Bilstein B4 OE Replacement (DampTronic) dampers are direct OE replacements for the electronically adjustable dampers found on many European brand vehicles. Bilstein B4 OE Replacement (DampTronic) dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. Bilstein B4 OE Replacement (DampTronic) dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world-famous Bilstein quality. BMW 745i 2005-2002; 745Li 2005-2002; Alpina B7 2008-2007 BMW 745i 2005-2002, 745Li 2005-2002, 750i 2006, 750Li 2006, 760i 2006-2004, 760Li 2007-2003, Alpina B7 2008-2007