F30 320d xdrive engine chain noise at cold start

About BMW

Bayerische Motoren Werke Aktiengesellschaft (BMW AG), trading as BMW Group (commonly abbreviated to BMW (German pronunciation: [ˌbeːʔɛmˈveː] ), sometimes anglicised as Bavarian Motor Works), is a German multinational conglomerate manufacturer of luxury vehicles and motorcycles headquartered in Munich, Germany. The moniker, "BMW ", first came into use when the German firm Rapp Motorenwerke changed its name to Bayerische Motoren Werke GmbH (BMW GmbH) in 1917. Thereafter, in 1922, the name and asse...