Target Audience:
BMW Z4 owners, independent repair shops, DIY enthusiasts.
Advantage:
Official licensing, OE material derivation, digital convenience, comprehensive coverage.
Access Duration:
1 Year access, with discounts for extended access.
Device Compatibility:
PC, Laptop, Smartphone, Tablet.
Engine:
Detailed diagnostics, repair, and overhaul for all engine variants.
Drivetrain:
Manual and automatic transmissions, clutch, driveshafts, differentials.
Suspension Steering:
Front and rear suspension, steering system components, alignment.
Brakes:
ABS, DSC, brake system components, hydraulic and pneumatic systems.
Electrical Electronics:
Wiring diagrams, component testing, diagnostic procedures for all electronic modules.
Body Chassis:
Body panel repair, doors, convertible top mechanism, structural components.
Climate Control:
HVAC system diagnosis and repair, refrigerant handling.
Restraints:
Airbag system, seat belts, pre-tensioners.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Diagnostics:
Troubleshooting guides, fault code interpretation, component testing.
Repair Rebuild:
Step-by-step instructions for component removal, installation, and overhaul.
Technical Specifications:
Torque values, clearances, fluid capacities, electrical specifications.
Depth:
Comprehensive (Factory OE level detail, suitable for professional technicians and advanced DIYers).
Engine Options:
2.5L Inline-6 (N52B25), 3.0L Inline-6 (N52B30)
2.5L Power:
Approx. 215 hp @ 6500 rpm
3.0L Power:
Approx. 255 hp @ 6600 rpm
3.0L Torque:
Approx. 220 lb-ft @ 2750 rpm (for N52B30)
Fuel Delivery:
Electronic Fuel Injection (EFI), Valvetronic, Double VANOS
ECU Type:
Siemens MSV70 or similar
Coolant Type:
BMW Blue Antifreeze/Coolant (G48)
Engine Oil Grade:
SAE 0W-30, BMW Longlife-01 (LL-01) or Longlife-04 (LL-04)
Transmission Type 2.5:
6-speed Manual (GS6-17BG)
Transmission Type 3.0:
6-speed Manual (GS6-37DZ)
Optional Transmission Type:
6-speed Steptronic Automatic (GA6HP19Z)
Clutch Type:
Hydraulically actuated, single dry plate clutch
Manual Transmission Fluid:
MTF LT-3 (BMW Part No. 83 22 0 396 706) or equivalent
Automatic Transmission Fluid:
ATF LT-3 (BMW Part No. 83 22 0 024 359) or equivalent
NHTSA Front Impact:
Not specifically rated for 2008 model year by NHTSA in all configurations.
IIHS Front Offset:
Good (for models tested)
Stability Control:
Dynamic Stability Control (DSC)
Traction Control:
Automatic Stability Control and Traction (ASC+T)
Braking Assist:
Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD)
Airbags:
Front airbags, side-impact airbags, rollover protection (pop-up bars in Roadster).
Seat Belts:
Three-point inertia-reel seat belts with pre-tensioners and force limiters.
Head Unit:
Professional Radio System, available with Navigation system (CCC or CIC depending on late production).
Audio System Options:
Standard 6-speaker system, optional Hi-Fi sound system, optional Harman Kardon system.
Cruise Control:
Standard cruise control, optional Active Cruise Control on some models.
Bluetooth:
Optional Bluetooth phone integration.
Oil Change Interval:
Variable, typically 10,000-15,000 miles or 1-2 years, based on 'Condition Based Service' (CBS) system.
Brake Fluid Flush:
Every 2 years (standard BMW recommendation)
Engine Air Filter:
Inspect at 30,000 miles, replace as needed. Often replaced around 45,000-60,000 miles.
Cabin Microfilter:
Replace annually or as needed.
Power Steering Fluid:
Pentosin CHF 11S or equivalent
Brake Fluid:
DOT 4 (BMW High Performance DOT 4)
Common Problem 1:
Oil leaks from valve cover gasket and oil filter housing.
Common Problem 2:
Water pump failure (often plastic impeller).
Common Problem 3:
Cracked exhaust manifold on some N52 engines.
Common Problem 4:
Convertible top hydraulic leaks or maloperation.
Common Problem 5:
Idles vibration or rough running due to VANOS solenoids or vacuum leaks.
Bmw Sportscars:
BMW has a long history of producing successful and desirable sports cars, dating back to models like the 328 and the iconic 507.
Z4 Generation Ii Debut:
The second generation (E89) debuted in 2009, but this manual covers the first generation (E85/E86).
E85 E86 Production Years:
2002-2008
Manufacturing Location:
Spartanburg, South Carolina, USA
