Harry Kane has urged Bayern Munich to strengthen their squad before the transfer window closes.The German champions claimed victory in the Super Cup on Saturday.GettyKane has shared his concerns over the size of Bayern’s current squad[/caption]GettyThe England captain helped fire his side to Super Cup glory on Saturday[/caption]Kane was on target alongside Luis Diaz in a 2-1 win over Stuttgart.However, he fears signings are needed ahead of their Bundesliga title defence.Diaz is one of just three new additions to Vincent Kompany’s squad this summer.Bayern have also signed Jonathan Tah and Tom Bischof, but have seen 11 players leave permanently.Thomas Muller and Kingsley Coman are amongst those no longer at the club.As a result, Kompany has been left with just 22 fit first-team players.The Bundesliga transfer window closes on September 1, with just over two weeks remaining for clubs to do business.Kane hopes Bayern can be active before the deadline for new arrivals.What did Harry Kane say?Speaking after the win over Stuttgart, he admitted: “It’s probably one of the smallest squads I’ve ever played in.“There’s still time until the transfer window closes and decisions could be made by Max, Christoph, and the coach.GettyKane has urged Bayern to further strengthen their squad before the window closes[/caption]GettyKompany has seen 11 players leave the club permanently this summer[/caption]“We have some young players who have done very well in pre-season. We’re a bit thin, but that’s not in the players’ control.”His comments come as Bayern chase the signing of Christopher Nkunku from Chelsea.talkSPORT understands the two clubs are in discussions over the Frenchman.The German outfit previously enquired about Nkunku’s availability in January but were put off by Chelsea’s £60million asking price.Bayern begin their league campaign on Friday against RB Leipzig.It is followed by a DFB Pokal trip to Wehen Wiesbaden five days later. Kompany’s side will also compete in the Champions League once again this season.Their league phase schedule gets underway in September following the draw later this month.Kane heads into the new season chasing a third consecutive Bundesliga golden boot.He added a second last season to a maiden league title as Bayern finished 13 points clear at the top of the table.His goal on Saturday was his 86th in 97 appearances since signing from Tottenham in 2023.