Bayern Munich extended its German league lead to seven points as Robert Lewandowski scored for the eighth Bundesliga game in a row to earn a 4-0 win over last-place Schalke. After title rivals Leipzig, Bayer Leverkusen and Borussia Dortmund all lost earlier in the weekend, three assists from Joshua Kimmich took Bayern a step closer toward what would be its record-extending ninth consecutive Bundesliga title.