🏷️ Basic Information Identification Make: BMW Model: 3 Series Models Covered: 325i, 325xi, 328i, 328xi Model Years Covered: 2006, 2007, 2008, 2009, 2010 Codes Chassis Codes: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) 👋 Introduction Market Position Segment: Premium Compact Executive Sedan/Wagon/Coupe/Convertible Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37, Acura TL. Key Features Driving Dynamics: Renowned for BMW's signature 'Ultimate Driving Machine' characteristics: precise steering, balanced handling, and engaging chassis dynamics. Powertrain Options: Smooth and potent inline-six engines, available with xDrive all-wheel drive for enhanced traction. Design: Classic BMW styling with a focus on driver-centric ergonomics and premium interior materials. 📋 Manual Details Coverage Areas Region Of Origin: North America Specific Coverage: All mechanical, electrical, body, and diagnostic procedures for the specified models and years. Page Count Estimated Pages: Approximately 2500-3500 pages (typical for comprehensive factory-level manuals) Manual Type Type: Complete Workshop Service Repair Manual Purpose: Diagnosis, service, repair, and maintenance. Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, fuel, exhaust, transmission (manual & automatic), drivetrain, cooling, lubrication. Chassis: Suspension (front & rear), steering, brakes (hydraulic, ABS, DSC), wheels, tires. Electrical: Battery, charging system, starter, lighting, instrumentation, body electronics, comfort systems, infotainment wiring, diagnostic connectors. Body: Body panels, doors, windows, seats, HVAC system, interior trim, exterior trim, safety systems (airbags, seatbelts). Diagnostics: Diagnostic trouble codes (DTCs), troubleshooting guides, wiring diagrams, component testing. Procedures Included Maintenance: Routine maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups. Repair: Engine overhaul, transmission rebuilds, brake system repairs, suspension component replacement, electrical component diagnosis and repair. Troubleshooting: Step-by-step diagnostic procedures for common and uncommon faults, circuit tracing. Installation: Component installation and replacement procedures, including torque specifications. Engine Mechanical: Engine assembly/disassembly, cylinder head, pistons, crankshaft, camshafts, timing systems. Engine Management Diagnostics: Fuel injection system diagnosis, ignition system diagnosis, emission control systems, DME (Digital Motor Electronics) troubleshooting. Transmission Overhaul: Detailed steps for manual and automatic transmission removal, disassembly, inspection, repair, and reassembly. Suspension And Steering Repair: Front and rear suspension component replacement (struts, shocks, control arms, bushings), steering rack and pump service. Brake System Repair: Brake pad/rotor replacement, caliper service, ABS/DSC hydraulic unit troubleshooting, brake line replacement. Electrical System Troubleshooting: Wiring diagrams, component testing, diagnosing electrical faults, comfort electronics module (FEM/BDC on later models, relevant modules for E90), DME diagnosis. Body And Interior Repair: Panel replacement, door and window mechanism repair, seat and trim component service, HVAC system diagnostics and repair. Diagnostic Tools: Information on BMW proprietary diagnostic tools (e.g., DIS, ISTA/D) and common OBD-II scanners used for diagnosis. Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY mechanics. Includes component removal, disassembly, inspection, repair, reassembly, and adjustment. 📊 Manual Specifications File Format Searchability: Typically searchable PDF text, allowing for quick information retrieval. Print Quality Quality: High-resolution images, diagrams, and text suitable for printing. Binding Type Format Type: Digital Download (PDF) Paper Type Format Detail: N/A (Digital) ⚙️ Engine Specifications Primary Engine 325I/325Xi (2006-2008): N52B25: 3.0L (2996cc) Naturally Aspirated Inline-6 328I/328Xi (2007-2010): N51B30 (SULEV): 3.0L (2996cc) Naturally Aspirated Inline-6 (California/SULEV markets), N52B30: 3.0L (2996cc) Naturally Aspirated Inline-6 (Standard) Performance 325I/325Xi (2006-2008): Horsepower: 215 hp @ 6500 rpm, Torque: 185 lb-ft @ 2750 rpm 328I/328Xi (2007-2010): Horsepower: 230 hp @ 6500 rpm, Torque: 200 lb-ft @ 2750 rpm Fuel System Type: Sequential Electronic Fuel Injection (SEFI) with Valvetronic and Double VANOS Fuel Type Required: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management ECU Type: MSV70 / MSV80 (Siemens) 🔧 Transmission Standard 325I/328I: 6-speed Manual (GS6-37BZ / GS6-45DZ) Optional All Models: 6-speed Steptronic Automatic (GA6HP19Z) Features Automatic Modes: Manual shifting mode via gear selector and/or paddle shifters (optional). Drivetrain Availability: Rear-Wheel Drive (RWD) for 'i' models, xDrive All-Wheel Drive (AWD) for 'xi' models. 📐 Dimensions Exterior Length: E90 Sedan: ~181.5 inches; E91 Touring: ~180.6 inches; E92 Coupe: ~181.8 inches; E93 Convertible: ~182.2 inches Width: ~71.5 inches Height: E90 Sedan: ~56.7 inches; E91 Touring: ~57.1 inches; E92 Coupe: ~55.9 inches; E93 Convertible: ~56.2 inches Wheelbase Wheelbase: E90/E91: ~108.7 inches; E92/E93: ~108.7 inches Cargo Trunk Volume: E90 Sedan: ~12 cu ft; E91 Touring: ~17.7 cu ft (seats up) / ~50.2 cu ft (seats down) Weights Curb Weight: Varies by body style and drivetrain, typically 3400-3800 lbs. 🛡️ Safety Features Ratings NHTSA Ratings: Generally received high ratings (4-5 stars) in NHTSA crash tests for its generation. Active Features Driver Assistance: Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist. Passive Features Restraint System: Advanced airbag system (front, side-impact, curtain airbags), active head restraints, seatbelt pretensioners. Optional Features Advanced Safety: Adaptive Headlights, Parking Distance Control (PDC), Rain-sensing wipers and automatic headlight control. 💡 Technology Features Infotainment Head Unit: Professional Radio, Business CD, or iDrive (CCC or CIC systems depending on year/options). Connectivity: Bluetooth phone integration, USB audio...