Mats Hummels has warned Arsenal that Bayern Munich are still yet to reach their peak - despite being seven points clear at the top of the Bundesliga.
Arsene Wenger's side travel to the Allianz Arena for Wednesday night's Champions League last-16 tie, hoping to reach the quarter-finals for the first time since 2010.
Carlo Ancelotti's side finished second to Atletico Madrid in Group D. But they are unbeaten in 14 matches and stretched their lead over domestic rivals RB Leipzig with victory over Ingolstadt last weekend.
Hummels said he is pleased with how he is performing this season.