The German Bundesliga isn't a tougher when compared to English Premier League and the fact that the league does go to one month break during after the first 17 games seasonally which never happens in the premier league is another factor to prove that it is not as tough as the English Premier League.
So if Harry Kane's proposed deal to Bayern Munich finally works out, Kane wouldn't be going there to prove himself that he's capable of playing outside England because German league is surely less of a burden when compared to leave he's scored 20+ goals in more than six different occasions. Bayern Munich needs a world class striker like Kane to become an European heavyweight once again and Kane needs a big club like Bayern to start winning trophies before the end of his playing career
Drastically difference atmosphere and higher level qualities between Primer League and Bundesliga, there have 18 teams participants in Bundesliga and actually have fewest matches left in one season than Primer League with 20 teams participants. Bundesliga called with farm league because Bayern Munich dominance almost eleven season and drastically gap financial condition with the other Bundesliga participants teams.
Looks not difficult for Harry Kane if agree move to Bayern Munich next season, due high level competitive in Primer League Kane consistent scored above 20 goals on every season and seems he can scoring above 25 goals in Bundesliga with Bayern Munich. But waiting agreement done deal between Spurs and Bayern Munich will both team agree with transfer fees under 100 million euro?