Bilstein B4 OE Replacement-Suspension Strut Assembly (22-111777) 1765 3000405 is a performance street

3000405 is a performance street disc and the most popular disc purchased

The galvanized coilover struts are

These exhaust systems are built to order

Approximately 14 HP and 11 ft-lbs torque increase on stock E46 M3

Bilstein B4 OE Replacement-Suspension Strut Assembly (22-111777) 1765 3000405 is a performance streetBilstein 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. Notes: It's recommended to replace shock or strut in pairs (passenger and driver side at