🏷️ Basic Information Identification Make: BMW Model: 5 Series Generation Chassis Code: E34 Generation Years: 1988-1996 (1989-1995 for North America) Codes Engine Codes Covered: M20B25, M50B25, M50B30, M60B40 👋 Introduction Market Position Vehicle Segment: Executive Sedan / Mid-size Luxury Sedan Target Audience Manual: BMW owners seeking to perform maintenance and repairs themselves, independent repair shops, automotive enthusiasts. Competitive Analysis Competitors E34 Era: Mercedes-Benz W124 E-Class, Audi V8/A8, Lexus LS400, Jaguar XJ Key Features Manual Value Proposition: Saves money on dealership labor costs, provides in-depth knowledge for accurate repairs, empowers owners with diagnostic capabilities. Vehicle Appeal: Reputation for build quality, driving dynamics (handling and ride comfort), refined interiors, potent inline-six and V8 engines. 📋 Manual Details Coverage Areas Models Covered: BMW 525i, 530i, 535i, 540i Model Years Covered: 1989, 1990, 1991, 1992, 1993, 1994, 1995 Page Count Estimated Page Count: Likely extensive, typical for comprehensive factory-style repair manuals (e.g., 1000+ pages in print equivalent) Manual Type Type: Service and Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, pistons, connecting rods, crankshaft, valve train, timing, oil pump, lubrication system Engine Management: Fuel injection (Bosch Motronic), ignition system, sensors, actuators, ECU diagnostics, emission control systems Transmission Manual: Clutch, gearbox overhaul, gear shifting mechanism, driveshafts Transmission Automatic: Automatic transmission overhaul, torque converter, hydraulic control, electronic control module (if applicable) Suspension: Front and rear suspension components, struts, shock absorbers, control arms, bushings, springs, anti-roll bars Brakes: Brake system hydraulics, calipers, rotors, brake pads, ABS (Anti-lock Braking System) operation and diagnostics Steering: Power steering system, steering rack, steering column, alignment specifications Electrical System: Battery, charging system (alternator), starter motor, lighting system, power windows, central locking, climate control electricals Bodywork And Chassis: Body panel removal/installation, door mechanisms, hood, trunk, interior trim, corrosion protection HVAC: Heating, ventilation, and air conditioning system diagnosis and repair, refrigerant handling (with safety precautions) Body Electronics: Instrument cluster, warning lights, SRS (Supplemental Restraint System) - Airbag system (diagnostic and safety precautions) Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement Troubleshooting: Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides Repair: Detailed step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly Diagnostics: Fault code reading (where applicable for the era), sensor testing, electrical circuit testing Installation: Component replacement procedures, e.g., brake caliper replacement, alternator replacement Technical Depth Depth: Comprehensive, covering routine maintenance to major engine and transmission overhauls. Includes detailed diagrams and specifications for professional-level work. Level Of Detail: Factory-level detail, intended for certified technicians and advanced DIYers. 📊 Manual Specifications File Format Quality And Features: PDF format, quality assured, fully printable, searchable text (often) Print Quality Printability: Designed to be fully printable, allowing users to print specific chapters or the entire manual for workshop use. Binding Type Binding Type: Digital (PDF), no physical binding Paper Type Paper Type For Printing: User's choice of printer paper ⚙️ Engine Specifications Primary Engine 525I Engine Code: M50B25 Configuration: 2.5L DOHC Inline-6 Horsepower Approx: 189 hp @ 5900 rpm Torque Approx: 240 Nm (177 lb-ft) @ 4700 rpm Primary Engine 530I Engine Code: M30B30 (early) / M60B30 (late) Configuration: 3.0L SOHC Inline-6 (M30) / 3.0L DOHC V8 (M60) Horsepower Approx M30: 188 hp @ 5800 rpm Torque Approx M30: 265 Nm (195 lb-ft) @ 4000 rpm Horsepower Approx M60: 215 hp @ 5800 rpm Torque Approx M60: 290 Nm (214 lb-ft) @ 4500 rpm Primary Engine 535I Engine Code: M30B35 Configuration: 3.5L SOHC Inline-6 Horsepower Approx: 208 hp @ 5700 rpm Torque Approx: 305 Nm (225 lb-ft) @ 4000 rpm Primary Engine 540I Engine Code: M60B40 Configuration: 4.0L DOHC V8 Horsepower Approx: 282 hp @ 5800 rpm Torque Approx: 400 Nm (295 lb-ft) @ 4500 rpm Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) 🔧 Transmission Standard 525I/535I: 5-speed Manual (Getrag 260/5) 530I (M30): 5-speed Manual (Getrag 260/5) 530I (M60) / 540I: 5-speed Manual (Getrag 260/5 - for early M60 530i) / 6-speed Manual (Getrag S6-370 - rare, for M60 V8) Optional 525I/535I: 4-speed Automatic (ZF 4HP22) 530I (M30): 4-speed Automatic (ZF 4HP22) 530I (M60) / 540I: 5-speed Automatic (ZF 5HP18 for M60 V8) Features Rear Wheel Drive: All models are RWD. Limited slip differential (LSD) was an option. 📐 Dimensions Exterior Wheelbase: Approx. 2760 mm (108.7 in) Length: Approx. 4720 mm (185.8 in) Width: Approx. 1750 mm (68.9 in) Height: Approx. 1410 mm (55.5 in) Weights Curb Weight Approx: 1500-1700 kg (3300-3750 lbs), depending on engine and options 🛡️ Safety Features Ratings Crash Test Era Standards: Tested to 1990s safety standards; specific ratings may vary by testing authority (e.g., NHTSA, Euro NCAP). Active Features ABS: Standard on most models, advanced Bosch ABS system. Traction Control: Optional on some models (ASC or ASC+T). Passive Features Airbags: Driver airbag standard from...