BMW last used the 's' for the E36 325is, which ceased production in 1995. Revived for the 335is, the letter indicates a sport-tuned version of the 335i that along with more horsepower, gets the option of BMW's seven-speed dual-clutch transmission, an option not available in the 335i.

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Cosmetically, the 335is only shows minor changes from the 335i. Its gloss black grille inserts and mirror caps distinguish the 335is, along with black exhaust tips.

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The 335is' twin-turbocharged 3-liter inline six-cylinder engine generates 320 horsepower and 317 pound-feet of torque. This engine is a holdover from the 2010 BMW 335i--the 2011 335i gets a slightly different engine.

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BMW only sells the 335is in coupe form, whereas you can get the 335i as a sedan or convertible. Although a sunroof comes standard, that feature can be deleted.

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The 335is comes standard with some M accessories, including a gearshift knob and these star pattern wheels.

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The 335is has a tight, sport-tuned suspension that makes for a rougher ride than that in the 335i. But the handling is excellent, especially with traction control set to dynamic.

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Beyond the M accessories and special badging, the 335is' interior is identical to that of the 335i.

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The 3334is includes an M steering wheel.

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The tachometer gets a 335is badge.

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The standard six-speed-manual transmission has different gear ratios than the manual transmission found in the 335i.

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The iDrive interface uses this list format for choosing different application areas.

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With its hard drive-based navigation system, the maps are stunning in their detail.

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The navigation system includes traffic data, and will dynamically route around problems.

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The Bluetooth phone system has a phonebook function that downloads a paired phone's contact list. And its voice command system lets you dial by name.

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This iPod interface is poorly constructed, as each category serves as a filter. Choose an artist, and the album category will only show albums by the previously selected artist, not something you want to mess with while driving.

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The audio system also lets you rip CDs to the car's hard drive.

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We were very pleased with the Harman Kardon audio system. It is a very worthwhile option for this car.

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This park distance heat map is the only driver assistance feature on the car. You can't get blind spot detection or adaptive cruise control in the 335is.

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