This is a fully legit Battlefield: Bad Company 2 (BF BC2) DLC Limited Edition Unlock Key Code / Serial! Delivery via email within 12 hours of payment.

To use:

go ingame in bfbc2, in the menu option click 'Redeem Code' and enter your serial to unlock all limited edition weapons.

Note:
These keys are for use with the Bad Company 2 full game.  It allows you to unlock the items included in the limited edition, which are:

The full list of unlockable items is as follows;
Improved Vehicle Armor – An up-armor package is mounted on all vehicle types, decreasing the effect of both explosive and penetrating warheads, significantly improving vehicle survivability.

Supreme Vehicle Firepower – Additional weapon packages are mounted for the driver of all armored vehicles, greatly expanding the range of targets the vehicle can successfully engage and destroy.

Vehicle Motion Sensor – Use this electronics warfare package to locate enemy units in direct proximity to the vehicle.
Tracer Dart Pistol – This magnetic dart attaches to any vehicle surface, allowing squad members to track, lock on, and fire rockets onto moving targets even beyond line of sight.

M1A1 Submachine Gun – Reliable but heavy this classic weapon is a powerful force in the hands of any Battlefield veteran.
M1911 Pistol – Highly customized M1911 are favored for its dependability and the power of its large .45 caliber round.

The key will be shipped to you WITHIN 12 HOURS OF PAYMENT!