🏷️ Basic Information Identification Make: BMW Model: 325i Generation: E90/E91/E92/E93 Model Years Covered: 2006, 2007, 2008, 2009, 2010 👋 Introduction Market Position Segment: Compact Executive Car / Sport Sedan Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35 Key Features Driving Dynamics: Renowned for balanced chassis, precise steering, and engaging driving experience Powertrain Philosophy: Inline-6 engines known for smooth power delivery and refinement 📋 Manual Details Coverage Areas Engine Variants: N52B25 (2.5L Inline-6) Body Styles: Sedan (E90), Wagon (E91), Coupe (E92), Convertible (E93) Page Count Estimated Page Count: Thousands (typical for full factory service manual) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine management, fuel system, exhaust system, cooling system, lubrication system, ignition system, transmission (manual & automatic) Chassis: Suspension (front & rear), steering system, braking system (hydraulic, ABS, DSC), wheels & tires Electrical: Body electrical systems, lighting, instrument cluster, infotainment, HVAC controls, power windows/locks/mirrors, starter & charging system, ECU/DME diagnostics Body And Interior: Body panels, doors, hoods, trunk, interior trim, seats, airbags, climate control system (HVAC) Procedures Included Maintenance: Scheduled maintenance, fluid changes (oil, coolant, brake, transmission), filter replacements, spark plug replacement, belt replacement Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), pinpoint tests, wiring diagrams, component testing Repair: Engine overhaul, transmission rebuild, brake caliper replacement, suspension component replacement, electrical component repair/replacement, body panel repair Technical Data: Torque specifications, clearances, timing procedures, diagnostic parameters, wiring schematics Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission rebuilds and complex electrical diagnostics) 📊 Manual Specifications File Format Searchable Text: Yes (typically, for PDF versions) Printable: Yes Print Quality Image Resolution: High (suitable for viewing diagrams and schematics) Binding Type Binding: N/A (PDF format) Paper Type Paper Type: N/A (PDF format) ⚙️ Engine Specifications Primary Engine Engine Code: N52B25 Engine Type: Naturally Aspirated Inline-6 Cylinder, DOHC, 24 Valves Displacement: 2497 cc (2.5 Liters) Performance Horsepower Hp: 215 hp @ 6500 RPM Torque Lb Ft: 185 lb-ft @ 2750 RPM Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI), Valvetronic, VANOS Fuel Type: Premium Unleaded Gasoline (91+ Octane Recommended) Technical Details Bore X Stroke: 82.0 mm x 78.5 mm Compression Ratio: 10.7:1 Engine Oil Capacity Quarts: 6.9 US quarts (6.5 Liters) with filter change Engine Oil Specification: BMW Longlife-01 (LL-01) or BMW Longlife-01 FE (LL-01 FE) 🔧 Transmission Standard Type Standard: 6-Speed Manual Transmission (Getrag GS6-37DZ) Optional Type Optional: 6-Speed Steptronic Automatic Transmission (ZF 6HP19) Features Steptronic Functionality: Allows manual gear selection via shifter or paddle shifters (on some models) Fluid Specifications Manual Manual Transmission Fluid: MTF LT-3 (BMW part number 83 22 0 309 031) Fluid Specifications Automatic Automatic Transmission Fluid: ZF LifeguardFluid 6 (or equivalent spec like Shell LA2634, ATF6) 📐 Dimensions Exterior Sedan Length In: 181.8 Width In: 70.2 Height In: 56.7 Wheelbase In: 108.7 Interior Sedan Front Headroom In: 38.7 Front Legroom In: 41.7 Rear Headroom In: 37.4 Rear Legroom In: 34.3 Cargo Sedan Trunk Volume Cu Ft: 12.0 Weights Sedan Curb Weight Lbs: 3461 - 3594 (depending on transmission and options) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star (Driver and Passenger) IIHS Front Offset Crash Test: Good Active Features Stability 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 dual-stage airbags, front side-impact airbags, front and rear head protection system (curtain airbags) Seatbelts: Active front head restraints, pre-tensioners and force limiters for all seating positions 💡 Technology Features Infotainment System Name: iDrive (early generation, CCC or CIC depending on build date and options) Features: Radio, CD player, optional navigation, Bluetooth connectivity (often requires adapter for later phone compatibility) Driver Assistance Features Available: Cruise control, optional adaptive headlamps, parking sensors (PDC) Connectivity Auxiliary Input: Standard 3.5mm auxiliary audio input (in glovebox or center console) Usb Connectivity: Optional, often through a specific adapter cable in the center console or glovebox 🔧 Maintenance Service Intervals Oil Change Interval: Condition Based Service (CBS) system, typically around 10,000-15,000 miles or annually, depending on driving conditions Brake Fluid Change: Every 2 years (regardless of mileage) Engine Air Filter: As per CBS, often around 30,000-40,000 miles Cabin Microfilter: As per CBS, often annually or every 15,000-20,000 miles Spark Plugs: Typically every 60,000-100,000 miles depending on plug type and CBS recommendations Fluid Specifications Coolant Type: BMW Engine Coolant/Antifreeze (blue, G48 specification) Power Steering Fluid: Pentosin CHF 11S or equivalent Known Issues Common Issue 1: Oil filter housing gasket leaks (seepage common) Common Issue 2: Water pump failure (often plastic impeller breaks) Common Issue 3: Valve cover gasket leaks Common Issue 4: PCV (Positive Crankcase Ventilation) system issues, potentially leading to oil consumption or leaks Common Issue 5: Coolant expansion tank leaks or cracks 📚 Vehicle History Brand Heritage Brand Focus: Performance, luxury,...