Quote:
Originally Posted by signit98
You can do the twinmax for the under-load-above-idle settings... but the idle is controlled by stepper motors (another idiotic BMW adaptation on bikes) and you can't do that manually...
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Guzzis also control idle with stepper motors and mine was way too high (2,000 or so) until I did a TPS reset. For Guzzis and Ducatis, one can download free software (ducatidiag) and buy the connectors on ebay to do the TPS reset yourself. Is there no such software out there for BMWs?
Some also say that the charcoal cannisters and/or bad venting valve from the fuel tank can cause idling speed issues when a stepper motor is part of the equation.