In 1973 BMW went for a more modern electrical system and installed circuit breakers. These were located on the under dash console piece, and were mounted as a pair.This arrangement worked throughout this period of '73-'80 after which the system was again changed. These breakers have been tested and work perfectly. Sold as a set of 2, in 8A or 15A sizes Shipping at auction end to add $8 to final bid cost for 1-2 sets shipped to USA address and $38 overseas post