4 Button car Key fob case Shell Keyless Entry Remote Replacement for BMW 1 2 3 4 5 6 7 Series X3 M2 F Series F10 235ix 320 E90 E92 E93 X5 F10 F20 F30 F40

[PERFERT REPLACEMENT CASE SHELL]This is a shell. Its quality is the same as the original key, even better than the original key. [YOU CAN REPLACE IT BY YOURSELF] Take the internal electronics(include immobilizer/transponder chip) from original remote and place them to our key shell,then you are ready!Also give instructions and screwdrivers, you can do it yourself, very easy and simple.If you still don't understand how to install, please contact us, we will provide video and teach you how to install [COMPATIBILITY] If your key remote looks the same as the pictures show,this flip key shell will fit.This keyless entry remote key fob shell case fits for For BMW 5 Series 7 Series For 2010-2011 BMW 550i GT For 2010-2011 BMW 550i GT xDrive For 2011 BMW X3 For 2011 BMW 535i For 2011 BMW 528i For 2011 BMW 535i GT xDrive etc. And other model with the same specifications of key blank and battery holder listed as below section... [Save your money]We have a screw driver with instructions,Make sure you complete the installation [Attention please] the key shell cannot be closed tightly,It's because of your installation error. Please contact us in this case and we will teach you how to solve it