🏷️ Basic Information Identification Make: BMW Model: Z4 Year: 2012 Generation Generation Designation: E89 Codes Chassis Code: E89 👋 Introduction Market Position Vehicle Segment: Premium Two-Seater Sports Roadster Target Audience: Enthusiasts seeking a blend of driving pleasure, luxury, and performance. Competitive Analysis Key Competitors: Porsche Boxster, Audi TT Roadster, Mercedes-Benz SLK-Class, Chevrolet Corvette (lower trims). Key Features Unique Selling Points: Retractable hardtop, BMW's signature driving dynamics, premium interior, powerful inline-six engines. 📋 Manual Details Coverage Areas All Models Engines Trims: True All Transmission Types: True Page Count Estimated Page Count: Refer to specific model year documentation for exact count, typically 1000+ pages for complete workshop manuals. Manual Type Manual Classification: Complete Workshop Service Repair Manual Language Language: English Format Format Delivery: Downloadable Digital File (Email) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed repair and overhaul procedures for all engine variants Engine Management System: Diagnostic procedures, sensor testing, ECU information Fuel System: Fuel pump, injectors, fuel pressure testing, evaporative emission control Cooling System: Radiator, water pump, thermostat, fan clutch, coolant specifications Exhaust System: Catalytic converter, mufflers, exhaust manifold, lambda sensors Transmission Manual: Clutch, gearbox overhaul, shift mechanisms, fluid specifications Transmission Automatic: Transmission control module (TCM), valve body, torque converter, fluid types and capacities Drivetrain Rear Axle: Differential, driveshafts, wheel bearings, fluid specifications Suspension Front: MacPherson struts, control arms, sway bar, alignment specifications Suspension Rear: Multi-link suspension, shock absorbers, springs, alignment specifications Braking System Front: Brake calipers, rotors, brake pads, hydraulic lines, ABS components Braking System Rear: Brake calipers, rotors, brake pads, parking brake mechanism, ABS components Steering System: Power steering pump, steering rack, tie rod ends, steering column, hydraulic fluid Electrical System Charging: Alternator, voltage regulator, battery specifications, wiring diagrams Electrical System Starting: Starter motor, ignition switch, wiring diagrams Lighting System: Headlights, taillights, interior lighting, bulb types, wiring diagrams Body And Chassis: Frame construction, body panel replacement, door mechanisms, convertible top operation HVAC System: Air conditioning compressor, refrigerant, heater core, climate control module Interior Trim And Upholstery: Seat removal, dashboard disassembly, trim panel replacement Safety Systems: Airbag system, seatbelt pre-tensioners, SRS module diagnostics Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, tire rotations Scheduled Maintenance: Service interval recommendations for various components Troubleshooting Diagnostics: Step-by-step diagnostic flowcharts for common issues Component Replacement: Detailed instructions for replacing virtually all serviceable parts Engine Rebuilding: Complete engine disassembly, inspection, and reassembly procedures Transmission Overhaul: Detailed steps for rebuilding both manual and automatic transmissions Brake System Repair: Brake pad/rotor replacement, caliper service, bleeding procedures Electrical Diagnostics: Wiring diagrams, connector pinouts, diagnostic trouble code (DTC) explanations Body Repair And Paint: Panel removal/installation, dent repair, alignment specifications for body panels Convertible Top Service: Hydraulic system maintenance, fabric care, mechanism adjustments Technical Depth Depth Of Information: Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics. Diagnostic Tools Required: Includes information on using BMW-specific diagnostic tools (e.g., ISTA/D) and general OBD-II scanners. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text (Adobe Reader required) Print Quality Print Resolution: High-quality, suitable for clear printing of text and diagrams Binding Type Binding Description: Digital - Not applicable (printable by user) Paper Type Paper Description: Digital - Not applicable (printable by user on desired paper type) ⚙️ Engine Specifications Primary Engine Engine Variants Covered: sDrive35i (N55B30A), sDrive28i (N52B30A - may be present depending on market/specific model year sub-variants). Sdrive35I Engine Code: N55B30A Sdrive35I Displacement: 2979 cc (3.0 Liters) Sdrive35I Horsepower: 300 hp @ 5800 rpm Sdrive35I Torque: 300 lb-ft @ 1300-5000 rpm Performance Sdrive35I 0 60 Mph: Approx. 4.8 seconds Fuel System Fuel Injection Type: Direct Injection (High-Precision Injection) Turbocharging: Twin-scroll turbocharger with intercooler (N55) Recommended Fuel: Premium Unleaded Gasoline (91 AKI or higher) 🔧 Transmission Standard Standard Transmission Type: 7-speed M Double Clutch Transmission (M-DCT) with Drivelogic (on sDrive35i) Optional Optional Transmission Type: 6-speed Manual Transmission (on some models, market dependent) Features M Dct Features: Automatic shifting, manual mode with paddle shifters, launch control, smooth gear changes. 📐 Dimensions Exterior Length: 161.8 inches (4110 mm) Width: 70.5 inches (1791 mm) Height: 52.3 inches (1329 mm) Wheelbase: 98.3 inches (2496 mm) Weights Curb Weight Sdrive35I Dct: Approx. 3,373 lbs (1530 kg) Cargo Cargo Volume Hardtop Up: Approx. 13.1 cubic feet (370 Liters) Cargo Volume Hardtop Down: Approx. 9.0 cubic feet (255 Liters) 🛡️ Safety Features Ratings NHTSA Overall Rating: Refer to NHTSA for specific model year ratings; typically excellent for modern BMWs. Active Features Dynamic Stability Control: Standard Anti-Lock Braking System: Standard Traction Control: Standard Passive Features Airbag System: Front airbags, side airbags, knee airbags (driver). Rollover Protection: Pop-up roll bars behind headrests. 💡 Technology Features Infotainment Infotainment System: BMW iDrive System (Professional Navigation available as option) Audio Options: CD player, Radio (AM/FM), SiriusXM Satellite Radio, optional Harman Kardon surround sound system. Driver Assistance Parking Assistance: Park Distance Control (PDC) front and...