Bilstein B4 2004 BMW 525i Base Front Twintube Strut Assembly Dodge-Sprinter-3500-2005 2014-2020 BMW 4 series (F33/F36)

2014-2020 BMW 4 series (F33/F36) 428i 430i

45 lbs vs 25

aggressive tone in the mid-range by replacing the forward resonator with a straight pipe section

or full de-cat for optimum performance

Bilstein B4 2004 BMW 525i Base Front Twintube Strut Assembly Dodge-Sprinter-3500-2005 2014-2020 BMW 4 series (F33/F36)Bilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These 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. This Part Fits: Year Make Model Submodel 2004 2007 BMW 525i Base 2008 2010 BMW 528i Base