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2020 BMW M340i: A hotter, but not hottest 3 Series sedan

A more powerful I6 engine and chassis improvements in the M340i amp up BMW's new 3 Series sedan.

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Jon Wong

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Following up the arrival of the new 330i sedan for 2019, BMW is following that up with a slightly more performance oriented M340i for 2020. 

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Unlike the base 330i that uses a turbocharged I4, the M340i employs a 3.0-liter turbocharged I6 making 382 horsepower and 369 pound-feet of torque.

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The engine works exclusively with an eight-speed automatic transmission.

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According to BMW, the 2020 M340i can get to 60 mph in 4.4 seconds.

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To improve handling, the M340i receives stiffer springs, thicker antiroll bars, more wheel camber, and a torque vectoring rear differential. 

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A bigger M brake package is also standard on the M340i.

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With optional adaptive shocks and 19-inch Michelin Pilot Sport 4S tires, the M340i's reflexes are a notch above the likes of the Audi S4, Infiniti Q50, and Mercedes-AMG C43.

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Visually setting the M340i apart from the standard 330i, it gets more aggressive bumpers, a gray-painted grille surround, trunk lip spoiler, and split-spoke wheels.

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The interior enjoys standard sport seats, an M leather steering wheel, and aluminum trim.

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The 2020 BMW M340i begins at $54,000, not including $995 for destination.

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