CHASE <CMB> BUYS BORG-WARNER <BOR> UNIT Chase Manhattan Corp said Chase Trans-Info, a subsidiary of its Chase Manhattan Bank N.A. unit, has bought Borg-Warner Corp's Traffic Services business, including an Illinois processing center, for an undisclosed sum. Borg Warner Traffic Services provides freight bill pre-audit, payment and information services to industry through Borg-Warner Acceptance Corp. Chase Trans-Info, which offers similar services, is now the largest provider of information services for the transportation industry.