As titled, here obdii365.com introduces 3 methods to program BMW EWS4 (EWS4.3 & EWS4.4 transponder) using BMW EWS-4.3 & 4.4 IC adapter adapter without soldering. Method 1: Program EWS4 key with AK90+/AK91 & EWS4 adapter  Remove EWS4 immo box Connect … Continue reading 3 Ways to Program BMW EWS4 Key using EWS4 Adapter