The BMW ALPINA D4 Bi-Turbo Coupé leads the way in the segment of sporty and luxurious two-door vehicles with diesel engines. It combines impressive power and torque with unrivalled driving culture and exceptional efficiency. The 3-litre six cylinder Bi-Turbo diesel engine is perfectly matched to the 8-speed sport automatic transmission and makes for impressive performance figures.
The introduction of a BMW ALPINA Convertible powered by a diesel engine represents a first in the history of ALPINA which goes back almost 50 years. Smooth power delivery, generous torque reserves and excellent refinement makes the powerful 3-litre six cylinder Bi-Turbo diesel engine ideally suited to the versatile BMW 4 Series Convertible with folding metal roof.