🏷️ Basic Information Identification Make: BMW Model: 3-Series Chassis Codes: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) Model Year Coverage: 2008 Generation Generation Designation: E90/E91/E92/E93 (Fifth Generation) 👋 Introduction Market Position Target Audience: BMW 3-Series owners and independent repair shops seeking professional-level repair information. Competitive Analysis Vs Generic Manuals: Significantly superior to generic repair guides due to vehicle-specific data, factory procedures, and detailed schematics. Key Features Factory Authenticity: This manual is the identical resource used by BMW dealership technicians. Ease Of Use: Single, easy-to-use PDF format, eliminating the need to consult multiple physical books. Digital Convenience: Printable pages, no wear and tear, safe storage on PC, portable to workshop. Diagnostic Tools: While not a diagnostic scanner itself, it provides the detailed technical data necessary to interpret codes and guide the use of diagnostic tools. 📋 Manual Details Coverage Areas All Models And Repairs: True (Covers all E90, E91, E92, E93 variants) Page Count Estimated Page Count: Extensive (Specific count not provided, described as comprehensive) Manual Type Type: Service and Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Management: Complete diagnostics, repair, and specifications for all engine control systems. Powertrain: Covers manual and automatic transmissions, differentials, drive shafts, and axles. Chassis And Suspension: Includes detailed procedures for steering, suspension, brakes, and wheels/tires. Electrical Systems: Comprehensive coverage of all electrical components, including wiring schematics, multiplex/CAN communication. Comfort And Convenience: Detailed information on HVAC, power accessories (locks, windows), seats, interior/exterior trim, and lighting. Safety Systems: Includes Supplemental Restraint System (SRS), seat belts, and immobilizer systems. Emission Control: Details on catalytic converters, oxygen sensors, evaporative emission control systems (EVAP), and emissions testing procedures. Intake And Exhaust: Covers intake manifold, throttle body, exhaust system components, and turbocharger systems (for applicable models). Procedures Included Routine Maintenance: Step-by-step guides for oil changes, filter replacements, fluid checks, and general upkeep. Diagnostic Procedures: Detailed troubleshooting steps for identifying and resolving common and complex issues. Repair And Rebuild: Comprehensive instructions for component removal, disassembly, repair, and reassembly. Wiring Schematics: Complete and detailed wiring diagrams for all electrical systems. Diagnosing Driveability: Step-by-step procedures for diagnosing issues such as misfires, rough idle, hesitation, and poor fuel economy. Wheel And Tire Service: Information on tire pressure monitoring system (TPMS), wheel balancing, and alignment specifications. Body And Trim Repair: Includes procedures for exterior body panels, interior trim pieces, door mechanisms, and window regulators. Technical Depth Depth: Factory-level detail, designed for dealership technicians. Covers all repairs from basic maintenance to complex diagnostics and rebuilds. Specifications Accuracy: Contains exact torque specifications, clearances, fluid capacities, and electrical resistance values critical for accurate repairs. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF (standard for quality manuals). Compatibility: Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and Mac OS compatible. Requires Adobe PDF Reader and Winzip. Print Quality Printable: Yes, all pages are printable. Image Scaling: Images can be enlarged for detailed viewing and printing. Binding Type Digital Binding: N/A (Digital PDF format, no physical binding) Paper Type Digital Paper Type: N/A (Digital PDF format, no physical paper type) ⚙️ Engine Specifications Primary Engine Engine Variants Covered: Likely includes N52 (3.0L I6), N54 (3.0L Twin-Turbo I6), N55 (3.0L Twin-Turbo I6), N51 (3.0L I6 - SULEV), and potentially diesel variants depending on market. Performance Horsepower And Torque: Detailed specifications for all covered engine variants will be present, allowing for precise performance data confirmation. Fuel System Fuel Delivery And Management: Includes information on fuel injectors, fuel pump, high-pressure fuel pump (for turbo models), fuel pressure sensors, and electronic throttle control. Ignition System Ignition Components: Covers ignition coils, spark plugs, crankshaft position sensors, and camshaft position sensors. Cooling System Cooling Components: Details on radiator, water pump, thermostat, coolant hoses, and cooling fan. Lubrication Oil System: Information on oil pump, oil filter housing, oil pan, and oil specifications. 🔧 Transmission Standard Manual Transmission Types: Likely covers Getrag GS6-37BG / GS6-37DZ (6-speed manual). Optional Automatic Transmission Types: Likely covers ZF 6HP19TU / 6HP21 (6-speed automatic) and potentially 8-speed automatic in later 2008 models or specific trims. Features Transmission Control: Details on mechatronics units, shift solenoids, and transmission control modules (TCM). Fluid Specifications Transmission Fluid Type: Specific BMW-approved ATF types (e.g., ATF6 for ZF transmissions) and manual gearbox oil specifications will be detailed. 📐 Dimensions Exterior Wheelbase: E90/E92/E93: Approx. 108.7 inches (2760 mm); E91 (Touring): Approx. 108.7 inches (2760 mm). Track Width: Front and rear track specifications vary slightly by model (sedan, coupe, etc.) and are detailed within the manual. Weights Curb Weight: Varies significantly by model and engine, typically ranging from ~3,400 lbs to ~4,000 lbs. Specifics are in the manual. Gross Vehicle Weight Rating: Detailed GVWR for each body style and configuration will be provided. Cargo Trunk Volume: E90/E92/E93: Approx. 12-15 cu ft (varies by body style). E91...