If you support BDS in Germany, you are NOT antisemitic. You just state your point of view by supporting the BDS.
In 1910 and 1911, Theodor Fritsch was convicted of blasphemy by insulting Judaism and inciting violence against Jews to one week and ten days in prison, respectively.
In 1994, the performance of the “rock comedy” Das Maria Syndrome by Michael Schmidt-Salomon was banned by an administrative order from the city of Trier due to imminent danger.
Formally, the law previously used to combat blasphemy “Beschimpfung von Bekenntnissen, Religionsgesellschaften und Weltanschauungsvereinigungen” (§ 166 of the Criminal Code) is a law that prohibits insulting religious scriptures and beliefs.
But in Islam, there is no direct counterpart to blasphemy in Judaism and Christianity, but insulting Allah or Muhammad has been understood as a sign of apostasy from the religion or heresy, which is expressly forbidden and punishable by death according to many Muslim scholars (for example Khomeini)
You have the exempel with Salman Rushdie, he was sentenced in Iran in 1989 to the death penalty for blasphemy against Islam by writing that Mohammed distanced himself from a part of the Koran, thereby admitting errors in the Koran.