* Turbocharged
* Engine: 4.4L V-8 DOHC with variable valve timing and four valves per cylinder
* Premium unleaded fuel
* Fuel economy: EPA (08):, 15 MPG city, 22 MPG highway, 17 MPG combined and 313 mi. range
* Gasoline direct fuel injection
* 18.4-gallon fuel tank
* Power(SAE): 400 hp @ 5,500 rpm; 450 ft lb of torque @ 1,750 rpm
Handling
* ABS
* Brake assist system
* Cornering brake control
* Ventilated four-wheel disc brakes
* Electronic brake distribution
* Electronic traction control (via ABS & engine management)
* Immobilizer
* Stability control
* Independent front wishbone suspension with stabilizer bar and coil springs, independent rear multi-link suspension with stabilizer bar and coil springs
Exterior
* Body-color front and rear bumpers
* Day time running lights
* Driver and passenger power, heated ,body-color door mirrors, passenger power, heated ,body-color door mirrors
* Exterior dimensions: 193.1 in. overall length, 73.2 in. overall width, 57.6 in. overall height, 116.9 in. wheelbase, 63.0 in. front track, 64.1 in. rear track and 39.2 ft. curb-to-curb turning circle
* Foldable mirrors
* Front fog lights
* Bi-Xenon headlights with projector beam lenses
* Luxury trim: alloy & leather on shifter, wood & leather on doors and wood/woodgrain on dashboard
* Metallic paint
* Rear window defroster
* Remote glass sunroof
* Curb weight: lbs
* Intermittent windshield wipers
Interior
* Cargo area, front and rear 12V power outlet(s)
* Dual-zone fully-automatic climate control
* Diversity antenna
* Anti-theft protection includes: interior monitoring and anti-lift
* Front and rear ashtray
* Audio system with AM/FM radio, CD player (reads MP3 format) ; includes RDS , digital radio
* Cargo capacity: 14.0 cu. ft. all seats in place
* Cigar lighter in front seats
* Coming home device
* Compass
* Trip computer: includes average speed, average fuel economy, current fuel economy and range for remaining fuel
* Cornering lights/curb illumination
* Cruise control
* Front cup holders
* Outside air temperature indicator
* Floor mats
* Intelligent driver front airbag, intelligent passenger front airbag with occupant sensors and occupant switch off
* Six 12-way power bucket driver seat, six 12-way power bucket front passenger seat:
* Front seat belts with pre-tensioners for driver and passenger
* Front seat center armrest
* Garage door opener
* Two active height-adjustable, electrically-adjustable front head restraints, three height-adjustable rear seats head restraints
* Headlight control with dusk sensor and active headlights
* Heated washer
* Interior dimensions: 40.5 in. front headroom, 38.3 in. rear headroom, 41.4 in. front leg room, 36.1 in. rear leg room, 58.3 in. front shoulder room and 56.2 in. rear shoulder room
* Low tire pressure indicator
* Memorized adjustment: includes door mirror position and steering wheel position
* MP3 player
* Navigation system with 3D and voice
* Park Distance Control (PDC) front and rear radar parking distance sensors
* Remote power locks , includes power windows and speed sensing
* Vehicle speed-proportional power steering
* Power windows, express driver and passenger
* Front and rear reading lights
* Rear seat belts for driver, rear seat belts for passenger, 3-point rear seat belts for center
* Rear seat center armrest
* Auto-dimming rear view mirror
* Steering wheel-mounted audio controls
* Remote control trunk/hatch release
* Front and rear curtain airbag
* Leather upholstery
* Seating: five passengers
* Service interval indicator
* Front side airbag
* Smart card/smart key; manual includes central locking ; includes memory seat
* Twelve speakers
* Leather-trimmed, tilt/ telescoping steering wheel
* Tachometer
* BMW Assist telematics
* Illuminated driver and passenger vanity mirror
* Ventilation system with micro filter, automatic recirculation and active carbon filter
* Voice activating system for radio, phone and navigation system
Via : http://www.motortrend.com/cars/2011/bmw/5_series/550i_sedan/1824/specifications/index.html