BMW is the German manufacturer Bayerische Motoren Werke AG (otherwise known as Bavarian Motor Works). It may also refer to other parts of the company:

THE BMW ACTIVE CRUISE CONTROL ACC
遮不住的激情 BMW 335i CONVERTIBLE
Honestly, why are you driving a BMW?
Strategic Planning of BMW's Global Production Network
Potentials of the Spray-Guided BMW DI Combustion System
Active Steering - The BMW Approach Towards Modern Steering Technology
Porsche Takes on Mercedes and BMW with New Pounds 70,000 Saloon
Selecting R&D projects at BMW: a case study of adopting mathematical programming models
There Are Many Reasons to Drive a BMW: Does Imagined Ease of Argument Generation Influence Attitudes?
Prediction of household and commercial BMW generation according to socio-economic and other factors for the Dublin region