BorgWarner to buy Chinese electric motor business as headwinds hit Q4 bottom line BorgWarner to buy Chinese electric motor business as headwinds hit Q4 bottom line February 15, 2022 dzadmin Comments 0 Comment BorgWarner’s fourth-quarter revenue fell 7 percent from a year ago to $3.65 billion, while adjusted operating income plunged 16 percent to $375 million.