When it comes to key programming, BMW cars are less responsive than those of other makers. In most cases, the module that stores the key data should be taken out of the vehicle and worked on. The expert locksmiths in Boston, MA solve this problem by soldering unto the small chip that stores key data. This process is extremely delicate and requires professional skills. Otherwise, you may end up with the damaged BMW car keys module that will cause more problems in the long run.