just found that:
American Express
If you're a member of the American Express Membership Reward Programme, you can transfer your membership rewards points into diamond club destinations miles, bringing you free flights and other rewards faster than ever before.
To transfer your points or for more information regarding Membership Rewards, please call
+44 (0) 1273 863 863
Scheme is only available to diamond club members in the UK, France, Germany, Belgium and the Netherlands. diamond club destinations miles cannot be converted into American Express Membership Rewards Points.
at the bmi page.
Does this mean I can transfer my MR Points from my german AMEX to my bmi account?
Markus