🏷️ Basic Information Identification Make: BMW Model: 3 Series Body Style: Convertible Model Designation: E30 Engine Variant: 325i / 325is / 325i Convertible Codes Chassis Code: E30 👋 Introduction Market Position Segment: Compact Luxury Sports Sedan/Convertible Target Audience: Enthusiasts, DIY mechanics, professional repair shops. Competitive Analysis Competitors Era: 1980s German luxury performance vehicles, including Mercedes-Benz 190E, Audi 80/90, and other premium European and American marques. Key Features Driving Dynamics: Renowned for its balanced handling, rear-wheel-drive platform, and engaging driving experience. Convertible Specific: The E30 convertible (often designated as E30/2C) offered a premium open-top experience with a well-engineered soft-top and reinforced chassis for its time. Engine Philosophy: Inline-six cylinder engines known for their smooth power delivery and durability. 📋 Manual Details Coverage Areas Covered Years: 1984, 1985, 1986, 1987, 1988, 1989, 1990 Page Count Total Pages: 550 Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF (Digital) Delivery: Instant Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul procedures, component identification, torque specifications, timing belt/chain replacement, lubrication, cooling system, fuel delivery system (including injection), exhaust system. Engine Electrical: Ignition system, ECU diagnosis, sensor testing, starter, alternator, wiring diagrams for engine management. Transmission Manual: Gearbox disassembly, assembly, clutch operation, shift linkage, fluid specifications. Transmission Automatic: Automatic transmission operation, control, maintenance, fluid types, torque converter. Drivetrain: Driveshaft, universal joints, differential, axle shafts, wheel bearings. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment specifications. Steering: Power steering system, steering rack, tie rods, steering column, alignment procedures. Brakes: Hydraulic system, brake lines, master cylinder, brake calipers, pads, rotors, parking brake, ABS system (if applicable). Electrical System: Battery, charging system, lighting, wipers, horn, power windows, central locking, instrument cluster, fuse box diagrams, wiring schematics. Body And Chassis: Body panel removal/installation, door mechanisms, convertible top operation and repair, interior trim, chassis components, rust prevention and repair. Heating Ventilation Air Conditioning: HVAC system components, refrigerant handling, blower motor, climate control operation. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid level checks and top-offs, brake inspections, tire rotations. Troubleshooting: Diagnostic procedures for common and uncommon issues across all major systems, symptom-based troubleshooting guides. Major Repairs: Engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs, electrical component diagnosis and replacement. Component Removal Installation: Detailed step-by-step instructions for removing and reinstalling virtually every major and minor component. Specifications Data: Torque values, clearances, fluid capacities, electrical resistance, diagnostic readings. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes Print Quality Quality: High-resolution scans, clear diagrams and illustrations. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M20B25 Engine Type: Inline 6-cylinder, SOHC (Single Overhead Cam) Displacement: 2.5 Liters (2494 cc) Performance Horsepower Est: 168-171 hp @ 5800-6000 rpm (depending on market and specific variant) Torque Est: 164-167 lb-ft @ 4000-4300 rpm (depending on market and specific variant) Fuel System Fuel Injection: Bosch Motronic electronic fuel injection (EFI) Fuel Type: Unleaded gasoline (premium octane recommended) Ignition System Ignition Type: Distributorless ignition system (DIS) or distributor-based ignition, depending on specific model year and region. 🔧 Transmission Standard Transmission Type Std: Getrag 260 5-speed manual transmission Optional Transmission Type Opt: ZF 4HP22 4-speed automatic transmission Features Clutch Type: Hydraulically actuated single dry plate clutch Differential Type: Limited-slip differential (LSD) often available as an option or standard on M-Sport variants. 📐 Dimensions Exterior Length Est: 4340 mm (170.9 in) Width Est: 1675 mm (65.9 in) Height Est: 1370 mm (53.9 in) Wheelbase Est: 2565 mm (100.9 in) Weights Curb Weight Est: 1350 - 1450 kg (2976 - 3197 lbs), varying by transmission and options. Cargo Trunk Volume Est: Approximately 280-300 liters (10-11 cu ft), with convertible top down reducing usable space. 🛡️ Safety Features Ratings Crash Test Era: No standardized crash ratings comparable to modern NCAP or IIHS tests exist for this era, but BMW vehicles of this period were generally built with robust safety structures. Active Features ABS: Anti-lock Braking System (ABS) was often optional or standard on higher trims. Passive Features Seatbelts: Three-point inertia-reel seatbelts (front and rear). Body Structure: Reinforced A-pillars and chassis for convertible safety, integrated roll-over protection system (pop-up hoops often found in later E30 convertible models or as aftermarket additions). 💡 Technology Features Infotainment Radio: Factory-installed AM/FM stereo with cassette player, often with premium sound system options. Climate Control: Manual or optional automatic climate control systems. Driver Assistance Cruise Control: Optional cruise control system. Connectivity Connectivity Era: Limited to basic automotive electronics of the period; no modern Bluetooth or USB connectivity from the factory. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles (12,000-16,000 km) or annually, depending on driving...