🏷️ Basic Information Identification Make: BMW Model: 328i Year: 2009 Codes Chassis Code: E90 (Sedan) / E92 (Coupe) / E93 (Convertible) Engine Code Prefix: N51/N52 👋 Introduction Market Position Segment: Premium Compact Executive Sedan/Coupe/Convertible. Target Audience: Owners seeking to perform DIY maintenance and repairs, independent repair shops, BMW enthusiasts. Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37. Key Features Advantage: Official licensing provides unparalleled accuracy and completeness, covering all aspects of vehicle service. Convenience: Digital format allows for quick access and searchable content, a significant upgrade from traditional printed manuals. Value Proposition: Empowers owners to maintain their vehicle's performance and longevity, potentially saving significant costs on dealership service. 📋 Manual Details Coverage Areas Primary Coverage: 2009 BMW 328i (all body styles: Sedan, Coupe, Convertible) Engine Variants Covered: 3.0L Naturally Aspirated Inline-6 (N51/N52) Transmission Variants Covered: 6-speed Manual (GS6-37BZ), 6-speed Automatic (GA6HP19Z) Page Count Estimated Pages: 2000+ Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Digital Software (likely PDF or proprietary application) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine management, fuel system, ignition system, exhaust system, cooling system, lubrication system. Drivetrain: Manual transmission, automatic transmission, clutch, driveshafts, differentials, axles. Chassis: Suspension (front and rear), steering system, braking system (ABS, DSC), wheels, tires. Electrical: Battery, charging system, starting system, lighting, instrument cluster, body electronics (doors, windows, seats), comfort systems, infotainment, diagnostic systems (OBD-II). Body: Body structure, exterior panels, interior trim, doors, hood, trunk lid, glass, seals. Procedures Included Maintenance: Routine maintenance (oil changes, filter replacements, spark plugs), scheduled service intervals, fluid checks and changes. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, fault finding procedures for all major systems. Repair: Step-by-step repair instructions for components and systems, including disassembly, reassembly, and adjustment. Specifications: Torque specifications, clearances, fluid capacities, electrical diagrams, wiring schematics. Installation: Guidelines for installation of common accessories and replacement parts (where applicable). Technical Depth Depth: Comprehensive, covering everything from basic maintenance to advanced diagnostics and component overhaul. Detail Level: Detailed diagrams, exploded views, torque values, diagnostic procedures, and wiring schematics. Accuracy: Officially licensed, ensuring accuracy and adherence to BMW's repair and maintenance standards. 📊 Manual Specifications File Format Digital Format: Software-based, likely accessible via a computer or tablet. May include searchable PDF capabilities. Print Quality Print Option: Printable pages; quality depends on user's printer, but source material is high-resolution. Binding Type Binding: N/A (Digital Software) Paper Type Paper: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 3.0 Liters (2996 cc) Engine Codes: N51 (SULEV variant), N52 (Standard variant) Performance Horsepower: 230 hp @ 6500 rpm Torque: 200 lb-ft @ 2750 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), VANOS (Variable Valve Timing), Valvetronic (Variable Valve Lift) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management ECU Type: Bosch DME (Digital Motor Electronics) Emission Controls: Dual overhead camshafts (DOHC), 24 valves, variable valve timing and lift, secondary air injection system, catalytic converters. 🔧 Transmission Standard Type: 6-speed Manual Transmission (Getrag GS6-37BZ) Optional Type: 6-speed Automatic Transmission (ZF GA6HP19Z) Features Automatic Features: Steptronic manual shifting mode, adaptive shift logic. Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 or equivalent (refer to manual for exact part number and specification) Automatic Transmission Fluid: ZF LifeguardFluid 6 or equivalent (refer to manual for exact part number and specification) 📐 Dimensions Exterior Length Sedan: 181.8 inches (4618 mm) Width Sedan: 69.9 inches (1776 mm) Height Sedan: 56.7 inches (1440 mm) Wheelbase Sedan: 108.7 inches (2760 mm) Cargo Trunk Capacity Sedan: 15.2 cubic feet (430 liters) Weights Curb Weight Sedan Manual: 3461 lbs (1570 kg) Curb Weight Sedan Automatic: 3516 lbs (1595 kg) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star (2009 model year) NHTSA Front Impact Passenger: 5-Star (2009 model year) IIHS Moderate Overlap Front: Good (Top Safety Pick designation) Active Features Traction Control: Dynamic Stability Control (DSC), Dynamic Traction Control (DTC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist. Passive Features Airbags: Front airbags (driver and passenger), side airbags, head protection system (curtain airbags for front and rear occupants). Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters. 💡 Technology Features Infotainment System Name: iDrive (Professional Navigation System, optional) Features: Radio, CD player, MP3 playback, optional navigation, Bluetooth connectivity for hands-free calling (often via an adapter or integrated module). Driver Assistance Active Safety: Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), optional Adaptive Xenon Headlights. Connectivity Options: Bluetooth hands-free, USB audio interface (later models/packages), satellite radio preparation. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 miles or 1 year, as indicated by the Condition Based Service (CBS) system. Manual will detail specific oil level checks. Air Filter Replacement: Check every 30,000 miles, replace as needed or per CBS. Manual will detail replacement procedure. Cabin...