🏷️ Basic Information Identification Make: BMW Model: 325i Year: 2005 Codes Chassis Code: E90 (for 325i Sedan) / E91 (for 325i Touring) / E92 (for 325i Coupe) / E93 (for 325i Convertible) Engine Code: N52B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon/Convertible Competitors 2005: Audi A4, Mercedes-Benz C-Class, Lexus IS, Acura TL, Infiniti G35 Competitive Analysis Key Strengths Of 325I: Driving dynamics, premium interior, brand prestige, balanced performance Key Features Chassis Platform: BMW E90/E91/E92/E93 platform, a significant redesign from the E46 generation Powertrain Highlight: Introduction of the N52 naturally aspirated inline-6 engine, known for its smooth operation and efficiency Technological Advancements: Improved chassis dynamics, more advanced electronics, iDrive infotainment system (optional) 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Download Page Count Estimated Page Count: Hundreds (typically 2000+ pages for a complete factory manual) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, timing system, lubrication system, cooling system Engine Electrical: Ignition system, fuel injection, sensors, actuators, engine control module (DME) diagnostics and wiring diagrams Transmission Manual: Clutch, gearbox operation, shift mechanisms, internal components, torque specifications Transmission Automatic: Torque converter, valve body, gear sets, planetary gears, mechatronics, electronic control, fluid specifications Drivetrain: Drive shafts, CV joints, differential, rear axle assembly Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, anti-roll bars, alignment specifications Steering: Power steering system, steering rack, tie rods, steering column, hydraulic pump, fluid specifications Brakes: Front and rear brake systems (discs, calipers, pads), ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), parking brake, hydraulic lines, bleeding procedures Electrical System: Battery, alternator, starter, lighting (headlights, taillights, interior), wiring harnesses, fuses, relays, body control module (BCM) Body And Frame: Body panels, doors, hood, trunk, roof, chassis structure, rust repair, collision repair guidelines HVAC: Heating, ventilation, and air conditioning system components, refrigerant handling, climate control module, blower motor, evaporator, condenser Interior: Seats, dashboard, trim panels, airbags, seat belts, power windows, power locks, sound insulation Infotainment And Electronics: Radio, navigation system, instrument cluster, onboard computer, sensors (speed, temperature, etc.) Procedures Included Scheduled Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks and changes, belt inspections and replacements Diagnostic Troubleshooting: Fault code interpretation, systematic diagnosis of engine, transmission, chassis, and electrical issues Component Removal And Installation: Detailed instructions for removing and installing all major and minor vehicle components Rebuild Procedures: Comprehensive instructions for rebuilding engines, transmissions, and other major assemblies Electrical Schematics: Detailed wiring diagrams for all vehicle systems Torque Specifications: Precise torque values for all fasteners and bolts Special Tool Requirements: Identification and usage of specialized tools required for specific repairs Technical Depth Depth Level: Complete factory-level repair and diagnostic information Diagnostics Capability: Advanced diagnostic procedures, including symptom-based troubleshooting and component testing Repair Scope: Covers everything from basic fluid changes to complete engine and transmission overhauls 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text content Print Quality Printability: Designed for printing individual pages or the entire document Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Name: N52B25 Engine Type: Naturally Aspirated Inline 6-cylinder Displacement: 2497 cc (2.5 Liters) Bore X Stroke: 82.0 mm x 78.5 mm Compression Ratio: 10.7:1 Performance Horsepower Hp: 215 hp @ 6500 rpm Torque Lb-Ft: 214 lb-ft @ 2750 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Management ECU Type: Bosch Motronic (specific variant for N52) Valvetrain: Double Overhead Camshafts (DOHC), 4 Valves per Cylinder, VALVETRONIC variable valve lift, VANOS variable valve timing 🔧 Transmission Standard Transmission Type: 6-speed Manual Transmission (e.g., GS6-37BZ) Optional Transmission Type: 6-speed Steptronic Automatic Transmission (e.g., GA6HP-19Z) Features Steptronic Functionality: Driver-selectable manual shifting via gear selector or steering wheel paddles (optional) Fluid Specs Automatic Transmission Fluid: Dexron VI (or equivalent specification, check manual for exact PN) Manual Transmission Fluid: BMW MTF LT-2 (or equivalent specification, check manual for exact PN) 📐 Dimensions Exterior Sedan Length: Approximately 180.6 inches (4587 mm) Sedan Width: Approximately 70.1 inches (1781 mm) Sedan Height: Approximately 56.1 inches (1425 mm) Wheelbase: Approximately 108.7 inches (2760 mm) Cargo Sedan Trunk Volume: Approximately 12.0 cubic feet (340 liters) Weights Curb Weight: Approximately 3373 - 3571 lbs (1530 - 1620 kg), depending on body style and options 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star NHTSA Front Impact Passenger: 5-Star IIHS Moderate Overlap Front: Good Active Features ABS: Standard (Anti-lock Braking System) Dsc: Standard (Dynamic Stability Control) Traction Control: Standard Passive Features Airbags: Frontal airbags for driver and passenger, front side-impact airbags, head protection system (HPS) curtain airbags (front and rear occupants) Seat Belts: 3-point inertia-reel seat belts with pre-tensioners and force limiters 💡 Technology Features Infotainment Infotainment System: BMW Professional Radio...