Live racking at BMW

Review Case Study 5.1: Live Racking at B.M.W. found in Chapter 5 of the text.  Assume that you are the warehouse director for B.M.W.  B.M.W. has learned that the 39-second cycle time
described in the case is inadequate for 21st century operations and has asked you to reduce the cycle time down to 30 seconds or less. In 200-300 words, identify a technique described in Chapter 4 or 5 that could potentially be used to reduce cycle time down to 30 seconds or less.