First post here, and alas I suspect this deal may be too late to be useful. Throwing it out there in case someone can find available dates better than I.
Bookable on malaysiaairlines.com: Sept 22nd DPS-LHR in business class (ZBTOWID) for ~$1430 (A380).
Could not find a return in the same promo sale inventory, looks like it would price out at about $2600 return if I could
. Bali from Europe is generally expensive so would be keen on that in either direction since I'm basing myself here for a few months.
Malaysia Airlines have a one day sale announced for economy fares, I guess this is related. Might be other city pairs on sale.