KW DDC ECU Adaptive Coilovers BMW 1 Series F20/F21 M135i M140i xDrive AWD/4WD EDC 09/2012-on | Height Adjustable Lowering Suspension Kit | Electronic Dampers Adjustable Shocks | App/WiFi Ready | Chassis 1K2 1K4

Adaptive Damping Coilover Suspension for BMW F20 F21 M135i and M140i xDrive with factory electronic dampers

Give your 1 Series the handling it deserves with the KW DDC ECU adaptive coilover suspension. This electronically controlled, ride height adjustable shock and spring system transforms the way your BMW turns in, grips and rides on UK roads. Designed for the F20 and F21 M135i and M140i xDrive from 09 2012 onward, including chassis 1K2 and 1K4, it delivers daily comfort and serious fast road confidence with the stance to match.

Why this upgrade stands out

• Three selectable damping maps from the cabin button Comfort, Sport and Sport Plus for instant changes in character
• Optional Wi Fi module unlocks iOS app control to fine tune rebound and compression in real time
• Lowering range front 30 to 55 mm and rear 30 to 55 mm for a purposeful drop and improved centre of gravity
• Hard wearing trapezoidal threads and composite spring perches maintain smooth adjustability in UK weather
• Vehicle specific valving calibrated for the F20 F21 xDrive platform to exceed OE feel and control
• Engineered and manufactured in Germany for long term reliability and consistent performance

Fitment and key specs

• BMW 1 Series M135i and M140i F20 and F21 with 4 wheel drive and factory electronic dampers
• Model years 09 2012 onward
• Chassis codes 1K2 and 1K4

• Permitted front axle load 1001 to 1020 kg
• Permitted rear axle load up to 1120 kg
• Adjustable drop front 30 to 55 mm
• Adjustable drop rear 30 to 55 mm

Please confirm your axle loads before ordering to ensure the correct application for your vehicle.

How it drives

We have installed these kits on multiple customer M135i and M140i xDrive builds, and feedback has been outstanding. Expect tighter body control with reduced roll, squat and dive, sharper steering response and a composed ride on B roads. Comfort mode is perfect for commuting, Sport adds precision for spirited runs and Sport Plus tightens everything for track days and smooth tarmac. Switching settings from the cabin or via the app makes this system a brilliant all rounder for UK conditions.

What is included

• KW DDC ECU coilover kit matched springs and dampers for front and rear
• In cabin DDC selector button for mode changes
• Ride height adjustment within the tested range
• Detailed installation instructions
• Optional Wi Fi module available for smartphone control

Technology overview

KW Dynamic Damping Control ECU adds intelligent, electronically managed shock absorber control to your BMW. Choose your preferred preset from the supplied interior switch or personalise damping via the free iOS app when paired with the optional Wi Fi module. Tailor the balance of comfort and grip to suit weather, road surface and driving style without tools.

Quality and peace of mind

Every kit is built in Fichtenberg, Germany and tested to stringent standards that exceed OEM requirements. A multi year warranty is included as standard, with the possibility of extending to 5 years when fitted by an authorised KW partner, subject to KW terms.

Professional installation and alignment

For expert fitting, corner weighting and geometry setup, book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quotation and tailored advice for your M135i or M140i xDrive.

Important note

KW offers two DDC variants. DDC ECU with optional app control, as listed here, and DDC Plug and Play for selected vehicles. This product is the DDC ECU version.

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