This striking silver 2006 Alpina Z4 Roadster S is a rare and desirable two-seater that definitely offers enthusiasts something a bit different.

Number 297 of just 370 built (as recorded by a plaque inside), it was supplied new by Sytner, and is finished in Titanium Silver with black mohair soft-top plus a black leather interior with stitching in the Alpina colours of blue and green.

Bespoke Alpina features include the seats, steering wheel, carpets, door sills and blue instrument dials.

Outside, it has 19-inch alloy wheels in Alpina’s trademark deign, plus front and rear spoiler and, underneath, bespoke suspension.

‘FJ06JJY’ comes with all the original handbooks, service schedules, spare key, locking wheel nut, warning triangle and a comprehensive file of maintenance documents and invoices.

It has evidence of being serviced almost annually since 2006.

The most recent service and MOT was in April 2024.

The vendor describes the hand-built engine, which has an Alpina-specific crank...