🏷️ Basic Information Identification Make: BMW Model: 525i Production Years: 2003, 2004, 2005, 2006, 2007 Codes Chassis Code: E60 👋 Introduction Market Position Segment: Executive Sedan Bmw Positioning: The E60 5 Series represented BMW's commitment to advanced technology, driving dynamics, and luxury in the mid-size executive segment. Competitive Analysis Key Competitors: Mercedes-Benz E-Class, Audi A6, Lexus GS, Cadillac STS, Jaguar S-Type Key Features Driving Dynamics: Renowned for its balanced chassis, precise steering, and engaging handling, characteristic of BMW's 'Ultimate Driving Machine' ethos. Technology Introduction: Introduced advanced features like iDrive infotainment system, Active Steering, and adaptive headlights (optional). Powertrain Offering: Focus on smooth, powerful inline-6 engines and advanced transmissions, prioritizing refined performance. 📋 Manual Details Coverage Areas Primary Coverage: Mechanical and Electrical Systems, Bodywork, Maintenance, Diagnostics, Repair Engine Coverage: M54B25 (2.5L Inline-6) Transmission Coverage: 5-speed manual (S5D 250G), 6-speed manual (GS6-37BZ), 6-speed automatic (GM 5L40-E) Page Count Estimated Page Count: Over 2000 pages (typical for comprehensive workshop manuals) Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, crankshaft, pistons, connecting rods, timing system (VANOS), lubrication system, cooling system Engine Management: Fuel injection (DME), ignition system, emissions control, engine sensors (crankshaft position, camshaft position, MAF, O2 sensors), DME control unit Transmission Manual: Clutch, gearbox internals, shift mechanism, torque specifications Transmission Automatic: Valve body, torque converter, electronic control unit (TCU), fluid type and capacity, solenoids Drivetrain: Driveshafts, differential, rear axle, wheel bearings Suspension: Front suspension (double-wishbone), rear suspension (multi-link), shock absorbers, springs, control arms, bushings, alignment specifications Steering: Power steering system (hydraulic), steering rack, steering column, steering angle sensor Brakes: Front and rear brake components (discs, pads, calipers), ABS system, DSC (Dynamic Stability Control), brake fluid specifications, bleeding procedures Electrical System: Battery, alternator, starter motor, fuses, relays, wiring diagrams, CAN bus communication Body And Interior: Body panel removal/installation, door mechanisms, seating systems, dashboard components, HVAC system (climate control), lighting (headlights, taillights, interior) Comfort Systems: Power windows, power locks, sunroof, central locking, keyless entry, seat adjustment mechanisms Safety Systems Airbags: Airbag system components, SRS control unit, occupant sensors, deployment procedures Procedures Included Routine Maintenance: Oil and filter changes, air filter replacement, spark plug replacement, brake fluid flush, coolant flush Major Repairs: Engine overhauls, transmission rebuilds, suspension component replacement, steering rack replacement, brake caliper rebuilding Diagnostics: Troubleshooting guides, fault code interpretation (DME, ABS, TCU, SRS), use of diagnostic tools (e.g., DIS, ISTA/P) Electrical Diagnostics: Tracing electrical faults, testing sensors and actuators, interpreting wiring diagrams Component Testing: Testing fuel injectors, ignition coils, mass airflow sensor, etc. Calibration And Programming: Basic calibration procedures for certain modules (e.g., steering angle sensor, idle control) Technical Depth Depth Level: Comprehensive: Covers everything from routine maintenance to complete engine and transmission overhauls, including detailed electrical schematics and diagnostic procedures. Target Audience: Professional Automotive Technicians and Serious DIY Mechanics 📊 Manual Specifications File Format Digital Format: PDF Print Quality Searchability: Text-searchable PDF for easy navigation and information retrieval Image Resolution: High-resolution images, diagrams, and schematics Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Code: M54B25 Configuration: 2.5L Inline 6-cylinder, Naturally Aspirated Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 10.2:1 Valvetrain: DOHC, 24 valves, Double VANOS (variable valve timing) Performance Horsepower: 184 hp @ 6000 rpm Torque: 230 Nm (170 lb-ft) @ 3500 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (SMPI) Fuel Type: Premium Unleaded (91+ octane) Engine Oil Recommended Oil Viscosity: SAE 5W-30 Synthetic Oil Capacity: 6.5 liters (6.9 US quarts) 🔧 Transmission Standard Type: 6-speed manual transmission (GS6-37BZ) Optional Type: 6-speed automatic transmission (GM 5L40-E) Features Automatic Transmission Features: Steptronic (manual shifting mode), adaptive shift logic Fluid Specifications Automatic Transmission Fluid: Dexron VI (or equivalent approved fluid) Fluid Capacities Automatic Transmission Fluid Capacity: Approximately 9.7 liters (10.3 US quarts) total capacity, ~4.5 liters (4.8 US quarts) for drain and fill. 📐 Dimensions Exterior Length: 4841 mm (190.6 in) Width: 1846 mm (72.7 in) Height: 1468 mm (57.8 in) Wheelbase: 2970 mm (116.9 in) Weights Curb Weight: Approximately 1600-1650 kg (3527-3638 lbs) depending on configuration Gross Vehicle Weight Rating: Approximately 2150 kg (4740 lbs) Cargo Trunk Capacity: 520 liters (18.3 cu ft) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver and Passenger) NHTSA Side Impact: 4-Star (Front Occupant), 5-Star (Rear Occupant) IIHS Top Safety Pick: Yes (for models with optional side airbags) Active Features Stability Control: Dynamic Stability Control (DSC) standard Traction Control: Automatic Stability Control and Traction (ASC+T) standard Antilock Brakes: Anti-lock Braking System (ABS) standard Steering Assist: Hydraulic power steering, optional Active Steering (variable ratio) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags, available head protection airbags (curtain airbags) Seatbelts: Pretensioning front seat belts with load limiters, three-point rear seat belts Head Restraints:...