How can I reset the Check Engine light on a BMW E30 1988 325?

A year ago, I changed the catalytic converter after a smog test failure. After, it passed with flying colors. Check engine light flashes in a sequence of %26quot;flash, flash, on%26quot; after using the ignition key method (this means it needs an oxygen sensor). I replaced the oxygen sensor; however, the check engine light continues to give the %26quot;replace oxygen sensor code.%26quot; Is there a way to reset the CE light without going to the dealer? I hear that if I disconnect the terminals of the battery for a lapse, it will re-learn its sensor values, and reset, is this true?How can I reset the Check Engine light on a BMW E30 1988 325?Get a code reader and reset tool from Peake Research. They sell them direct, or check online for other BMW specialist resellers who often offer them at a discount. It'll provide easier to read code reading than the %26quot;stomp test%26quot; method, and you can reset the lights, too.



Be sure to see the link about connector types, and check your car so you buy the right one.How can I reset the Check Engine light on a BMW E30 1988 325?CHECK ENGINE LIGHT 1988 BMW 325i Convertible. put the ignition key into the ignition tumbler; crank the engine to start and immediately turn off the key; do this 5 times real fast to reset the %26quot;PCM%26quot; computer short for power train control module. Sometimes called the ECM Electronic Control Module.

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How can I reset the Check Engine light on a BMW E30 1988 325?Unplug the battery for about 15 minutes and it should reset, if not. Unplug it longer, I've never seen it not work before. Hope this helpsHow can I reset the Check Engine light on a BMW E30 1988 325?Yes, you can reset the Check Engine light by disconnecting the battery. However, if the car has a hard failure, the problem should turn on the Check Engine light again. There is a PEAKE R-5 Resetting tool for BMWs that plugs into the diagnostic connector. Plug the tool into the Diagnostic Connector and press the switch to watch the ready and reset lights count down. 7 flashes means its time for an OIL SERVICE, ~ 23 flashes means its time for BMW inspection.How can I reset the Check Engine light on a BMW E30 1988 325?I unplug mine for 2 or 3 minutes and it works but be aware by doing this excesifuly it damages the electronics