🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 325xi Model Generation: E90/E91/E92/E93 Codes Chassis Code: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) Engine Code: N52B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Target Audience: Enthusiast owners, independent repair shops, DIY mechanics Competitive Analysis Key Competitors: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS250 AWD, Infiniti G35x Key Features Vehicle Highlights: Renowned BMW driving dynamics, xDrive all-wheel-drive system, refined interior, potent inline-six engine Manual Value Proposition: Enables owners and technicians to perform comprehensive maintenance, diagnostics, and repairs, reducing reliance on dealership service, preserving vehicle value and performance. 📋 Manual Details Coverage Areas Years Covered: 2006, 2007, 2008, 2009, 2010 Body Styles Covered: Sedan (E90), Wagon/Touring (E91) Trim Levels Covered: 325xi (AWD) Page Count Estimated Pages: Thousands (Comprehensive) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, Engine management, Fuel system, Ignition system, Exhaust system, Cooling system, Lubrication system, Transmission (Manual & Automatic), Drivetrain (including xDrive AWD system) Chassis: Suspension (front & rear), Steering system, Brake system (including ABS, DSC), Wheels & Tires, Driveline components (axles, differentials) Electrical: Battery, Starting & Charging system, Lighting (interior & exterior), Instrumentation & Warning indicators, Body Control Module (BCM), Comfort access systems, Powertrain Control Module (PCM), Chassis Control Module (CCM), Infotainment systems, SRS (Airbag) system, HVAC controls, Wiper & Washer systems Body: Body panels, Doors, Hood, Trunk/Tailgate, Bumpers, Glass & Seals, Interior trim, Seats, Roof systems (sunroof, convertible top) Procedures Included Maintenance: Scheduled maintenance (oil change, filters, spark plugs, brake fluid), Inspections, Lubrication, Adjustments Repair And Overhaul: Engine overhaul (rebuild), Transmission repair, Suspension component replacement, Brake system repairs, Electrical component diagnosis and replacement, Body component repair and alignment Diagnostics And Troubleshooting: Diagnostic trouble codes (DTCs), Symptom-based troubleshooting, Electrical circuit diagrams, Component testing, Flow charts Technical Data And Specifications: Torque specifications, Lubricant types and capacities, Fluid specifications, Electrical specifications, Component dimensions and tolerances, Alignment specifications Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics) 📊 Manual Specifications File Format Quality: High-resolution PDF, searchable text, indexed chapters Printable: Yes, all pages are printable Print Quality Print Recommendation: Optimized for digital viewing and printing of specific sections Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 2.5 Liters (2497 cc) Bore X Stroke: 82.0 mm x 78.5 mm Compression Ratio: 10.7:1 Performance Horsepower: 215 hp @ 6500 rpm Torque: 185 lb-ft @ 2750 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (MPI) Fuel Type: Premium Unleaded (91 Octane Recommended) Ignition System: Distributorless Electronic Ignition (Coil-on-Plug) Engine Management ECU Type: Bosch Motronic (Specific variant may apply, e.g., ME9.2) Valvetrain: Double Overhead Camshafts (DOHC), 4 Valves per Cylinder, VANOS (Variable Valve Timing) 🔧 Transmission Standard Type: 6-Speed Manual (GS6-37DZ for RWD, GS6X37DZ for AWD) Optional Type: 6-Speed Automatic (GA6HP-19Z) Features Drivetrain: xDrive All-Wheel Drive (Permanent, electronically controlled torque split) Fluid Specifications Automatic Transmission Fluid: BMW ATF 6 (Dexron VI equivalent) Manual Transmission Fluid: BMW MTF LT-2 or equivalent (e.g., Pentosin MTF2) Differential Fluid Front: BMW Hypoid Gear Oil G2 (SAE 80W-90) Differential Fluid Rear: BMW Hypoid Gear Oil G2 (SAE 75W-90) 📐 Dimensions Exterior Length: Sedan (E90): 180.6 in (4587 mm) Width: Sedan (E90): 70.2 in (1783 mm) Height: Sedan (E90): 57.5 in (1461 mm) Wheelbase: Sedan (E90): 108.7 in (2760 mm) Interior Front Headroom: Approx. 38.5 in (978 mm) Rear Legroom: Approx. 35.1 in (892 mm) Cargo Trunk Volume: Sedan (E90): Approx. 15.0 cu ft (425 L) Weights Curb Weight: Approx. 3615 - 3790 lbs (1640 - 1720 kg) depending on body style and options Gvw: Consult manual for specific GVWR 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars IIHS Frontal Offset: Good Active Features Stability Control: Dynamic Stability Control (DSC) Traction Control: Traction Control System (TCS) Brakes: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Frontal airbags, Side-impact airbags, Curtain airbags (front & rear where applicable) Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment Idrive Availability: Available on most models, with various iterations (e.g., M-ASK, CCC) Audio Options: Standard BMW Professional Radio, optional Harman Kardon audio system. Driver Assistance Parking Assistance: Optional Rear Park Distance Control (PDC) Lighting: Optional Xenon Adaptive Headlights Connectivity Bluetooth: Optional Bluetooth hands-free interface Auxiliary Input: Standard auxiliary audio input jack 🔧 Maintenance Service Intervals Oil Change Interval: Variable Oil Service Interval (Condition Based Service - CBS) typically 10,000-15,000 miles or 12-24 months. Engine Air Filter: Inspect every 30,000 miles, replace as needed or per CBS. Cabin Air Filter: Replace every 15,000-30,000 miles or annually. Spark Plugs: Replace at 60,000-100,000...