Ignition Coils Failure problems of the 2002 Audi Quattro

The contact owns a 2002 Audi a4 Quattro. The ignition coils were originally replaced under recall in 2003 at 9,000 miles. At 60,300 miles the ignition coils failed again while vehicle was sitting at a stop light. The road conditions were not a factor. The engine was louder than normal, and vehicle did not drive normally, also, there was loss of power. The warning indicator light appeared after the failure. The contact drove the vehicle at 10-15 mph. The dealer stated that the ignition coils for cylinders 2, 3 & 6 were faulty , and recommened all ignition coils should be replaced. The current and failure mileage was 60,300.