Michael SimariAutomotive and Motive force
As a substitute of subjecting the X7 SUV to its complete M remedy, BMW defers the go-fast paintings to longstanding tuning spouse Alpina, which is answerable for the range-topping 612-hp 2021 XB7. As with the 7-series sedan and its B7 Alpina variant, the result’s an impressively tough and delicate system that we would argue works higher than a theoretical X7 M would.
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The BMW Alpina XB7 sits atop the X7 lineup and prices $142,295 to start out.
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The XB7 is in line with the X7 M50i mannequin, which includes a twin-turbo 4.4-liter V-8, eight-speed automated transmission, and same old all-wheel power.
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2021 BMW Alpina XB7Alpina updates the XB7’s engine with better turbochargers, a brand new lively exhaust device, and extra cooling capability. The result’s a bump from 523 horsepower to 612 with torque hiking from 553 to 590 pound-feet.
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Our 5864-pound XB7 check automotive ran to 60 mph in 3.7 seconds, which is 0.4 2nd faster than the M50i mannequin and simplest 0.1 2nd in the back of the Alpina’s closest rival, the 603-hp Mercedes-AMG GLS63.
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With its non-compulsory 23-inch wheels shod with Pirelli P 0 PZ4 summer season tires, our XB7 caught to the skidpad with 0.92 g of grip and stopped from 70 mph in a trim 149 toes.
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In spite of its gigantic wheels and thin-sidewall tires, our check truck rode commendably smartly over Michigan’s poorly maintained roads.
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Not like BMW’s high-performance complete M fashions, Alpina’s variations have a tendency to be in a similar fashion fast but fairly softer and extra sumptuous in personality.
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Our preliminary XB7 check automotive exhibited some extraordinary bucking motions whilst orbiting the skidpad at its grip prohibit, which Alpina made up our minds was once the results of the car’s computer systems pondering a rollover was once impending and directing the suspension and brakes to overcorrect. Alpina has determined in opposition to revising its instrument because the prerequisites have been so unusual that drivers will most probably by no means come upon it. Alternatively, our check car did showcase some equivalent suspension motions when unexpectedly circling a freeway front ramp.
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External adjustments for the XB7 are refined. Except for model-specific 21- or 23-inch wheels, those come with a brand new entrance bumper with a deeper entrance air dam and ALPINA lettering, plus a revised rear bumper housing 4 massive exhaust pipes.
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The XB7’s inner is most commonly the similar as that of lesser X7s, except for for some Alpina badges, a revised instrument-cluster show, and a transfer from paddle shifters at the again of the guidance wheel to the tuner’s trademark shift buttons.
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