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Alpina B4 S 2017 UK review

By September 25, 2017Uncategorized


Alpina B4 S

Our first UK drive in Alpina’s more potent sports coupé emphasises the breadth of ability on offer from this Bavarian alternative

If you’re in the market for a fast, luxurious coupé with more than 400bhp, you’ve likely considered the Mercedes-AMG C63, Audi RS5 and BMW M4. But for a touch of added exclusivity, you might want to consider an Alpina B4 S Biturbo.The B4 S, which supersedes the old B4, is based on the same straight-six-powered platform as the M4, which has then undergone extensive technical and aesthetic adjustments, as per Alpina’s traditions. It means the car is a more potent but less focused alternative to its BMW counterpart.Under its svelte bonnet is a 3.0-litre six based on the N55 block of the M3/M4, but it uses twin turbochargers that are 10% larger, a water-cooling system that’s 20% bigger and an uprated oil cooler of 35% larger capacity. The engine spins a lighter crank that’s made from forged steel, too.Maximum power output for the Alpina-fettled N55 peaks at 434bhp at 5500-6250rpm and torque reaches 487lb ft at 3000rpm. Those figures are 9bhp and 81lb ft more than the M4, although the B4 S, which only comes with an eight-speed automatic, is 90kg heavier than the auto BMW. Still, that added torque helps the Alpina to accelerate from zero to 62mph in 4.2sec, a tenth quicker than the M4.Under the bonnet is where the technical improvements for the B4 S over the B4 end, though: Alpina has stuck with the same suspension settings, meaning it sits on slightly less aggressive springs and dampers than its cousin from BMW’s M division.As before, the B4 S gets BMW Professional infotainment as standard, which adds a widescreen sat-nav and all-round parking sensors. The car’s seats also come wrapped in Dakota leather at no extra cost, although the car you see here features Merino leather, a £1285 option.


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Nearly 30 years motor trade experience, having spent 18 years with Renault Retail Group at Renault Manchester. Started out as a salesman, then Used car manager and eventually a short spell as General Sales Manager. Decided to go it alone in 2013 and have been at my current site on Chorley Road, Swinton, M27 9RH since October 2016. I will do my utmost to help you with any motoring needs, whether it's sourcing your ideal car, buying your current car from you or just a little helpful information about cars in general, just get in touch?

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