🏷️ Basic Information Identification Make: BMW Model: Z4 Year: 2009 Codes Chassis Code: E89 👋 Introduction Market Position Vehicle Class: Compact premium sports car Competitive Analysis Competitors: Audi TT, Mercedes-Benz SLK-Class, Porsche Boxster Key Features Design Philosophy: Lightweight construction, rear-wheel drive, driver-focused cockpit, retractable hardtop 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Model Variants Covered: All Models, Engines, Trims, and Transmission Types Page Count Estimated Page Count: Extensive (Detailed Procedures A-Z) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, lubrication system, exhaust system Transmission: Manual and Automatic transmission servicing, repair, and diagnosis Drivetrain: Driveshafts, differentials, AWD systems (if applicable to the specific 2009 Z4 generation) Suspension: Front and rear suspension, steering system, wheel alignment Brakes: Brake system components, hydraulic system, ABS, DSC, parking brake Electrical: Complete electrical system, wiring diagrams, lighting, starter, alternator, battery, control modules (ECU, DME, etc.) Body: Body panels, interior trim, convertible roof system (for the E89 Z4), glass, doors, windows HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), diagnostic procedures Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement Repair: Component replacement, system overhauls, minor and major repairs Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues Installation: Instructions for installing various components and accessories Specifications: Torque specifications, clearances, fluid capacities, electrical specifications Technical Depth Depth: Comprehensive (From basic fluid changes to complete engine and transmission rebuilds) 📊 Manual Specifications File Format Compatibility: All PC & MAC Computers, Tablets, Smartphones (Requires Adobe Reader) Print Quality Usability: Printable (Individual pages, chapters, or entire manual) Binding Type Delivery Method: Instant Email Download Paper Type Digital Format Details: High Quality Digital Document ⚙️ Engine Specifications Primary Engine Engine Family: N52/N54 (Inline-6) Engine Displacement 28I: 3.0 Liters (2996 cc) Engine Displacement 30I: 3.0 Liters (2996 cc) Engine Displacement 35I: 3.0 Liters (2979 cc) Performance Horsepower 28I: 230 hp @ 6500 rpm Horsepower 30I: 255 hp @ 6600 rpm Horsepower 35I: 300 hp @ 5800 rpm Torque 28I: 200 lb-ft @ 2750 rpm Torque 30I: 220 lb-ft @ 2750 rpm Torque 35I: 300 lb-ft @ 1400-5000 rpm Fuel System Injection Type: Direct Injection (35i), Port Injection (28i, 30i) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) 🔧 Transmission Standard Transmission 28I: 6-Speed Manual Transmission 30I: 6-Speed Manual Optional Transmission 28I: 6-Speed Steptronic Automatic Transmission 30I: 6-Speed Steptronic Automatic Transmission 35I: 7-Speed M Double Clutch Transmission (M DCT) Features Clutch Type: Dual-mass flywheel (Manual), Dual-plate dry clutch (M DCT) 📐 Dimensions Exterior Length: 4239 mm (166.9 in) Width: 1790 mm (70.5 in) Height: 1301 mm (51.2 in) Wheelbase: 2496 mm (98.3 in) Front Track: 1501 mm (59.1 in) Rear Track: 1520 mm (59.8 in) Cargo Trunk Volume Hardtop Up: 310 Liters (10.9 cu ft) Trunk Volume Hardtop Down: 200 Liters (7.1 cu ft) Weights Curb Weight 28I: Approx. 1540 kg (3395 lbs) Curb Weight 30I: Approx. 1555 kg (3428 lbs) Curb Weight 35I: Approx. 1600 kg (3527 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: Not Rated (Vehicle class typically not tested extensively) IIHS Side Impact: Not Rated (Vehicle class typically not tested extensively) Active Features Stability Control: Dynamic Stability Control (DSC) with Dynamic Traction Control (DTC) Braking Assist: Anti-lock Braking System (ABS), Brake Assist (BA) Tire Pressure: Tire Pressure Monitoring System (TPMS) Passive Features Airbags: Front airbags, side airbags integrated into seats, rollover protection system Seatbelts: Three-point inertia-reel seatbelts with pre-tensioners and belt force limiters 💡 Technology Features Infotainment Head Unit: BMW iDrive system (CCC or CIC depending on option) Display: Central display screen, optional navigation system Driver Assistance Cruise Control: Standard cruise control, optional Active Cruise Control Parking Sensors: Optional Park Distance Control (PDC) Connectivity Bluetooth: Optional Bluetooth connectivity for hands-free calling and audio streaming Usb: Optional USB interface for audio playback and device charging 🔧 Maintenance Service Intervals Oil Change Interval: Variable, based on Condition Based Service (CBS) system (typically 10,000-15,000 miles or annually) Brake Fluid Change: Every 2 years (regardless of mileage) Spark Plug Replacement: Approximately 60,000 miles (depending on engine variant and driving conditions) Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) compliant synthetic oil (e.g., SAE 0W-30 or 5W-30) Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol-based) Brake Fluid Type: DOT 4 High Performance Brake Fluid Transmission Fluid Manual: SAE 75W-90 Synthetic Gear Oil (specific BMW approval may apply) Transmission Fluid Automatic: BMW ATF LT-5 or equivalent (lifetime fluid, typically not user-serviceable) Known Issues Common Problem 1: Oil leaks from valve cover gasket and oil filter housing Common Problem 2: Water pump and thermostat housing failures (especially on N52 engines) Common Problem 3: Convertible roof mechanism issues (actuators, hydraulic lines,...