The rumours are '06. They have only just started talking about the rest of the standard range in the UK. There is talk of a 635 and possibly a 630.
2006 is a good estimate, although I do wonder if they'll bother making it.
The same rumours suggest the new V10 will find a home in the M6 too.
<span style='color:blue'>"So my BM makes me a flash bastard? Then I guess you're just keeping it real from the seat of your nova?"</span>
<span style='color:gray'>"...and the home of the brave..... is bravey 130bhp from a 7 litre engine? 100bhp/litre or don't bother building it!"</span>
<span style='color:red'>"Aaahh the UK; where every road is jammed, under construction, poorly maintained and unfairly policed, at least we don't get over-taxed for it........ HA HA HA!"</span>