2018 BMW Alpina B4 S Offers More Power Than the M4
Like the standard BMW 4 Series, Alpina has given its B4 an update.
Now called the BMW Alpina B4 S Bi-Turbo, it offers 440 horsepower and 487 pound-feet of torque, beating out the standard BMW M4 that has 425 hp and 406 lb-ft. The BMW M4 however can be had with a Competition Package that boosts power to 444 hp.
Power for the B4 comes from a revised 3.0-liter straight-six turbocharged engine paired to a revamped eight-speed Sport-Automatic transmission with Alpina Switch-Tronic technology to deliver impressive dynamics and maximum comfort.
As part of the latest update, the exterior of the Alpina B4 S Bi-Turbo receives new front and rear aprons with chrome accents. Now standard are new LED headlights and fog lights while the rear tail light cluster has been redesigned with LEDs.
SEE ALSO: 2017 BMW Alpina B7 Review
Like previous B4 models, the 2018 Alpina B4 S Bi-Turbo is available in a coupe or convertible and both offer the same amount of performance. The coupe however, does the zero-to-62 mph (0-100 km/h) sprint in 4.2 seconds, while the convertible is a tick slower at 4.3 seconds.
Suspension on the Alpina models are also different compared to the standard BMW offerings. The adaptive Alpina sports suspension features electronically adjustable dampers with springs, combined with auxiliary springs and anti-roll bars.
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Jason Siu began his career in automotive journalism in 2003 with Modified Magazine, a property previously held by VerticalScope. As the West Coast Editor, he played a pivotal role while also extending his expertise to Modified Luxury & Exotics and Modified Mustangs. Beyond his editorial work, Jason authored two notable Cartech books. His tenure at AutoGuide.com saw him immersed in the daily news cycle, yet his passion for hands-on evaluation led him to focus on testing and product reviews, offering well-rounded recommendations to AutoGuide readers. Currently, as the Content Director for VerticalScope, Jason spearheads the content strategy for an array of online publications, a role that has him at the helm of ensuring quality and consistency across the board.
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