Description
The value of KW DDC on a 2009–2016 Audi A4/S4 (8K/B8 | quattro, Sedan, S4) is not just the change in stance; it is the ability to place the chassis in a more controlled operating window for the way the car is actually driven.
KW DDC combines electronically controlled damping with adjustable ride height, giving the vehicle multiple suspension behaviors without relying on manual damper knobs. The exact control strategy depends on the application and whether the kit is a Plug & Play or ECU-controlled configuration. On a compact performance platform, the payoff is sharper transient response and a more settled chassis as tire grip and cornering load increase.
Why Choose the KW DDC for This Application?
Choose DDC when electronically switchable damping is part of the desired setup. It is especially compelling for a street-driven performance car that must cover very different road and driving conditions.
Key Features
- Electronically controlled damping
- Adjustable ride height
- Application-specific electronic integration
- Matched KW springs and adaptive dampers
Vehicle Fitment
- Make: Audi
- Application: A4, S4 (8K/B8)
- Configuration: Sedan Quattro
- KW Jobber Model Years: 09-16
- KW Part Number: 39010022
Technical Specifications
- Front Height Adjustment: 25-55 mm (1.0-2.2 in)
- Rear Height Adjustment: 25-50 mm (1.0-2.0 in)
- Electronic Damper System: DDC ECU
Enthusiast Setup Perspective
A good installation should leave enough travel for the road or circuit being used. Chasing maximum lowering at the expense of bump travel can work against the very grip and control this system is intended to provide. For a road-driven car, preserving usable bump travel and sensible alignment is usually more important than using the full available lowering range.
Important KW Fitment Notes
- KW Note 2: Height adjustable front and rear axles (front axle threaded strut housings, rear axle adjustable springs + dampers)
- KW Note 37: For cars which have electronic dampers, make sure they are shut down. Specific electronical damper shut-downs are available from KW. Please check our accessories list
Fitment note: Specifications above are tied to the exact KW part number shown and the application data in the supplied KW jobber sheet. Confirm the vehicle's drivetrain, factory electronic suspension, axle weight and any listed hardware requirements before ordering.