Disclosure: This post may contain affiliate links, meaning when you click the links and make a purchase, we receive a commission. The Audi B7 S4, also referred to as 8E or 8H was the fourth generation S4. The S4 is the high-performance variant of the A4. There weren't too many differences from the B6 to the B7 aside from some mechanical and cosmetic changes such as the … [Read more...] about The 7 Most Common Audi B7 S4 Engine Problems