Product details
OVERVIEW
The KW DDC (Dynamic Damping Control) ECU coilover suspension combines electronically adjustable dampers with full ride-height adjustability. A dedicated KW control unit gives three damping programs that can be changed on the move by button or smartphone app: Comfort, Sport for spirited driving, and Sport+ for a very sporty, performance-oriented setting.
Ride height is adjusted independently of the electronic damping, so stance and damper character are set separately. The struts use KW's inox-line stainless steel construction for corrosion resistance and long service life on the E88 1 Series Convertible.
SPECS
- KW DDC ECU electronically adjustable coilover suspension
- Three selectable damping programs: Comfort, Sport, Sport+
- Damping selectable on the fly by button or smartphone app
- Ride height: continuously adjustable within the ranges below
- Lowering range, front axle: 30–55 mm (1.2–2.2 in)
- Lowering range, rear axle: 25–50 mm (1.0–2.0 in)
- Strut construction: KW inox-line stainless steel
PARTS INCLUDED
- Complete DDC ECU coilover kit as supplied by KW, including the DDC control unit and wiring; see the installation instructions for the full bill of materials.
TECH RESOURCES
Additional Parts Required
- Four-wheel alignment. A full alignment is mandatory after installation and after any subsequent ride-height change.
- Professional installation. This kit combines suspension work with an electronic control unit installation and vehicle wiring; it should be fitted by a qualified shop.
- Control unit mounting and 12V wiring. The DDC ECU must be mounted and wired into the vehicle exactly as shown in KW's instructions.
- Tire-to-strut and fender clearance check. Verify clearance through full steering lock and suspension travel before driving, especially with aftermarket wheels, tires or spacers.
- Headlight leveling / ride-height sensor. Cars fitted with self-leveling xenon headlights carry a ride-height sensor link on the axle; it must be checked and re-indexed after lowering.
- Spring compressor and standard suspension service tools are supplied by the installer.
Installation
Notes
- KW lists order number 39020003 for the 1 Series Convertible, type 182 / 1C — the E88 body. E82 coupe models take a different KW order number. Please confirm your exact chassis and build date with Speed Logic before ordering.
PART NUMBER
- 39020003
VEHICLE APPLICATIONS
| Make | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | 135i Convertible | E88 | N54 3.0L Twin-Turbo I6 | 2008–2010 |
| BMW | 135i Convertible | E88 | N55 3.0L Turbo I6 | 2011–2013 |
| BMW | 135is Convertible | E88 | N55 3.0L Turbo I6 | 2013 |