You need a scan tool to plug into OBD port
reset service engine light on BMW 325
The oil pressure sensor on a 2004 BMW 325i is located on the bottom, right side of the engine. It is screwed into the block and has an output wire which sends information to the computer.
Reset inspection light on 1989 bmw 325i
The brake pad sensor light is reset by leaving the key on engine off for about 20sec. If it does not reset retry, if it still does not reset check the wiring of the left front and right rear pad sensors
If you asking about the engine type, the 325i is a straight-six not a V4.
The engine control module on a 95' BMW 325i can be found on the transmission. The transmission is under the hood, near the engine.
Probably the Thermostat has corroded and jamed. Or the ceramic pipe joins behind the engine are cracked. I would check these.
No
Yes
fault brake light switch, located at the top of the brake pedal.
it has chain