Tempers flared last Friday when women sunbathing topless on the Isar river banks were told off by security guards.
Police in Brandenburg released pictures of the man on their social media accounts and praised him for wearing a helmet.
Europe is bracing itself as parts of the continent are expected to see temperatures soaring above 40 degrees Celsius this week. Meteorologists say this June heatwave will possibly break previous national all-time records in France before Friday.
Temperatures expected to break all-time highs for June in the coming days as a heatwave is about to sweep through the continent. Today Paris is expected to reach 34 degrees Celsius, Frankfurt 35C and Madrid 37C. Tomorrow temperatures are expected to rise even further with 42C in Northern Spain.
As Europe braces for another heatwave with highs expected to reach between 35C and 40C, some might take solace from the fact that these temperatures remain well below the region's record of 48C.
The French capital has announced special measures including extended opening hours for swimming pools and parks to mitigate the potentially deadly effects of the heatwave descending on Europe.
A number of European countries have broken June temperature records and the worst is yet to come.
Meteorologists say that temperatures will heat up this summer in Europe.
On Monday, several parts of the UK saw some of the warmest winter days with a temperature of 20.2 Celsius recorded in west London and 20.3 in west Wales. Met Office meteorologists said Tuesday would also be unusually warm.