Key in Pos II. Engine off. Wait about 45-50 seconds. If you leave the hood open and step out of the car while the key is in Pos II, after about 35 sec or so you should hear the valvetronics whirring and resetting.

The more orthodox method is to reset them with GT1 or similar.

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Stable: e92is, e46 M54B25, e83 N52, e53 N62 - sold, e39 M54B30 R.I.P.