H&R 05-11 BMW 645Ci Convertible/650i Convertible E64 Sport Spring Exterior Styling>Diffusers 1-5/8" 16-gauge 304 stainless steel

1-5/8" 16-gauge 304 stainless steel tubing construction for unrestrictive flow resulting in more aggressive throttle response and increased passing power

Air Lift looked to eliminate that hassle with WirelessOne

while (PN 11802) delivers the aggressive Borla(r) ATAK(r) sound

The Factory Race Series shocks also stay cool by utilizing a Recirculating Reservoir Bridge

BMRs DSL110 Driveshaft Safety Loop bolts-on using OE mounting holes from the factory transmission crossmember

H&R 05-11 BMW 645Ci Convertible/650i Convertible E64 Sport Spring Exterior Styling>Diffusers 1-5/8" 16-gauge 304 stainless steelSport 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