Alpina B5 Biturbo gets 600bhp BMW V8, £89,000 price tag

2017 Alpina B5 saloon

Alpina’s hot petrol 5 Series will be joined by a 400bhp D5 version based on the BMW 550d

The new Alpina B5 Biturbo, which is powered by a 600bhp twin-turbocharged petrol V8, is priced from £89,000 in the UK.

First deliveries of the B5 Biturbo will take place in March, with the saloon priced from £89,000 and the Touring estate from £91,000. Single-digit numbers are expected, but there’s no limit on production. A larger number of the more frugal D5 diesel is expected.

Both saloon and Touring versions of the hot petrol 5 Series variant use BMW’s 4.4-litre unit, which outputs 590lb ft of torque. The B5 Biturbo accelerates from 0-62mph in 3.4sec and tops out at 204mph.

That performance ranks it slightly above the new BMW M5, which produces 592bhp, accelerates from 0-62mph in 4.2sec and has a top speed of 190mph. 

BMW won’t be producing an M5 Touring, so the B5 Touring will be the hottest estate on offer in the 5 Series range. It has been given upgraded twin-scroll turbochargers nestled between the cylinder banks, as well as upgraded airflow, intercoolers and brakes. 

Rear-wheel steering is used, allowing the car to turn the rear wheels up to an angle of 2.5deg, and a mechanical limited-slip differential is a £2500 option. 

The standard B5 Biturbo saloon achieves 26.9mpg and emits 240g/km CO2, while the B5 Touring returns 26.2mpg and 247g/km.

The diesel D5 will also be available as a saloon or estate and will most likely have a turbocharged straight-six engine with around 400bhp and 600lb ft. The unit will be a developed version of the six-cylinder powerplant used in the BMW 550d, which produces 395bhp and 560lb ft.

The D5 is expected to have a 0-62mph time of less than 5.0sec and official combined fuel economy of around 50mpg.

Both the B5 and D5 have Alpina’s own exterior styling and familiar multi-spoke wheels. Performance-honed suspension and gearbox settings will also give the two hot Touring models sharper responses than BMW’s regular estates.

UK pricing is yet to be confirmed for the D5, but a figure of around £60,000 is expected.

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Source: Autocar Online

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