The B3 S was available in coupé, saloon, convertible and station wagon body styles.

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

The comforts options offered by BMW were included as standard in the interior.

The exterior changes include a front chin spoiler, 18-inch Alpina alloy wheels wrapped in Michelin Pilot Sport tyres measuring 225/40 R18 on the front and 255/35 R18 on the rear, and "B3 S" badging at the rear.

Changes to the suspension system consisted of Alpina specific dampers and Eibach springs with no other major changes.