2007 BMW Z4 3.0si

2007 BMW Z4 3.0si — brief description of factory equipment

Overview
The 2007 BMW Z4 3.0si is a rear-wheel-drive two-seat sports car powered by BMW’s 3.0-liter inline-six engine, rated at approximately 255 hp and 220 lb-ft of torque. The package emphasizes a balanced chassis, direct steering feel, and a driver-focused cockpit. The 3.0si was offered in roadster (convertible) and coupe body styles; factory equipment varied slightly by body and market, and a number of factory option packages were also available.

Performance and drivetrain
- Engine: 3.0 L inline-6 naturally aspirated engine producing about 255 hp and 220 lb-ft of torque (factory rating).
- Drivetrain: Rear-wheel drive layout for traditional BMW handling dynamics.
- Transmissions: Six-speed manual was the standard transmission; a six-speed SMG (sequential manual gearbox) was available as a factory option.
- Differential and traction: Standard traction control and BMW’s Dynamic Stability Control (DSC) system to manage wheel slip and vehicle stability under spirited driving.

Chassis, steering and brakes
- Suspension: Independent front and rear suspension tuned for sporty handling with a focus on balance and driver feedback (double-joint spring strut front and multi-link rear geometry typical of the Z4 platform).
- Steering: Rack-and-pinion power steering calibrated for a direct, communicative feel.
- Brakes: Four-wheel ventilated disc brakes with anti-lock braking system (ABS); electronic brakeforce distribution and brake assist were part of the braking safety systems.

Exterior
- Body: Low-slung two-seat sports car dimensions with sculpted hood, short overhangs and signature BMW kidney grille.
- Roof: Depending on the body style, a folding soft top (roadster) or fixed coupe roof (coupes were sold in markets where offered). Convertible tops folded cleanly into the rear deck on roadster models; operation and materials depended on the specific configuration.
- Lighting: Halogen headlamps were standard; Xenon adaptive headlights and fog lamps were available as factory options on many models.
- Wheels and tires: Alloy wheels from the factory, generally in the 17–18-inch range depending on trim and market, fitted with performance-oriented tires.

Interior and comfort
- Seating: Two full-support sport seats designed to hold occupants during enthusiastic driving. Seats were available in leather upholstery at factory, with power seat adjustment for the driver and often for the passenger; heating or memory functions were available options or included in certain packages.
- Climate: Automatic climate control and efficient HVAC system sized for the two-seat cabin.
- Controls and ergonomics: Driver-focused cockpit with center console-mounted shifter, clear analog gauges, and steering wheel-mounted controls where applicable. Tilt and telescoping steering column were standard to assist driver comfort and positioning.
- Windows, locks and mirrors: Power windows, power door locks with remote keyless entry, and power-adjustable exterior mirrors; heated mirrors were available as an option.

Audio, navigation and electronics
- Audio: AM/FM stereo with CD player and multiple speakers as standard equipment. Higher-end audio systems (for example, premium branded systems) were available as factory options.
- Navigation: Factory navigation/navigation display packages were offered as options in many markets, adding a central screen, navigation interface and additional features.
- Instrumentation and convenience: Trip computer, onboard diagnostics, and basic vehicle information displays were standard. Cruise control was typically included.

Safety
- Airbags: Driver and front passenger airbags and front side airbags were standard.
- Stability and traction systems: ABS, traction contro