🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E90 (Saloon/Sedan) Model Years Covered: 2006, 2007, 2008, 2009, 2010, 2011 Body Style: Saloon (Sedan) 👋 Introduction Market Position Segment: Premium Compact Executive Sedan Brand Perception: Known for driving dynamics, build quality, and sophisticated engineering. Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35/G37. Key Features Platform: E90 platform, known for its balanced chassis and rear-wheel-drive bias. Powertrain Options: Wide range of inline-four and inline-six petrol and diesel engines, including turbocharged variants. Driver Focus: Emphasis on sporty handling, responsive steering, and driver engagement. 📋 Manual Details Coverage Manual Type: Workshop Service Repair Manual Coverage Areas: All models, engines, trims, and transmission types within the specified E90 Saloon range Format Format: Downloadable Digital File (PDF) Language: English Page Count: Not specified, but described as 'complete' covering A-Z procedures. Accessibility Delivery Method: Instant Email Delivery Software Requirements: Adobe Reader (free download) Usability Print Options: Printable (individual pages, chapters, or entire manual) Device Compatibility: PC, Mac, Tablets, Smartphones 📖 Manual Coverage Systems Covered Engine Service: Maintenance, diagnostics, repair for all E90 petrol and diesel engines (e.g., N43, N52, N54, M54 (early), N47, M47, N57). Transmission Service: Service and repair for manual and automatic transmissions, including fluid checks, replacement, and internal component repair. Drivetrain: Front/rear axle, driveshafts, differential, and AWD (xDrive) systems. Suspension: Front and rear suspension components, steering system, wheel alignment. Brakes: Brake system diagnosis and repair, including ABS, DSC, brake pads, rotors, lines, and hydraulic components. Electrical System: Comprehensive coverage of the vehicle's electrical system, including battery, alternator, starter, lighting, and fuses. Electronics: Diagnosis and repair of electronic control units (ECUs), sensors, actuators, body control modules (BCM), infotainment, and comfort systems. Climate Control: HVAC system operation, diagnosis, repair, and refrigerant handling. Body And Chassis: Body panel repairs, door mechanisms, interior trim, glass replacement, and structural components. Safety Systems: Airbag system diagnosis and repair, seatbelt mechanisms. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid level checks, and general inspections. Troubleshooting: Step-by-step diagnostic procedures for common and uncommon problems, fault code interpretation. Repair Procedures: Detailed instructions for component replacement, adjustment, and rebuilding across all vehicle systems. Component Disassembly Reassembly: Comprehensive guides for taking apart and putting back together major vehicle components. Electrical Diagnostics: Wiring diagrams, circuit testing, component testing for electrical faults. Engine Rebuild: Detailed procedures for engine overhaul, including torque specifications and clearances. Technical Depth Depth: Expert-level, suitable for professional technicians and advanced DIY mechanics. Covers diagnostics, repair, and component overhaul. 📊 Manual Specifications File Characteristics File Format: Portable Document Format (PDF) Print Quality: High-resolution, clear text and images for easy readability and printing. Searchability: Likely text-searchable (standard for quality PDFs), allowing quick access to specific topics. Physical Attributes Binding Type: Not applicable (digital download) Paper Type: Not applicable (digital download) ⚙️ Engine Specifications Engine Variants Covered Petrol Engines: e.g., 320i (N43B20), 323i (N52B25), 325i (N52B30), 328i (N52B30), 330i (N52B30), 335i (N54B30 twin-turbo). Diesel Engines: e.g., 318d (N47D20), 320d (N47D20/M47D20), 325d (M57D30), 330d (M57D30), 335d (M57D30 twin-turbo). Performance General Horsepower Range: Approx. 129 hp (316i) to 306 hp (335i). Torque Range: Approx. 200 Nm to 400 Nm. Fuel System Injection Type: High-pressure direct injection (Di) for many petrol and diesel variants, multi-point injection (MPI) for some earlier petrol engines. Engine Management ECU System: Advanced Engine Control Units (ECU) managing fuel, ignition, emissions, and diagnostics. 🔧 Transmission Standard Transmission Type Availability: Manual transmissions (e.g., Getrag GS6-37BZ 6-speed) and Automatic transmissions (e.g., ZF 6HP series 6-speed automatic). Optional Transmission Type Availability: All-wheel drive (xDrive) available on select models, paired with either manual or automatic transmissions. Features Automatic Features: Steptronic (manual shifting mode), adaptive shift logic. 📐 Dimensions Exterior Dimensions Length: Approx. 4527 mm (178.2 in) Width: Approx. 1817 mm (71.5 in) Height: Approx. 1421 mm (55.9 in) Wheelbase Wheelbase: Approx. 2760 mm (108.7 in) Weights Curb Weight: Varies by engine and transmission, typically 1450-1650 kg. 🛡️ Safety Features Ratings NHTSA Ratings: Generally achieved 5-star ratings in frontal and side crash tests for its era. IIHS Ratings: Received 'Good' ratings in frontal and side impact tests. Active Features Stability Control: Dynamic Stability Control (DSC) with traction control as standard. Braking Assist: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist. Passive Features Airbags: Front, side-impact, and curtain airbags. Seatbelts: Pretensioning seatbelts with force limiters. 💡 Technology Features Infotainment I Drive System: Introduction of the iDrive control system for managing infotainment, navigation, climate, and vehicle settings. Audio Options: Standard radio, optional premium sound systems (e.g., Harman Kardon), Bluetooth connectivity, USB/Aux inputs. Driver Assistance Parking Assist: Optional Park Distance Control (PDC) - front and rear. Lighting: Optional Xenon headlights with adaptive cornering. Connectivity Bluetooth: Available for hands-free calling and audio streaming on equipped models. 🔧 Maintenance Service Intervals General Oil Change Interval: Typically every 15,000 miles or 12 months,...