Wemos esp32-s2 mini i2c mutiplexer - bme280

I wired and soldered the board from scratch. I can see the mutiplexer, I can see the bh1750 light sensor, have a PIR connected to GPIO, it works, except for the bme280.

When I set address: 0x76 the board will not boot. So it seems once it somehow talks to the sensor, something bad happens and the board wont boot until I flash another image via USB where address 0x76 for bme280 is not set.

Another experiment: Set bme280 to bmp280 with address 0x76. It boots then, but says:

[E][bmp280.sensor:131]: BMP280 has wrong chip ID! Is it a BME280?

Yes, obviosly, but how the hell do know it’s the wrong chipID, so there must be some communication going on…