The Luxury model had Bluetooth phone connectivity, DVD satellite navigation and Xenon headlamps.

The optional Sport pack added a thicker anti-rollbar and increased the front negative camber by 1 degree.

[4] Modifications to the engine include an Alpina specific cylinder head, crankshaft and high strength MAHLE pistons.

The decision to replace the automatic transmission was primarily made to make the car more engaging to drive.

The exterior changes include a front chin spoiler with Alpina lettering, a three piece rear lip spoiler, 18-inch Alpina Dynamic alloy wheels (4 set of spokes in a 5 spoke design; 19-inch wheels in the Luxury trim) wrapped in Michelin Pilot Sport tyres measuring 235/35 R19 on the front and 265/30 R19 on the rear and "Roadster S" badging at the rear and "3.4 S" badging on the front quarter-panels.

Europe production for the Roadster S was carried out for only two years (in 2004 and 2005) with 370 cars built in total, 167 of which were right-hand-drive for the UK market.