🏷️ Basic Information Identification Make: BMW Model: 525i Year: 1994 Codes Chassis Code: E34 Engine Code Family: M50 👋 Introduction Market Position Segment: Mid-size Luxury Sedan Competitors: Mercedes-Benz W124 E-Class, Audi V8 Quattro, Lexus LS400 Key Features Driving Dynamics: Renowned for balanced handling and driver engagement Build Quality: Exceptional fit and finish, characteristic of BMW engineering Engine Performance: Smooth and powerful inline-six engine 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive Service and Repair Page Count Estimated Pages: Over 1500 Manual Type Type: Software-based Service & Repair Manual Language Language: English Format Format: Digital Software (likely CD-ROM or downloadable) 📖 Manual Coverage Systems Covered Engine Mechanical: Yes (including M50B25 engine specifics) Engine Management: Yes (DME, ignition, fuel injection) Transmission Manual: Yes (S5D 250G gearbox) Transmission Automatic: Yes (e.g., GM 4L30-E variant) Suspension Front: Yes (MacPherson strut, multi-link) Suspension Rear: Yes (Semi-trailing arm, independent) Brakes Front: Yes (Ventilated discs, ABS) Brakes Rear: Yes (Solid discs, ABS) Steering: Yes (Hydraulic power steering) Electrical System: Yes (Wiring diagrams, components) Body And Chassis: Yes (Body panels, structure, trim) HVAC: Yes (Climate control system) Interior: Yes (Trim, seats, controls) Safety Systems: Yes (Airbags, seatbelts) Procedures Included Routine Maintenance: Yes (Oil changes, filter replacements, inspections) Diagnostic Troubleshooting: Yes (Fault codes, symptom analysis) Engine Repair: Yes (Head gasket, timing chain, piston rings) Transmission Repair: Yes (Clutch replacement, automatic transmission service) Suspension Repair: Yes (Bushings, ball joints, shock absorbers) Brake System Repair: Yes (Pad/rotor replacement, caliper overhaul, ABS bleeding) Electrical Component Replacement: Yes (Alternator, starter, sensors) Bodywork Repair: Yes (Panel replacement, dent repair) HVAC System Repair: Yes (Compressor, evaporator, blower motor) Fuel System Service: Yes (Injector cleaning, fuel pump replacement) Cooling System Service: Yes (Radiator, water pump, thermostat) Exhaust System Repair: Yes (Muffler, catalytic converter, pipes) Wheel Alignment: Yes (Specifications provided) Tire Service: Yes (Rotation, balancing) Technical Depth Depth: Factory-level diagnostic and repair procedures Data Detail: Torque specifications, clearances, diagnostic charts Diagrams: Detailed exploded views and wiring schematics 📊 Manual Specifications File Format File Type: Proprietary software/digital format Print Quality Printability: High-resolution, suitable for printing sections Binding Type Binding: N/A (Software format) Paper Type Paper Quality: N/A (Software format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-Cylinder, DOHC, 24-Valve Engine Code: M50B25 Displacement: 2494 cc (2.5 Liters) Bore X Stroke: 84.0 mm x 90.0 mm Performance Horsepower: 189 hp @ 5900 rpm Torque: 245 Nm (181 lb-ft) @ 4200 rpm Fuel System Fuel Injection: Bosch Motronic M3.3 (Sequential Multi-Point Injection) Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Internals Valvetrain: Double Overhead Camshafts (DOHC), 4 valves per cylinder Engine Block Material: Aluminum Alloy Cylinder Head Material: Aluminum Alloy Ignition System Ignition Type: Distributorless Ignition System (DIS) with individual coils 🔧 Transmission Standard Type: 5-Speed Manual (Getrag S5D 250G) Optional Type: 4-Speed Automatic (ZF 4HP22 EH or GM 4L30-E variant) Features Manual Clutch: Hydraulic actuation Automatic Features: Electronic control, Sport/Economy modes 📐 Dimensions Exterior Length: 4719 mm (185.8 in) Width: 1751 mm (68.9 in) Height: 1381 mm (54.4 in) Wheelbase: 2761 mm (108.7 in) Weights Curb Weight Manual: Approx. 1570 kg (3461 lbs) Curb Weight Automatic: Approx. 1590 kg (3505 lbs) 🛡️ Safety Features Ratings NHTSA Side Impact: 4/5 Stars (Driver), 4/5 Stars (Passenger) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional ASC (Automatic Stability Control) on some models Passive Features Airbags: Driver's airbag standard, passenger airbag optional/later addition Seatbelts: Front pretensioners 💡 Technology Features Infotainment Audio System: BMW Business or Professional CD/Cassette systems, optional Hi-Fi audio Driver Assistance Cruise Control: Standard Connectivity Obc: On-Board Computer for trip data, fuel economy, system checks 🔧 Maintenance Service Intervals Oil Change: Every 7,500 - 10,000 miles (or annually), depending on driving conditions Spark Plugs: Every 30,000 - 60,000 miles (depending on plug type, e.g., platinum) Coolant Flush: Every 2 years or 30,000 miles Fluid Specifications Engine Oil Type: API SJ/SL or ACEA A2/A3, SAE 0W-30, 5W-30, 5W-40, 10W-40 (check owner's manual/manual for exact viscosity based on temperature) Engine Oil Capacity: Approx. 6.5 liters (6.9 US quarts) with filter change Coolant Type: BMW Blue Long-Life Coolant (G48 or similar Ethylene Glycol based) Automatic Transmission Fluid: Dexron III or equivalent (check specific ZF/GM fluid spec) Manual Transmission Fluid: BMW MTF LT-2 or equivalent SAE 75W-90 (API GL-4 or GL-5) Power Steering Fluid: Pentosin CHF 11S or BMW approved equivalent Brake Fluid: DOT 4 Known Issues Cooling System: Plastic coolant expansion tank can crack, water pump seal failures Oil Leaks: Valve cover gasket, oil pan gasket, rear main seal Suspension Components: Worn control arm bushings, tie rod ends, rear shock mounts Electrical Issues: Faulty ABS sensors, weak OBC (On-Board Computer) display pixels, aging wiring harness HVAC: Blend door actuator failures, blower motor resistor issues Filter Part Numbers Oil Filter: Mann-Filter HU 817 or equivalent Air Filter: Mann-Filter C 35 197/2 or equivalent Cabin Filter: N/A for this model year (pre-cabin...