This Wi-Fi Module for the KW DDC ECU adds full wireless control functionality to the KW ECU.In addition to the three pre-set modes KW supply the ECU with you this modules offers full control via your iPhone or android device.This opens up a world of fine tuning options.You can tune damper settings per axle. The app allows for a full range of adjustment running right from the softest setting (equivalent to Street Comfort coilovers) right through to the stiffest setting (somewhere around Stainless Version 3 stiffness) on a single percentage basis.You can then save these presets and switch between them. You can even email them to people. We're not sure how useful this is unless you have a friend with the exact same car and a set of these coilovers but it's probably a nice talking point in the pub.As you'd expect, changes made on the phone app are zapped to the coilovers immediately. This means you have instant feedback while tuning your suspension and can instantly select the correct pre-