I think this is an online option, as calling an agent would most likely incur the change fee as you stated.

I was trying to upfare from S-class to Q-class on a ticket I had booked within 24 hours of doing it on the LH website, but the agent (US line with Canadian agent) said that she would have to charge the change fee - even with the *same* flight, *same* day - so I told her to cancel the ticket. (Free within 24 hours. She had to check to see if she could do it for free, even though I told her 2 other of her colleagues confirmed that this was possible!)

I then couldn't find an option to book with the precise fare classes I required, so I called back to the US line (apparently Indian agents cannot ticket any longer - only can purchase on the website - ridiculous!) and paid the $20.00 per pax, which saved me the fare difference from the H-class the website wanted to book me in.

Now, on to the other reason for posting in this thread.

I now see that we can put a "bid" for an upgrade from Y to C online when on LH.com - lowest bid is $765 or thereabouts.

I don't think that there is a particular thread for this option (I see for PE upgrades, not for biz), so I thought that it might belong here.

Question: Would your fare basis remain the same if you "bid" for the upgrade (which is equivalent to using miles @USD 0.015/mile) or would you move into a revenue biz fare? I gather we would not.

This upgrading semi-fiasco almost warrants one buying the P-fare for almost the same amount of equivalent value - which was available a week ago, but I had some upgrade instruments available...