change base on front seats

[bobbobb]

i have the seats out of the car to do some sensors and i have 2 more seats that are worn in diffrent areas my question is as both sets are worn i want to swap the base on them

how does the bases come off the seat?

i have the seats totally out with runners still attatched


cheers bob

[Bimrpwr]

maybe this website can help.
http://www.realoem.com/bmw/