Alpina GB, part of Sytner Group, has enhanced the standard equipment level and cut the price of its BMW-approved Roadster S.

The 300bhp convertible, based on the Z4, now has climate control, Alpina leather upholstery, 19in alloy wheels, CD autochanger, cruise control and parking sensors.

It retails from £37,850 (high-spec Lux version is now down to £39,850 from £42,850) and can be ordered from Alpina GB via any BMW dealership. Alpina GB expects to sell 70 cars this year.