BMW's 5 Series sedans are renowned for their sports-car-like performance and handling. The top-of-the-line 550i is the priciest and most powerful version (the V10-powered M5 is in a league of its own) and like the 525 and 530 models, it receives only minor updates for 2007, most of which are high-tech gadgets. Styling and major mechanical components carry over unchanged.
Primary among the new high-tech upgrades is an enhanced BMW Assist safety/communication system (similar to General Motors’ OnStar) that offers services like collision assistance and stolen vehicle recovery. A new TeleService function alerts owners of maintenance/repair needs and contacts them to set up an appointment at a local dealership. Every 5 Series model now comes with four years of BMW Assist; by comparison, it is a $685-per-year option on the 3 Series.
The 2007 550i gains an input that allows iPods and other portable devices to be played through the vehicle’s audio system. A high-definition (HD) radio receiver is newly optional ($500). This new system, which debuted on the 2006 6 Series, delivers CD-quality digital sound on FM stations that broadcast in the new format, with FM-quality audio on AM stations. Unlike satellite radio, HD radio is free, all broadcasts are local in nature and the radio units can receive standard analog broadcasts in addition to HD digital programming. As of spring 2006, more than 700 stations across the U.S. were broadcasting in HD radio, with more than 3,000 committed to adding the new format.
Another new high-tech option is the BMW Night Vision system ($2,200). Similar to systems offered by Mercedes-Benz and Lexus, Night Vision uses a thermal imaging camera to display a view of the road ahead on the vehicle’s navigation system screen and help expose objects otherwise undetectable by the naked eye.
The 5 Series line underwent a major makeover for the 2004 model year that included a new platform, powertrains and radically different styling. The 550i received a larger V8 for 2006 and a name change in the process — it was previously called the 545i.
The 550i comes only as a sedan and with rear-wheel drive. Those looking for all-wheel drive must step down to the six-cylinder-powered 525xi or 530xi. A wagon variant is available only as the 530xi Sport Wagon.
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