Side impact air bag sensor, Bosch part # 0285002064. From a 2001 BMW 330i, fits most 3-series cars 2000-2007 plus maybe others.
I will not answer fitment questions - do your own research!
Two available - $15 each or best offer.
Located near Carleton Place. No shipping. Local pick-up or meet in west Ottawa / Kanata / Stittsville.