Vehicle Segment:
Premium Sports Roadster
Competitors:
Audi TT, Mercedes-Benz SLK, Porsche Boxster
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
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
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
Depth Level:
Factory-level detail, suitable for professional technicians and advanced DIYers
Engine Code Sdrive30I:
N52B30
Engine Code Sdrive35I:
N54B30
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 Type:
Premium Unleaded Gasoline (91+ Octane Recommended)
Fuel Delivery:
Fuel Injection (Direct Injection for N54)
Cylinder Configuration:
Inline-6 (Naturally Aspirated for 30i, Twin-Turbocharged for 35i)
Sdrive30I Transmission:
6-speed Manual Transmission
Sdrive35I Transmission:
7-speed M-Double Clutch Transmission (M-DCT)
Sdrive30I Optional Transmission:
8-speed Steptronic Automatic Transmission
Sdrive35I Optional Transmission:
6-speed Manual Transmission
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)
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 Safety Features:
Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Anti-lock Braking System (ABS), Cornering Brake Control (CBC), Brake Fade Compensation
Passive Safety Features:
Front airbags, side airbags integrated into seats, rollover protection system (pop-up bars), crumple zones
Infotainment System:
BMW iDrive system with 7-inch display (optional navigation)
Driver Assistance Features:
Optional Parking Distance Control (PDC), Xenon Adaptive Headlights, Cruise Control
Connectivity Options:
Optional Bluetooth connectivity for hands-free calling and audio streaming
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)
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
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.
Bmw Sporty Heritage:
BMW has a long-standing reputation for producing driver-focused, sporty vehicles with excellent handling characteristics.
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.
Manufacturing Location:
Regensburg, Germany
