Lahm blamed prominent clubs such as Borussia Dortmund, Schalke and Wolfsburg for failing to produce a challenge.
"The financial situation in the league wasn't that different in the years we finished second and fourth," he told stern magazine.
"I don't think Bayern Munich alone is responsible for how good we are doing. If we are 13 points clear after 25 games, it means that other well-positioned clubs like Schalke or Wolfsburg haven't performed consistently well.
"Borussia Dortmund are an unbelievably talented team who could have made the Bundesliga title race a lot closer. Although you have to say the rest of the Bundesliga lacks quality."
http://www.espnfc.com/bayern-munich...munich-not-at-fault-for-bundesliga-domination
