H&R 04-11 BMW 645Ci Coupe/650i Coupe E63 Sport Spring (w/Dynamic Drive/Non Convertible) Suspension>Strut Bars delivering an even bigger dose

delivering an even bigger dose of 4

shocks and brake lines

non-oiled OE replacement performance filter has outflowed the stock filter by up to 42% for improved horsepower and torque

The Gibson MWA round race Muffler delivers Maximum Sound and the Best Muffler Flow PERIOD in a 5

This momentum intake system features a unique looped tube engineered to improve low end torque

H&R 04-11 BMW 645Ci Coupe/650i Coupe E63 Sport Spring (w/Dynamic Drive/Non Convertible) Suspension>Strut Bars delivering an even bigger doseSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's