🏷️ Basic Information Identification Make: BMW Model: Z4 Year: 2011 Generation Generation Code: E89 👋 Introduction Market Position Vehicle Segment: Premium Sports Roadster Competitive Analysis Competitors: Audi TT, Mercedes-Benz SLK, Porsche Boxster Key Features Manual Advantage: Licensed OE data, user-friendly interface, instant access, comprehensive coverage Vehicle Selling Points: Engaging driving dynamics, sophisticated design, powerful engine options, retractable hardtop 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Page Count Estimated Pages: Extensive (Software-based, dynamically loads information) Manual Type Type: Online Service and Repair Manual Software Language Language: English Format Format: Web-based Software (Accessible via browser) 📖 Manual Coverage Systems Covered Engine: Complete engine diagnostics, repair, and overhaul (including specific engine variants) Drivetrain: Transmission (manual and automatic), differential, drive shafts, axles Suspension: Front and rear suspension components, alignment, shock absorbers, springs, control arms Steering: Power steering system, steering rack, tie rods, steering column Brakes: Brake system diagnosis, repair, caliper replacement, rotor resurfacing/replacement, ABS, DSC Electrical System: Complete wiring diagrams, component testing, ECU diagnostics, lighting, starter, alternator Climate Control: HVAC system diagnosis and repair, refrigerant handling, climate control modules Bodywork: Exterior panel repair, interior trim, convertible top mechanism and maintenance Procedures Included Maintenance: Scheduled maintenance tasks, fluid changes, filter replacements, spark plug replacement Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, electrical fault finding Repair: Component removal and installation, sub-assembly repairs, major system overhauls Diagnostics: Detailed diagnostic procedures for all major systems, including electronic modules Technical Depth Depth Level: Factory-level detail, suitable for professional technicians and advanced DIYers 📊 Manual Specifications File Format Format Type: Web Application / Browser-Based Print Quality Printability: Printable sections available (depending on software functionality) Binding Type Binding: N/A (Software) Paper Type Material: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code Sdrive30I: N52B30 Engine Code Sdrive35I: N54B30 Performance Sdrive30I Horsepower: 255 hp @ 6600 rpm Sdrive30I Torque: 220 lb-ft @ 2750 rpm Sdrive35I Horsepower: 300 hp @ 5800 rpm Sdrive35I Torque: 300 lb-ft @ 1400 rpm (with overboost) Fuel System Fuel Type: Premium Unleaded Gasoline (91+ Octane Recommended) Fuel Delivery: Fuel Injection (Direct Injection for N54) Engine Design Cylinder Configuration: Inline-6 (Naturally Aspirated for 30i, Twin-Turbocharged for 35i) 🔧 Transmission Standard Sdrive30I Transmission: 6-speed Manual Transmission Sdrive35I Transmission: 7-speed M-Double Clutch Transmission (M-DCT) Optional Sdrive30I Optional Transmission: 8-speed Steptronic Automatic Transmission Sdrive35I Optional Transmission: 6-speed Manual Transmission Features Transmission Fluid Sdrive30I Auto: ATF LT-5 (BMW Part No. 83 22 0 142 516) Transmission Fluid Sdrive35I Dct: DCT Fluid (BMW Part No. 83 22 2 147 477) 📐 Dimensions Exterior Length: 161.7 inches Width: 70.5 inches Height: 52.5 inches Wheelbase: 98.3 inches Weights Curb Weight Sdrive30I Manual: 3373 lbs Curb Weight Sdrive35I Dct: 3593 lbs Cargo Cargo Volume Roof Up: 13.0 cu ft Cargo Volume Roof Down: 7.1 cu ft 🛡️ Safety Features Ratings NHTSA Overall Rating: Not explicitly rated by NHTSA for 2011 model year for this specific niche vehicle, but generally considered to have high structural integrity Active Features Active Safety Features: Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Anti-lock Braking System (ABS), Cornering Brake Control (CBC), Brake Fade Compensation Passive Features Passive Safety Features: Front airbags, side airbags integrated into seats, rollover protection system (pop-up bars), crumple zones 💡 Technology Features Infotainment Infotainment System: BMW iDrive system with 7-inch display (optional navigation) Driver Assistance Driver Assistance Features: Optional Parking Distance Control (PDC), Xenon Adaptive Headlights, Cruise Control Connectivity Connectivity Options: Optional Bluetooth connectivity for hands-free calling and audio streaming 🔧 Maintenance Service Intervals Oil Change Interval: Condition-Based Service (CBS) system indicates oil change needs, typically around 10,000-15,000 miles or annually. Brake Fluid Change: Every 2 years (BMW recommended) Fluid Specifications Engine Oil Spec Sdrive30I: BMW Longlife-01 (LL-01) or BMW Longlife-01 FE (LL-01 FE) - SAE 0W-30 or 5W-30 Engine Oil Spec Sdrive35I: BMW Longlife-01 (LL-01) - SAE 0W-40 or 5W-40 Coolant Type: BMW Blue Antifreeze/Coolant (G48) - Mix 50/50 with distilled water Known Issues Common Issue N54 Twin Turbo: High-pressure fuel pump (HPFP) failure, ignition coil failure, wastegate rattle, carbon buildup on intake valves. Common Issue Convertible Top: Hydraulic leaks or pump failures for the retractable hardtop mechanism, sensor issues affecting operation. Common Issue Suspension: Wear on control arm bushings, strut mounts, and tie rod ends due to sporty driving. 📚 Vehicle History Brand Heritage Bmw Sporty Heritage: BMW has a long-standing reputation for producing driver-focused, sporty vehicles with excellent handling characteristics. Model Evolution Z4 E89 Introduction: The E89 generation, introduced for the 2009 model year, replaced the previous E85/E86 Z4 and featured a retractable hardtop, a significant departure from its predecessor's soft-top. Production Manufacturing Location: Regensburg, Germany 🏆 Awards & Recognition Recognitions Design Award: The E89 Z4 design was praised for its sharp lines and athletic stance, reflecting BMW's design language. Ratings Performance Reviews: Generally received positive reviews for driving dynamics, responsive engines, and the convenience of the hardtop convertible.