Posted by Ed KapsEdward Kaps 
on April 4, 2017, 12:18 pm, in reply to "Re: Mini R56 - Rich Lambda and fuel trim not correcting"
I agree with Andrew
I am sure there was a discussion some time ago about using NGK lambda sensors to correct this type of problem. Your live data is correct-showing slightly rich, gas test of lambda is correct--showing slightly rich, your live data is a computed figure-not Lambda.
