Why Create a Wish List?
- Save products for future purchase
- Organize by vehicle or job type
- Share Wish Lists with your friends
2009 BMW 4 Series is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your 4 Series. We have 2668 Suspension Parts available for your 2009 4 Series all priced at lowest possible price backed by FREE SHIPPING.
We price match competitors ... Shop with confidence.
Bilstein B6 Performance (DampTronic) dampers are a performance upgrade to OE dampers designed to be paired with OE factory springs. All of the active features of the factory electronic suspension; along with the factory controls; will be retained with the installation of these dampers. Each damper is rigorously tested for quality that meets or exceeds OE standards and features application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. B6 Performance (DampTronic) dampers will deliver improved safety and handling performance in a package compatible with factory electronic damping control.
Bilstein B16 (PSS10) suspension kits feature ride height adjustability with 10-stage manually adjustable dampers in an OE quality; direct fit package. The 10-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you the flexibility to find the perfect ride height setting for your intended use while providing unsurpassed protection against the harshest road elements. B16 (PSS10) suspension kits are made in Germany and feature technology tested on the famed Nurburgring.
Bilstein B14 (PSS) suspension kits feature ride height adjustability in an OE quality; direct fit package. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you the flexibility to find the perfect ride height setting for your intended use while providing unsurpassed protection against the harshest road elements. B14 (PSS) suspension kits are made in Germany and feature technology tested on the famed Nurburgring.
H&R Street Performance Coilovers lowers your vehicle front by .60" - 1.6" and rear by 1.0" - 2.2"
H&R Sport Springs lowers your vehicle front by 0.6" and rear by 0.5"
H&R Sport Springs lowers your vehicle front by 1.2" and rear by 1.2"
H&R Super Race Springs lowers your vehicle front by 1.1" and rear by 0.75"
H&R Sport Springs lowers your vehicle front by 1" and rear by 0.75"
Bilstein B6 Performance (DampTronic) dampers are a performance upgrade to OE dampers designed to be paired with OE factory springs. All of the active features of the factory electronic suspension; along with the factory controls; will be retained with the installation of these dampers. Each damper is rigorously tested for quality that meets or exceeds OE standards and features application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. B6 Performance (DampTronic) dampers will deliver improved safety and handling performance in a package compatible with factory electronic damping control.
Bilstein B14 (PSS) suspension kits feature ride height adjustability in an OE quality; direct fit package. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you the flexibility to find the perfect ride height setting for your intended use while providing unsurpassed protection against the harshest road elements. B14 (PSS) suspension kits are made in Germany and feature technology tested on the famed Nurburgring.
Bilstein B6 Performance (DampTronic) dampers are a performance upgrade to OE dampers designed to be paired with OE factory springs. All of the active features of the factory electronic suspension; along with the factory controls; will be retained with the installation of these dampers. Each damper is rigorously tested for quality that meets or exceeds OE standards and features application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. B6 Performance (DampTronic) dampers will deliver improved safety and handling performance in a package compatible with factory electronic damping control.
The Bilstein B16 (PSS10) suspension kit is the ultimate race inspired suspension system, delivering unsurpassed driving performance in any situation. This suspension kit puts you in complete control, providing the kind of precise suspension tuning formerly available only on race cars. From a weekend of competition to daily driving, this system provides perfect handling performance for every situation. The manually adjustable damping mono-tube gas shock absorbers feature 10-stage precise compression and rebound settings, from comfort to competition. The Bilstein B16 (PSS10) suspension kit utilizes debris resistant round threads on these dampers to ensure spring adjustment remains effortless throughout the life of the kit. The surface is coated with Triple-C-Technology coating to ensure long lasting resistance to corrosion and flashy good looks.
Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality.
The Bilstein B16 (ridecontrol) suspension kit has an exciting new feature: the Bilstein B1 (iRC) active suspension control module, a smart phone adjustable suspension system. The Bilstein B1 (iRC) active suspension control module allows your suspension to adapt to any type of driving situation automatically. When set to Auto mode, the three-axis acceleration sensor reads vehicle speed and adjusts suspension damping in real time. From bumpy uneven roads to smooth high speed cornering, the Bilstein B1 (iRC) active suspension control module will deliver the best in comfort and performance. In addition to two fixed modes from Bilstein (Comfort and Sport) this new system allows users to create, save and share their own custom damping settings via a smartphone. In Auto mode three adjustable settings become available (Comfort, Normal and Sport). Each one can be custom tuned to the users individual demands.