Mc Laren from the start of the 2007 season has a heavily development programme . Almost in every race Mc Laren introduces new parts . Here is the bargeboard evolution from Australia to Hungary. (See also the Photo comparison between MP/22 - MP4/21)
Do not worry ,I am not going to run out of pictures . Just wanted higher detail pictures for this subject . I will keep posting more tech articles . Of course it is better if you contribute to this cause . After all many are better than one .