Originally Posted by
ISTFlyer
I have taken my flights and got 1.00x miles for the transatlantic leg in 'N' and 1.25x miles for the intra-European leg in 'Y'. My miles were credited 48-72 hours after the scheduled departure time of the first flight.
I have flown 6 transcontinental return flights on LH in Y/N class. In every case, the mileage credit was the same as yours. Moreover, in one case, my entire family of three got upgraded to J from N. Lufthansa N class is one of the easiest ways to requalify for E/E+ on TK.