Features:
This item isn't a remote key and it is just a remote key shell case replacement. Key case and uncut key blade only. Not electronic internals.
Best replacement for a key with broken buttons or worn key case.
There is NO interior (remote/electronics/transponder chip)unit inside.
Just cut the key blade,take the internal electroni(include immobilizer/transponder chip) from original remote and place them to our key shell,then you are ready!

Specifications:
Compatible with: for BMW 1SERIES
                 for BMW 3 SERIES
                 for BMW 5 SERIES
                 for BMW 7 SERIES
                 for BMW E Series
                 for BMW M3
                 for BMW M5
                 for BMW X5
Product size: 6.8 * 3.6 * 1.4cm / 2.7 * 1.4 * 0.6in
Product weight: Approx. 28g / 1.0oz
Package size: 6.8 * 3.6 * 1.4cm / 2.7 * 1.4 * 0.6in
Package weight: Approx. 29g / 1.0oz

Package list:
1 * Key Shell Case