How do you turn off engine light on a 1985 bmw 528e?

To turn off the engine light on a 1985 BMW 528e, you can start by checking for any trouble codes using a diagnostic tool or by jumping the diagnostic connector. If you identify and fix the underlying issue, the light should turn off automatically after a few driving cycles. Additionally, you can disconnect the battery for a few minutes to reset the system, but this won't address any underlying problems. Always ensure that any issues are resolved to prevent the light from reappearing.