🏷️ Basic Information Identification Make: BMW Model: 3 Series Touring Model Variant: 328i Year: 2011 Body Style: Sports Wagon (Touring) Codes Chassis Code: E91 👋 Introduction Market Position Segment: Premium compact executive wagon (E-segment). Target Audience: Individuals and families seeking a blend of sporty driving dynamics, practicality, and luxury typically associated with BMW. Competitive Analysis Key Competitors: Audi A4 Avant, Mercedes-Benz C-Class Wagon, Volvo V50/V60, Acura TSX Sport Wagon. Key Features Driving Dynamics: Renowned BMW 'Ultimate Driving Machine' characteristics, emphasizing rear-wheel drive bias (though xDrive AWD was optional). Practicality: Versatile cargo space with a hatchback design, split-folding rear seats, offering greater utility than a sedan. Luxury Appointments: High-quality interior materials, ergonomic design, and advanced technology features for its class. 📋 Manual Details Coverage Areas Regions Covered: Primarily North American market (USA/Canada), but general operational and maintenance information is applicable globally. Trim Levels Covered: All trim levels equipped with the N51 or N52 engine variants for the 328i designation in the E91 chassis for 2011. Page Count Estimated Page Count: Approximately 350-400 pages (typical for a BMW owner's manual of this era). Manual Type Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Powertrain: Engine operation, lubrication, cooling, fuel and exhaust systems. Transmission operation, maintenance. Chassis: Steering, suspension, braking system (including ABS, DSC), wheels and tires. Electrical System: Battery, lighting (interior/exterior), wipers, horn, fuses, vehicle power management. Body And Interior: Doors, windows, seats, cargo area, interior controls, keys and remote controls, anti-theft system. Infotainment And Climate: Radio, CD player, navigation (if equipped), climate control system (manual/automatic), power outlets. Procedures Included Routine Maintenance: Checking and topping up fluids (oil, coolant, washer fluid), tire pressure checks, bulb replacement, wiper blade replacement. Operation And Controls: Starting and driving, parking brake, cruise control, intelligent cruise control (if equipped), seat and mirror adjustment, safety belt usage. Troubleshooting: Understanding warning indicators and messages, basic troubleshooting for common issues. Technical Depth Depth: Comprehensive user-level information for operation, care, and basic maintenance. Does not include in-depth diagnostic procedures or complete repair instructions found in a service manual. 📊 Manual Specifications File Format Type: PDF (Portable Document Format) Searchability: Likely searchable text if converted from original digital files, allowing for easy keyword lookup. Print Quality Quality: High resolution, suitable for digital viewing and printing. Text and diagrams should be clear. Binding Type Type: N/A (Digital PDF) Paper Type Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: N51 (Valvetronic with Double VANOS) or N52 (Aluminum/Magnesium alloy, Valvetronic with Double VANOS) Configuration: Inline 6-cylinder Displacement: 3.0 Liters (2996 cc) Performance Horsepower: Approx. 230-255 hp @ 6600 rpm (depending on specific N51/N52 variant and market tuning). Torque: Approx. 200-214 lb-ft @ 2750-3000 rpm. Fuel System Injection Type: Multi-point Fuel Injection (MPI) or Direct Injection (DI, though less common on the N51/N52 variants of this year). Fuel Type: Premium Unleaded Gasoline (91 AKI or higher recommended). Technical Features Valvetrain: Double VANOS (Variable Valve Timing) and Valvetronic (variable valve lift). 🔧 Transmission Standard Type: 6-speed Manual Transmission Optional Type: 6-speed Steptronic Automatic Transmission with Adaptive Transmission Control (ATC). Features Automatic Mode: Yes, with manual shifting capability via selector lever or paddle shifters (if equipped). Fluid Specifications Automatic Transmission Fluid: BMW ATF LT-3 or equivalent (e.g., Pentosin ATF1). Manual Transmission Fluid: BMW MTF LT-2 or equivalent. 📐 Dimensions Exterior Length: Approx. 4527 mm (178.2 in) Width: Approx. 1757 mm (69.2 in) Height: Approx. 1449 mm (57.0 in) Wheelbase: Approx. 2760 mm (108.7 in) Cargo Cargo Volume Seats Up: Approx. 430 Liters (15.2 cu ft) Cargo Volume Seats Down: Approx. 1370 Liters (48.4 cu ft) Weights Curb Weight: Approx. 1600-1700 kg (3527-3748 lbs), depending on options and drivetrain. 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for sedans, wagon ratings may vary slightly but generally similar structural integrity). IIHS Crash Test Ratings: Good (in most categories for the sedan equivalent; wagon structure is similar). Active Features Electronic Stability Control: Dynamic Stability Control (DSC) standard. Traction Control: Automatic Stability Control and Traction (ASC+T). Braking Assist: Anti-lock Braking System (ABS), Dynamic Brake Control (DBC). Passive Features Airbags: Frontal airbags, front side-impact airbags, front and rear head protection system (curtains). Seat Belts: Three-point inertia-reel seat belts with pretensioners and force limiters. Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system. 💡 Technology Features Infotainment System Name: iDrive (CCC or CIC generation, depending on optional packages). Features: Radio, CD player (single or multi-disc), optional Navigation system, Bluetooth connectivity, USB audio interface, auxiliary input. Display: Central LCD display, typically 6.5 inches or 8.8 inches for navigation-equipped vehicles. Driver Assistance Features: Parking Assistant (rear parking sensors), optional front parking sensors, Adaptive Xenon headlights, rain-sensing wipers, automatic climate control. Connectivity Bluetooth: Standard or optional, for hands-free calling and audio streaming. Instrument Cluster Display Elements: Analog tachometer and speedometer, fuel gauge, engine temperature gauge,...