After a long search the dealer fond the problem. Fuel pump timing 1-1,5 cm off. Occasional drop in fuel pressure, starting with misfire cilinder 7, others to follow.counter katalysator damage counting on and on. Vibrating engine at multiple rpm.
next week they will drop the engine and find out what the couse is. Jaguar landrover is monitoring the operation, that interesting..... keep you posted if any interest..