F650 CS Lambda/O2 sensor

[dallnerml]

I have been looking for who really makes the O2 sensor for this bike. I called Bosch and they did not have the F650CS in their database. So I went on a hunt and found that NTK makes OEM replacement O2/lambda sensors. This is the lambda sensor division of NGK, the spark plug manufacturer.

Anybody tried this brand. It is about $100 less than what BMW charges.

Thanks,

Mark