Finally done,
fist disconnect the battery i waited 10mins

wile i was waiting i undid the two nuts located at teh front of the seat [13mm socket]

Then pushed the seat forward and pop the two screw covers off and undo the screw to remove the plastic covers



then i pushed the seat backwards holding the seat handle till it was out of the runners, at this point you CAN tilt the seat to disconnect the seat airbags cable


i didn't as i wasn't removing the seats then i pushed the top of the seat down so i could get to the roller

this was the culprit

then i took at T50 [but it looked like a multi spine but the T15 worked for me]

removed it fitted new roller

and reassemble in revers order.
Now people cant complain about my rocking seat
