This desirable 2006 BMW Alpina B5 is a well-presented example of an extremely rare car that is being offered at No Reserve.

The discreet alternative to the E60 BMW M5, its supercharged 4.4-litre V8 has bombastic pulling power thanks to its incredible torque, plus electrifying performance from its 500bhp output.

Using a ZF automatic gearbox rather than BMW’s jerky SMG semi-auto means it is often a nicer car to drive.

It really is a car for knowledgeable enthusiasts – and this example, with a full service history mainly from BMW dealers and specialists, is particularly tempting.

‘FJ05NGF’ benefits from a rebuilt supercharger, offering reassurance to the new owner, and had a gearbox oil service a year ago.

It also has upgraded M5 brake discs and a steel-plated engine tray.

The engine, transmission and electrics are described as being in ‘good’ condition, with ‘average’ bodywork, paintwork and interior, and an odometer reading around 153,000 miles.

The vendor, an Alpina enthusiast, ...