KW DDC ECU Coilovers for BMW 1 Series M135i and M140i F20 F21 4WD with Electronic Dampers 09/12 onwards
Transform your BMW M135i or M140i with KW DDC ECU coilovers. This adaptive, height adjustable suspension upgrade delivers sharper handling, improved ride quality and a purposeful stance. Engineered in Germany and tailored for BMW 1 Series F20 and F21 4WD models with electronic dampers from 09/2012 onward, KW DDC ECU combines electronic damping control with the precision of a premium coilover kit. Perfect for road, fast road and weekend track use.
Why choose KW DDC ECU for your BMW M135i or M140i
- Adaptive electronic damping with three modes: Comfort, Sport and Sport+
- Included KW DDC multi selection cockpit button for instant mode changes
- Optional app control via WLAN module for iPhone, iPod touch and iPad
- Height adjustable lowering: Front 30 to 55 mm, Rear 30 to 55 mm
- Dirt resistant trapezoid threads and composite spring collars for long term adjustability
- Vehicle specific tuning developed and tested to surpass OEM quality standards
- KW technology made in Germany for durability, performance and reliability
Fitment and key data
Compatible with the following models and specifications:
- BMW 1 Series M135i and M140i F20 and F21
- 4WD models with electronic dampers
- Chassis codes: 1K2 and 1K4
- Model years from 09/2012 onwards
- Max allowed axle weight in kg - Front: 1001 to 1020
- Max allowed axle weight in kg - Rear: 1120
- Lowering range - Front: 30 to 55 mm
- Lowering range - Rear: 30 to 55 mm
Please verify your vehicle’s axle weights before ordering to ensure compatibility.
Real world results
We have fitted and used KW DDC ECU coilovers on customer M135i and M140i builds, and feedback has been excellent. Expect a noticeable reduction in body roll, sharper turn in and a composed, confident ride. Comfort mode is ideal for daily driving, Sport adds road feel and control, and Sport+ delivers track ready response. Switching between modes from the cockpit or via the app makes these coilovers a brilliant all round upgrade for UK roads and spirited drives.
How KW DDC ECU works
KW Dynamic Damping Control ECU adds intelligent, electronically controlled damping to your BMW. Use the supplied KW DDC multi selection button to choose Comfort, Sport or Sport+. Add the optional WLAN module to unlock the free KW DDC app and create personalised damping setups in real time without tools. The system lets you fine tune the balance of comfort and performance to suit roads, weather and driving style.
What you get
- KW DDC ECU coilover kit with vehicle specific springs and dampers
- KW DDC multi selection cockpit button
- Height adjustment within the tested range front and rear
- Comprehensive installation instructions
- Optional WLAN module available for app control
Quality and warranty
Each KW coilover kit is produced in Fichtenberg, Germany. Every application undergoes extensive stress testing and must meet KW’s strict standards to surpass OEM quality. Over 4600 applications come supported with a multi year warranty. A 5 year warranty is provided when the kit is installed at a KW specialist dealer.
Professional fitting and setup
For expert installation and alignment, we recommend professional fitting by Nforcd in Warwickshire. Email Sales@nforcd.com to request a fitting quote and setup advice tailored to your BMW 1 Series M135i or M140i.
Notes
KW DDC is available in two versions: DDC ECU with optional app control and DDC Plug and Play for selected vehicles with factory adaptive suspension. This listing is for the DDC ECU version.
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