• This will prevent the car from starting and causing injury while you are working.
2. Locate the oxygen sensor
* The oxygen sensor on a 1996 BMW 328is is located on the exhaust manifold, near the cylinder head.
* The oxygen sensor is a small, cylindrical device with a wire coming out of it.
3. Remove the oxygen sensor
To do this, you will need to use a wrench to loosen the nut that holds the sensor in place.
4. Replace the oxygen sensor
- Screw in the new oxygen sensor by hand until it is tight.
- Then, use the wrench to tighten the nut that holds the sensor in place.
5. Reconnect the negative battery terminal
• This will allow the car to start again.