🏷️ Basic Information Identification Make: BMW Model: 3 Series Generation Chassis Code: E90 (Sedan), E91 (Touring/Wagon), E92 (Coupe), E93 (Convertible) Codes Covered Years: 2006, 2007, 2008, 2009, 2010 👋 Introduction Market Position Segment: Compact Executive Sedan, Coupe, Convertible, and Wagon segment Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37 Key Features Reputation: Known for sporty handling, premium interiors, and advanced technology. Manual Advantage: Enables DIY owners to perform complex maintenance and repairs, saving significantly on dealership or independent mechanic costs. Target Audience Audience: BMW E90/E91/E92/E93 owners, DIY enthusiasts, aspiring mechanics, small repair shops. 📋 Manual Details Coverage Areas Engine Types Covered: Petrol (Gasoline) Engines Only Body Styles Covered: Sedan (E90), Touring/Wagon (E91), Coupe (E92), Convertible (E93) Transmission Types Covered: All automatic and manual transmissions Trim Levels Covered: All trim levels (e.g., Base, Sport, M Sport, Luxury) Page Count Estimated Page Count: Extensive (typically 2000+ pages for a complete workshop manual) Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Delivery Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, crankshaft, pistons, connecting rods, timing systems, lubrication, cooling Engine Management: Fuel injection systems (direct and indirect), ignition systems, emission controls, sensors, actuators, ECU troubleshooting Transmission: Manual gearbox overhauls, automatic transmission diagnostics, repair, fluid changes, electronic control modules Drivetrain: Driveshafts, CV joints, differential, wheel bearings, axle shafts Suspension: Front and rear suspension components, shock absorbers, struts, springs, control arms, bushings, alignment procedures Brakes: Brake system diagnostics, hydraulic systems, ABS, DSC, brake pads, rotors, calipers, brake fluid Steering: Power steering system, steering rack, tie rods, steering column Electrical System: Battery, alternator, starter, wiring diagrams, fuses, relays, lighting systems, body control module (BCM) Climate Control: HVAC system operation, diagnostics, refrigerant servicing, blower motor, control modules Body And Chassis: Body panel removal and installation, doors, hood, trunk, interior trim, glass replacement Infotainment And Comfort: Radio, navigation, iDrive system troubleshooting, comfort features Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, fluid level checks, brake fluid flush Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based diagnostics, fault finding procedures Repair: Component replacement, system overhauls, rebuilding procedures Diagnostics: Detailed diagnostic flowcharts and procedures for all major systems Specifications: Torque specifications, clearances, fluid capacities, electrical specifications Special Tools: Listing and usage of specific BMW special tools required for certain repairs Technical Depth Depth: Comprehensive: Covers everything from routine maintenance to complete engine and transmission rebuilds, including detailed electrical troubleshooting and diagnostics. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Print Quality Printability: High-resolution for clear printing of text and diagrams. Printable by chapter or entire document. Binding Type Binding: N/A (Digital Downloadable) Paper Type Paper Type: N/A (Digital Downloadable) Software Requirements Software: Adobe Reader (or compatible PDF viewer) required, freely downloadable. Searchability Text Search: Searchable text content for quick information retrieval. ⚙️ Engine Specifications Primary Engine Example Engine 1: N52B30 (3.0L Inline-6, Naturally Aspirated) Example Engine 2: N54B30 (3.0L Inline-6, Twin-Turbocharged) Example Engine 3: N51B30 (3.0L Inline-6, Naturally Aspirated, SULEV) Example Engine 4: N46B20 (2.0L Inline-4, Naturally Aspirated) Performance Horsepower Range: Approx. 215 hp to 300 hp (depending on specific engine variant) Torque Range: Approx. 200 lb-ft to 300 lb-ft (depending on specific engine variant) Fuel System Injection Type: Fuel injection (specific type varies by engine, e.g., Multi-point injection or Direct Injection) Fuel Type: Premium Unleaded Gasoline 🔧 Transmission Standard Manual Transmission: 6-speed manual transmission (e.g., Getrag GS6-37BZ) Optional Automatic Transmission: 6-speed Steptronic automatic transmission (e.g., ZF 6HP19Z, 6HP19TU) Features Transmission Features: Includes electronically controlled clutch operation, adaptive shift logic, sport modes, and manual shifting via Steptronic or paddle shifters (depending on option). 📐 Dimensions Exterior Wheelbase E90: Approx. 108.7 inches (2760 mm) Wheelbase E91: Approx. 107.7 inches (2735 mm) Wheelbase E92: Approx. 108.7 inches (2760 mm) Wheelbase E93: Approx. 108.7 inches (2760 mm) Weights Curb Weight Range: Approx. 3400 - 3900 lbs (1542 - 1769 kg) depending on body style and engine 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (typically for Sedan models) IIHS Top Safety Pick: Yes (for most model years) Active Features Stability Control: Dynamic Stability Control (DSC), including DTC (Dynamic Traction Control) Braking Systems: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Front airbags, side-impact airbags, front and rear head protection system (air curtains) 💡 Technology Features Infotainment System: iDrive infotainment system, Professional Navigation, Bluetooth connectivity, USB integration. Driver Assistance Features: Cruise control, parking sensors (PDC), optional adaptive headlights, rain-sensing wipers. Connectivity Features: BMW ConnectedDrive services (depending on market and options), telematics. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 to 15,000 miles or annually, depending on driving conditions and oil type. The vehicle's condition-based service (CBS) system will indicate specific intervals. Brakes Fluid Interval: Every 2 years, regardless of mileage. Coolant Interval: BMW Long-Life Coolant, typically replaced at around 4-5...