[Biggles1]

hi this subject may already have been asked, i am looking at ordering a new x1 m sport with technology & m sport pro pack. i was also looking at the M Sports Seats upgrade £670.00 where the headrest is Sculpted in one same as you can opped in the x1 m35i. it says lumber support with & backrest width adjustment.

is that electrical controled & on both driver & passenger seats. see other option for the standard seats in the M Sport can be opp to have active seat driver/passenger electrical adjustable lumber support costing £410. What is the difference?

PLEASE HELP