You need a scan tool to plug into OBD port
reset service engine light on BMW 325
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
Check out the realted link for some advice on how to reset the computer in your 2003 BMW 325I computer.
Have vehicle scanned to determine the problem (usually in the emission control system) and have codes cleared
you may need to replace the sensor for the coolant, there should be a wire connected to it.
To reset the disc brake warning light on a 2004 BMW 325i, you typically need to use a diagnostic tool or follow a manual reset procedure. If you have a diagnostic scanner, connect it to the OBD-II port and clear the fault codes. Alternatively, you can turn the ignition to the "on" position without starting the engine, then press the brake pedal three times. If the light persists, ensure that the brake pads are properly installed and that the brake fluid level is adequate.
Check the car manual, it has all the stetps. On i-drive veicles go to menu settings- info- reset TPM (tire pressure managment)
The brake warning light on a 2005 BMW 325i can be reset by connecting an OBD II code reader. It can view and clear error codes detected by the computer.
The Brake Wear Indicator Light means your brakes are malfunctioning, worn out, or low on fluid and you need to get them fixed. If the indicator is caused be worn pads, then the wear sensor has worn through and must be replaced - it's not repairable. After the problem has been corrected, reset the indicator by turning the ignition key to position #2 (just before engine start position) but do not start the engine and wait for less than 60 seconds. The on-board computer will automatically check the sensor condition and reset the indicator if no fault exists. (Note that starting the car and even driving it may not allow the indicator to reset.)
To reset the security system on a 1995 BMW 325i, first ensure that the car is in the "Off" position. Insert the key into the ignition and turn it to the "On" position without starting the engine. Leave it in this position for about 10-15 minutes to allow the system to reset. If the problem persists, consult the owner's manual or a professional mechanic for further assistance.