Varies by engine. For 2006, typically 185 lb-ft (2.5i) to 220 lb-ft (3.0i), up to 369 lb-ft for M variant.
Fuel System
Injection Type:
Fuel Injection (likely Bosch Motronic or similar electronic fuel injection systems)
Cooling
System Type:
Liquid-cooled, pressurized system with thermostatically controlled fan
Lubrication
Oil Type Spec:
Requires BMW Longlife-01 (LL-01) approved synthetic oil. Specific viscosity grade (e.g., 5W-30) depends on ambient temperature.
đ§ Transmission
Standard
Type:
Manual Transmission (likely 5-speed or 6-speed Getrag depending on engine)
Optional
Type:
Automatic Transmission (likely 6-speed Steptronic with manual mode)
Features
Gear Ratios:
Detailed gear ratios for all forward gears and reverse for both manual and automatic transmissions are included.
Fluid Specifications
Manual Fluid:
Specific gear oil specifications (e.g., BMW MTF LT-2 or equivalent) are detailed.
Automatic Fluid:
Specific ATF (Automatic Transmission Fluid) type (e.g., ATF Dexron VI or equivalent BMW approved fluid) and capacity are specified.
đ Dimensions
Exterior
Wheelbase:
Approx. 98.2 inches (2494 mm)
Length:
Approx. 160.0 inches (4064 mm)
Width:
Approx. 69.5 inches (1765 mm)
Height:
Approx. 53.4 inches (1356 mm)
Weights
Curb Weight:
Approx. 3,250 - 3,400 lbs (1475 - 1542 kg) depending on engine and equipment.
Cargo
Trunk Volume:
Approx. 7.0 - 9.2 cubic feet (0.20 - 0.26 cubic meters) for Roadster, slightly more for Coupe.
đĄïž Safety Features
Ratings
NHTSA Frontal Impact:
4-star rating (for 2006 model year, typical for this class)
IIHS Side Impact:
Good rating (typically achieved by this generation)
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Dsc:
Standard Dynamic Stability Control (DSC)
Traction Control:
Standard Traction Control System (TCS)
Passive Features
Airbags:
Frontal airbags, side airbags (often integrated into seats), and knee airbags (driver's side, sometimes)
Roll Bar:
Integrated roll-over protection system for Roadster (E85)
đĄ Technology Features
Infotainment
Head Unit:
BMW Business CD or Professional CD radio, with optional navigation system (CCC).
Connectivity:
Optional Bluetooth integration for hands-free calling, optional AUX input.
Driver Assistance
Cruise Control:
Standard cruise control system.
Parking Sensors:
Optional rear parking assist sensors (Park Distance Control - PDC).
Lighting
Headlights:
Standard Halogen headlights, with optional Xenon Adaptive Headlights.
đ§ Maintenance
Service Intervals
Oil Change Interval:
Typically every 10,000-15,000 miles or 12-24 months, based on BMW's Condition Based Service (CBS) system.
Brake Fluid Flush:
Recommended every 2 years, regardless of mileage.
Coolant Flush:
Typically recommended at 30,000-60,000 mile intervals or every 2-4 years.
Fluid Specifications
Coolant:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) diluted with distilled water.
Power Steering Fluid:
Pentosin CHF 11S or equivalent hydraulic fluid.
Brake Fluid:
DOT 4, low viscosity (LV) brake fluid.
Known Issues
Common Problems:
Power steering leaks (hose or pump), VANOS solenoid issues, convertible top hydraulic system failures, cooling system leaks (water pump, thermostat housing), oil separator (PCV) system clogging.