🏷️ Basic Information Identification Make: BMW Model: 328xi Year: 2007 Generation Chassis Code: E90 (Sedan), E91 (Wagon/Touring) Codes Engine Code: N52B30 👋 Introduction Market Position Segment: Premium compact executive sedan/wagon. Competitive Analysis Competitors: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS 250 AWD, Acura TL SH-AWD. Key Features Performance Handling: Renowned for its balanced chassis, rear-wheel-drive bias (even with AWD), and engaging driving dynamics. All Wheel Drive: xDrive intelligent all-wheel-drive system provides enhanced traction and stability in various conditions. Premium Appointments: High-quality interior materials, advanced technology, and refined comfort. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and maintenance for 2007 BMW 328xi. Page Count Estimated Page Count: 1000+ Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: Digital Software (likely PDF or proprietary executable) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, fuel system, ignition system, cooling system, lubrication system, emission controls, engine management (DME). Transmission Systems: Automatic transmission (e.g., GM/ZF 6HP series), manual transmission, clutch, driveline components. Suspension Steering: Front and rear suspension, steering system, power steering. Braking Systems: Brake hydraulics, ABS, DSC (Dynamic Stability Control), brake pad/rotor replacement, brake fluid. Electrical Systems: Battery, charging system, starter, lighting, body control modules (BCM), fuse/relay locations, wiring diagrams. HVAC Systems: Air conditioning, heating, ventilation, climate control. Bodywork Interior: Body panel removal/installation, interior trim, seats, doors, windows, body sealing. Diagnostics Troubleshooting: Diagnostic trouble codes (DTCs), common faults, troubleshooting procedures, component testing. Procedures Included Maintenance Procedures: Oil change, filter replacements (oil, air, cabin, fuel), spark plug replacement, fluid checks and changes (coolant, brake, power steering, transmission). Repair Procedures: Engine component replacement (e.g., alternators, water pumps, starter motors), transmission service, brake system repair, suspension component replacement, exhaust system repair, electrical component troubleshooting and replacement. Troubleshooting Guides: Step-by-step diagnostic trees for common drivability, electrical, and mechanical issues. Specifications Data: Torque specifications, diagnostic data, fluid capacities, component clearances. Technical Depth Depth Level: In-depth mechanical and electrical repair, including complete engine and transmission overhauls, electronic system diagnostics, and bodywork procedures. 📊 Manual Specifications File Format File Type: Digital Software Print Quality Searchability: Searchable text for quick information retrieval. Binding Type Binding: N/A (Digital Software) Paper Type Paper Quality: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Name: 3.0L Naturally Aspirated Inline-6 Engine Displacement: 2996 cc (3.0 Liters) Engine Configuration: Inline 6-cylinder, DOHC, 24 valves (VANOS and Valvetronic variable valve timing) Performance Horsepower: 230 hp @ 6500 rpm Torque: 200 lb-ft @ 2750 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with multi-point injection. Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Maintenance Notes Timing Drive: Timing Chain (no periodic replacement required, but tensioners and guides are potential failure points). 🔧 Transmission Standard Transmission Type: 6-Speed Manual (Optional on some configurations, though AWD often paired with automatic) Optional Transmission Type: 6-Speed Automatic Steptronic with Paddle Shifters Features AWD System: xDrive intelligent AWD system (typically 35:65 front/rear torque split, variable based on conditions) Fluid Specs Automatic Transmission Fluid: BMW ATF 6 (or equivalent like Shell LA2634, Pentosin ATF1) 📐 Dimensions Exterior Length: Approx. 178.2 inches (Sedan), 179.3 inches (Wagon) Width: Approx. 70.1 inches Height: Approx. 56.7 inches (Sedan), 57.2 inches (Wagon) Wheelbase: Approx. 108.7 inches Weights Curb Weight: Approx. 3650 - 3800 lbs (depending on body style and options) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for comparable models/years) IIHS Side Impact: Good (for comparable models/years) Active Features Stability Control: Dynamic Stability Control (DSC), including Traction Control (ASC+T), ABS, CBC (Cornering Brake Control), DBC (Dynamic Brake Control). Braking Assist: Brake Assist system. Passive Features Airbags: Front airbags, front side-impact airbags, head protection system (curtain airbags). 💡 Technology Features Infotainment Infotainment System: iDrive system (early generation), offering navigation, audio, climate control, and vehicle settings. Audio Options: Standard professional audio system, optional Harman Kardon surround sound. Driver Assistance Driver Assistance Features: Cruise control, optional parking sensors (Park Distance Control - PDC), optional Xenon Adaptive Headlights. Connectivity Connectivity Options: Bluetooth hands-free connectivity (optional), USB/Auxiliary audio input. 🔧 Maintenance Service Intervals Oil Change Interval: Variable (Condition Based Service - CBS), typically around 10,000-15,000 miles or 12-24 months. Brake Fluid Flush: Every 2 years (per BMW recommendation). Cabin Air Filter: Recommended every 15,000-30,000 miles or annually. Engine Air Filter: Recommended every 30,000 miles. Spark Plugs: Recommended around 100,000 miles (check manual for specific type and gap). Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) synthetic oil, typically SAE 0W-30 or 5W-30. Coolant Type: BMW Antifreeze/Coolant (Blue), ethylene glycol based, 50/50 mix with distilled water. Power Steering Fluid: BMW Power Steering Fluid (Pentosin CHF 11S or equivalent). Known Issues Oil Leaks: Valve cover gasket, oil filter housing gasket, oil pan gasket are common leak points. Cooling System: Plastic water pump impeller failure, thermostat housing leaks, radiator leaks. Engine Components: PCV valve (integrated into valve cover on N52), ignition...