🏷️ Basic Information Identification Make: BMW Model: 3 Series Specific Model: 325i, 325xi Chassis Code: E90 (Sedan), E91 (Wagon), E92 (Coupe), E93 (Convertible) Product Name: BMW 3 325i 325xi 2006 2007 2008 2009 2010 Service Repair Manual 👋 Introduction Market Position Segment: Premium Compact Executive Sedan/Wagon/Coupe/Convertible Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35. Key Features Driving Dynamics: Renowned for its balanced chassis, responsive steering, and engaging driving experience. Powertrain: Smooth and powerful naturally aspirated inline-six engines. 📋 Manual Details Coverage Areas Applicable Years: 2006, 2007, 2008, 2009, 2010 Specific Models Covered: 325i (RWD), 325xi (AWD) Page Count Page Count: 2524 Manual Type Manual Type: Workshop Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Engine mechanical (N52B30A), cooling system, fuel system, ignition system, lubrication system, exhaust system, engine management (DME), emissions control. Transmission: Manual transmission (Getrag GS6-37BZ), Automatic transmission (ZF 6HP19/6HP26), clutch, driveshafts, differential. Chassis And Suspension: Front suspension (MacPherson strut), rear suspension (multi-link), steering system (hydraulic power steering), brakes (ABS, DSC, ventilated discs), wheels and tires. Electrical System: 12V battery system, charging system (alternator), starting system, lighting system, instrumentation, body control module (BCM), comfort electronics, infotainment system. Body And Interior: Body panels, doors, windows, sunroof, seats, airbags, HVAC system, interior trim, soundproofing. Procedures Included Maintenance: Routine service, oil changes, filter replacements, spark plug replacement, brake fluid flush, coolant replacement, belt inspection/replacement. Repair: Engine overhaul, transmission repair, suspension component replacement, brake caliper/rotor replacement, electrical component diagnostics and replacement, body panel repair. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), system testing procedures, wiring diagrams, component testing. Technical Depth Depth: Comprehensive, covering from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic information and wiring schematics. 📊 Manual Specifications File Format File Format: PDF Print Quality Image Resolution: High-resolution, suitable for clear viewing and printing of diagrams and text. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Searchability Searchable Text: Yes (assumed for professional PDF manuals) ⚙️ Engine Specifications Primary Engine Engine Code: N52B30A Engine Type: 3.0L Naturally Aspirated Inline-6 Cylinder Performance Horsepower: 255 hp @ 6600 rpm (approx.) Torque: 214 lb-ft @ 2750 rpm (approx.) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Valvetronic, Double VANOS. Fuel Type Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Oil Oil Specification: BMW Longlife-01 (LL-01) SAE 0W-30 or 5W-30 synthetic Cooling System Coolant Type: BMW Blue Antifreeze/Coolant 🔧 Transmission Standard Transmission Type Standard: 6-speed Manual Transmission (Getrag GS6-37BZ) Optional Transmission Type Optional: 6-speed Automatic Transmission (ZF 6HP19/6HP26) Features Drivetrain: Rear-Wheel Drive (325i), xDrive All-Wheel Drive (325xi) Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 or equivalent (check specific VIN) Automatic Transmission Fluid: BMW ATF LT-3 (Blue Label) or ZF LifeguardFluid8 (for 6HP26) (check specific VIN) 📐 Dimensions Exterior Wheelbase: 108.7 inches (approx.) Length: 181.7 inches (Sedan) / 179.7 inches (Coupe/Convertible) (approx.) Weights Curb Weight: 3500 - 3700 lbs (approx., depending on drivetrain and body style) Gross Vehicle Weight Rating: 4600 - 4800 lbs (approx.) Wheels And Tires Wheel Bolt Pattern: 5x120 Tire Sizes: Typically 225/45R17 or 225/40R18 (check specific VIN and trim) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (2006-2008 models) IIHS Front Offset Crash Test: Good (2006-2008 models) Active Features Traction Control: Dynamic Traction Control (DTC) / Dynamic Stability Control (DSC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist. Passive Features Airbags: Frontal airbags (driver and passenger), side-impact airbags, head protection airbags. Seatbelts: Three-point seat belts with pretensioners and force limiters. 💡 Technology Features Infotainment Infotainment System: iDrive system (CCC - Car Communication Computer) with optional navigation, radio, CD player, and Bluetooth connectivity. User Interface: Rotary knob controller with surrounding buttons for menu navigation. Driver Assistance Parking Assistance: Optional Park Distance Control (PDC) with front and rear sensors. Connectivity Bluetooth: Optional Bluetooth hands-free connectivity. Comfort Features Climate Control: Automatic climate control with multi-zone temperature settings. 🔧 Maintenance Service Intervals Oil Change Interval: Variable, typically 10,000-15,000 miles or 12-24 months, based on oil condition sensor and driving style (BMW Condition Based Service - CBS). Brake Fluid Interval: Every 2 years. Coolant Interval: Initial change at 4 years or 60,000 miles, then every 2 years or 30,000 miles thereafter. Spark Plug Interval: Approximately 60,000 miles for original plugs (check specific VIN). Fluid Specifications Power Steering Fluid: Pentosin CHF 11S or BMW Power Steering Fluid. Brake Fluid: DOT 4 LV (Low Viscosity) Known Issues Oil Leaks: Valve cover gasket leaks, oil filter housing gasket leaks, oil pan gasket leaks are common. Cooling System: Water pump failure (especially electric pumps on later models), thermostat issues, coolant expansion tank leaks. Pcv System: Crankcase ventilation valve (PCV) can clog, leading to oil leaks and potential rough idle. Vanos System: Solenoid failures can lead to rough idle, reduced power, and increased fuel consumption. Suspension...