Bilstein B8 2004 BMW 645Ci Base Rear 46mm Monotube Shock Absorber

If you're looking to get the most out of your 2004-2005 BMW 645Ci, especially when paired with lowering springs, this Bilstein B8 Performance Plus rear shock absorber is a solid choice. It's built to work with sport suspensions and aftermarket lowering kits, giving your car a sportier feel without sacrificing too much comfort. This shock absorber is designed to bring out the best handling performance from your vehicle.

Bilstein uses a monotube design for these dampers, which helps with heat dissipation and consistent performance, even during spirited driving. Each unit is rigorously tested to meet or exceed original equipment standards, so you know you're getting a well-built part. The vehicle-specific tuning means it's calibrated to work precisely with your 645Ci, enhancing safety and performance when you've changed your springs for a lower stance.