game winning streak in all competitions came to an end Saturday when it drew 0-0 at Hoffenheim while Bundesliga champions Borussia Dortmund crushed promoted Augsburg 4-0 thanks to a hat-trick from Robert Lewandowski. Bayern, which has now kept a clean slate in 11 consecutive games, opened up a three-point lead at the top of the table. Werder Bremen is second on 16. Dortmund bounced back in style from its midweek Champions League defeat by Olympique Marseille to surge to fourth with 13 points. Polish striker Lewandowski scored from close range on the half-hour and added his second after 44 minutes when he pounced on a defensive error by Gibril Sankoh. Dortmund keeper Roman Weidenfeller made a spectacular save from Sankoh's penalty just after the restart before a charging Mario Goetze latched on to a Lewandowski pass and flicked the ball over the visiting keeper for the third. Lewandowski completed the rout with a glancing header in the 78th minute, his fifth league goal of the season. Third-placed Borussia Moenchengladbach, on 16 points, lost ground with a 1-0 defeat at Freiburg. Bayer Leverkusen snatched a 3-1 home win over VfL Wolfsburg with Eren Derdiyok scoring the goal of the day with a bicycle kick in the 65th minute. Hertha Berlin climbed to ninth after ending Cologne's short two-game winning streak with a 3-0 victory.