No idea regarding the cost... (it won't be cheap) But it is possible. People swap SP for non-SP seats and vice versa all the time. The lumbar mechanismi is fully integrated into the seat, so I doubt there would be a problem.
Seats are easy to change...The rail is held down by 4 bolts that's easily accessible and probably shouldn't be more than a couple of hours work DIY. The hardest part would probably be wiggling them out of the door, but ifyou have a coupe it's a piece of cake because coupe doors are so big.chewyb said:I have a 2002 325xi cw,pp,sp and I seem to be having some pains in my lower back from the seat. Is it possible to by the sports seat with lumbar support from the 330 and install it in the 325. If so does anyone know how much this might cost?
Thanks in advance