MANUAL WORKSHOP SERVICE REPAIR MANUAL PDF

BMW 525i FACTORY SERVICE REPAIR MANUAL FSM 1990 1991 1992 1993 1994 1995 1996 ONLINE DOWNLOAD

BMW 525i - 2.5 L M50B25 I6 192 PS (141 kW; 189 hp)


The 525i was built throughout the E34 production, and in 1992 was offered as a wagon (touring version) in the USA. In June 1990 (1991MY), the engine was switched from the single overhead cam M20 engine to the double overhead cam M50B25 engine, raising power from 170 to 192 horsepower (141 kW). Also, fuel economy by ten percent, and a change from a timing belt to a timing chain improved reliability. A further revision of the 525i engine took place in 1993, when VANOS was added to the M50 engine which was designated the M50TU. The TU represents a Technical Update, reflecting the variable valve timing technology (VANOS) added to the intake camshaf...