exhaust System: Exhaust manifolds, catalytic converter (on later models), mufflers, and exhaust piping. Climate Control: HVAC system, blower motor, evaporator, condenser, refrigerant system, and controls. Body And Interior: Body panel removal and installation, door mechanisms, hood, trunk, bumpers, interior trim, seats, and dashboard. Procedures Included Scheduled Maintenance: Detailed steps for routine maintenance, including oil changes, filter replacements, spark plug replacement, belt inspection and replacement, and fluid checks. Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, and step-by-step procedures for identifying and resolving common issues. Repair Procedures: Comprehensive instructions for component removal, disassembly, repair, reassembly, and installation for all major vehicle systems. Engine Overhaul: Detailed procedures for engine rebuilding, including cylinder head removal, piston and connecting rod installation, crankshaft and bearing replacement, and camshaft timing. Transmission Rebuild: Instructions for manual and automatic transmission disassembly, inspection, component replacement, and reassembly. Torque specifications for critical fasteners. Electrical Diagnosis: Wiring diagrams, component testing procedures, and troubleshooting for electrical faults. Use of multimeters and oscilloscopes discussed. Fuel Injection Tuning: Diagnostic procedures for fuel injection systems, including injector testing, fuel pressure checks, and sensor calibration. Idle speed adjustment. Suspension And Steering Alignment: Specifications for wheel alignment (camber, caster, toe), adjustment procedures, and replacement of suspension components. Brake Service: Brake pad and rotor replacement, caliper service, brake bleeding procedures, and parking brake adjustment. Body And Trim Repair: Procedures for body panel alignment, dent repair, glass replacement, and interior trim fitting. Technical Depth Level Of Detail: Highly detailed, covering everything from basic maintenance to complex component overhauls and diagnostics. Suitable for professional mechanics and experienced DIY enthusiasts. Diagnostic Tools Required: Specifies common diagnostic tools, including multimeters, socket sets, torque wrenches, specialized fuel system testers, and ignition timing tools. Technical Drawings And Diagrams: Includes exploded views of components, detailed illustrations of procedures, and comprehensive electrical wiring diagrams for all model variants. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick access to information. Printability: Printable pages for on-the-go reference. Print Quality Image Resolution: High-resolution scans ensuring clarity of diagrams and text. Binding Type Binding: N/A (Digital Product) Paper Type Paper Quality: N/A (Digital Product) ⚙️ Engine Specifications Primary Engine 325E Engine Code: M20B27 325E Engine Type: Inline 6-cylinder, SOHC 325E Displacement: 2.7 Liters (2693 cc) 325E Bore X Stroke: 84.0 mm x 81.0 mm 325E Compression Ratio: 8.5:1 (early models), 9.0:1 (later models) 325 Engine Code: M20B25 325 Engine Type: Inline 6-cylinder, SOHC 325 Displacement: 2.5 Liters (2494 cc) 325 Bore X Stroke: 84.0 mm x 75.0 mm 325 Compression Ratio: 9.4:1 Performance 325E Horsepower: 121 hp @ 4800 rpm (US Spec), 125 hp @ 4700 rpm (Euro Spec) 325E Torque: 170 lb-ft @ 3250 rpm (US Spec), 177 lb-ft @ 3000 rpm (Euro Spec) 325 Horsepower: 168 hp @ 5800 rpm (US Spec), 170 hp @ 5900 rpm (Euro Spec) 325 Torque: 164 lb-ft @ 4500 rpm (US Spec), 167 lb-ft @ 4300 rpm (Euro Spec) Fuel System 325E Fuel Injection: Bosch L-Jetronic (early), Bosch Motronic (later models) 325...