Think yourselves lucky you are in the UK. Those of us at the other end of the earth know all about parts and delays.
My M3W has been off the road since April/May and still no sign of the parts required to rebuild the motor, It broke a camshaft key way and bearing. On dismantling the splines on crankshaft were deemed to be twisted. The latter probably due to an earlier issue with the compensator.
Total on-road time in last 12 months would be less 2 !!
Needless to say GRUMPY is my constant state !!!!!